AISI 4027 Steel Flange

1,We Manufacturing processes are primarily classified into four types: 1:Forging, 2:Casting, 3:Cutting, 4:Rolling. 2,We can manufacture in accordance with these standards. Standards: GB Series (Chinese Standards), JB Series (Machinery Standards), HG Series (Chemical Industry Standards), ASME B16.5 (American Standards), BS4504 (British Standards), DIN (German Standards), and JIS (Japanese Standards). Internationally, there are two primary systems of pipe flange standards: the European system, represented by the German DIN standards (including those of the former Soviet Union), and the American system, represented by the US ANSI pipe flange standards. Other common standards include: the Chinese Ministry of Machinery Industry standards (JB series), the Ministry of Chemical Industry standards (HG series), the Chinese National Standard *GB/T 9112–9124-2010 Steel Pipe Flanges*, as well as US standards (ASME B16.5), British standards (BS4504), German standards (DIN), Japanese standards (JIS), and marine standards (CBM), among others. The nominal pressure ratings for the PN series are designated by "PN" and comprise the following nine levels: PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, and PN160. The nominal pressure ratings for the Class series are designated by "Class" and comprise the following six levels: Class150, Class300, Class600, Class900, Class1500, and Class2500. Flange Classification 1. **According to Chemical Industry Standards:** Flanges are classified as follows: Plate Flat Welding Flange (PL), Necked Flat Welding Flange (SO), Necked Butt Welding Flange (WN), Integral Flange (IF), Socket Welding Flange (SW), Threaded Flange (Th), Butt Welding Ring Loose Flange (PJ/SE), Blind Flange (BL), Flat Welding Ring Loose Flange (PJ/PJ), and Lined Blind Flange (BL(s)). 2. **According to Petrochemical (SH) Industry Standards:** Flanges are classified as follows: Threaded Flange (PL), Butt Welding Flange (WN), Flat Welding Flange (SO), Socket Welding Flange (SW), Loose Flange (LJ), and Blind Flange (no specific designation). 3. **According to Machinery (JB) Industry Standards:** Flanges are classified as follows: Integral Flange, Butt Welding Flange, Plate Flat Welding Flange, Butt Welding Ring Plate Loose Flange, Flat Welding Ring Plate Loose Flange, Lap Joint Ring Plate Loose Flange, and Blind Flange. 4. **According to Connection Method/Type:** Flanges are classified as follows: Plate Flat Welding Flange, Necked Flat Welding Flange, Necked Butt Welding Flange, Socket Welding Flange, Threaded Flange, Blind Flange, Necked Butt Welding Ring Loose Flange, Flat Welding Ring Loose Flange, Ring-Type Joint (RTJ) Flange and Blind Flange, Large-Diameter Plate Flange, Large-Diameter High-Neck Flange, Figure-8 Blind Plate, Butt Welding Ring Loose Flange, etc. 5. **According to the Component Being Connected:** Flanges can be classified into Vessel Flanges and Pipe Flanges. 6. **According to Structural Type:** Flanges include Integral Flanges, Threaded Flanges, Flat Welding Flanges, Butt Welding Flanges, Lap Joint (Loose/Swivel) Flanges, and Blind Flanges. A flange—also referred to as a flange plate or rim—is a component used to connect shafts to one another, or, more commonly, to join the ends of pipes. Flanges are also utilized at the inlet and outlet ports of equipment to facilitate connections between two devices—for instance, the flange on a speed reducer. A "flange connection" or "flanged joint" refers to a detachable joint assembly comprising three interconnected elements—a flange, a gasket, and bolts—that together form a sealed structural unit. In the context of piping systems, a "pipe flange" specifically denotes a flange used for plumbing within the installation; when applied to equipment, it refers to the inlet or outlet flange of that specific device. Flanges feature a series of holes through which bolts are inserted to securely fasten the two flanges together, while a gasket placed between the flanges ensures a leak-proof seal. Flanges are broadly categorized into three types: threaded (screw-in) flanges, welded flanges, and clamp-type flanges. Flanges are invariably used in pairs; threaded flanges are suitable for low-pressure piping applications, whereas welded flanges are required for systems operating at pressures exceeding 4 kilograms per square centimeter. A sealing gasket is inserted between the two flange plates, which are then firmly secured using bolts. The thickness of a flange—as well as the specifications of the bolts used to fasten it—vary depending on the specific pressure rating required for the application. When connecting equipment such as water pumps or valves to piping systems, the corresponding connection points on these devices are often manufactured in the shape of a matching flange; this method of attachment is also referred to as a "flange connection." Generally, any connecting component that utilizes bolts to join and seal the perimeters of two flat surfaces—such as the joints in ventilation ducts—is termed a "flange"; such components may collectively be classified as "flange-type parts." However, since such a connection often constitutes merely a *portion* of a larger device—for instance, the interface between a flange and a water pump—it would be inappropriate to classify the entire water pump itself as a "flange-type part." Conversely, smaller components—such as valves—that feature such flanged interfaces may indeed be appropriately categorized as "flange-type parts." -:- For detailed product information, please contact sales. -: AISI 4027 Steel Flange Product Information -:- For detailed product information, please contact sales. -: AISI 4027 Steel Flange Synonyms -:- For detailed product information, please contact sales. -:

AISI 4027 Steel Product Information -:- For detailed product information, please contact sales. -: # **Product Introduction: AISI 4027 Steel** ## **Executive Summary** **AISI 4027** is a versatile, low-carbon molybdenum alloy steel designed for **medium-duty case-hardening applications** where enhanced core strength and improved hardenability are required compared to lower-carbon grades like 4012 or 4023. With a carbon content of approximately 0.25%, it offers a balanced combination of core properties and excellent response to surface hardening processes. The **0.20-0.30% molybdenum** addition provides superior hardenability, grain refinement, and resistance to tempering compared to plain carbon steels. AISI 4027 is particularly valued for components requiring a durable, wear-resistant surface supported by a moderately strong and tough core, making it suitable for automotive, industrial machinery, and agricultural equipment applications where both performance and cost-effectiveness are important considerations. --- ## **1. Chemical Composition** ### **Standard Composition Ranges** | Element | Content Range (% by weight) - **AISI 4027** | Primary Function | | :--- | :--- | :--- | | **Carbon (C)** | 0.25 - 0.30 | Provides moderate to high core strength; optimized for effective case absorption while maintaining good core properties | | **Molybdenum (Mo)** | 0.20 - 0.30 | Primary alloying element; significantly improves hardenability, refines grain structure, enhances temper resistance, reduces susceptibility to temper embrittlement | | **Manganese (Mn)** | 0.70 - 0.90 | Deoxidizer, improves hardenability, enhances machinability and response to carburizing | | **Silicon (Si)** | 0.15 - 0.35 | Deoxidizer, strengthens ferrite matrix, improves hardenability | | **Phosphorus (P)** | 0.035 max | Impurity (controlled for ductility and toughness) | | **Sulfur (S)** | 0.040 max | Impurity (typically kept low; may be controlled to 0.08-0.15% for improved machinability in special variants) | | **Nickel (Ni)** | - | Not specified; trace amounts may be present | | **Chromium (Cr)** | - | Not specified; trace amounts may be present | | **Iron (Fe)** | Balance | Matrix element | ### **Key Metallurgical Features** - **Core Strength:** Higher carbon content (0.25-0.30%) provides increased core strength compared to 4023 (0.20-0.25% C) - **Hardenability Enhancement:** Molybdenum addition significantly improves through-hardening capability, allowing effective case depths in larger sections - **Grain Refinement:** Molybdenum inhibits austenite grain growth during high-temperature carburizing cycles - **Temper Resistance:** Improved resistance to softening during tempering operations - **Versatility:** Can be used for both case hardening and through-hardening applications - **Economic Advantage:** Provides performance benefits over plain carbon steels without the cost of nickel or chromium additions --- ## **2. Physical & Mechanical Properties** ### **A. Fundamental Physical Properties** | Property | Condition | Value/Range | Notes | | :--- | :--- | :--- | :--- | | **Density** | All conditions | 7.85 g/cm³ (0.284 lb/in³) | - | | **Melting Point** | - | ~1510°C (2750°F) | - | | **Elastic Modulus** | Annealed/Tempered | 200-205 GPa (29,000-29,700 ksi) | - | | **Shear Modulus** | - | 80-82 GPa (11,600-11,900 ksi) | - | | **Poisson's Ratio** | - | 0.29 | - | | **Thermal Conductivity** | 100°C | 44.0 W/m·K | - | | **Specific Heat Capacity** | 20°C | 475 J/kg·K | - | | **Thermal Expansion Coefficient** | 20-100°C | 11.9 × 10⁻⁶/°C | - | | **Electrical Resistivity** | 20°C | 0.22 μΩ·m | - | | **Magnetic Properties** | Below Curie temp | Ferromagnetic | - | ### **B. Mechanical Properties (Core - Before Case Hardening)** #### **1. Annealed Condition (Typical Machining State)** - **Hardness:** 163-207 HB (Brinell) - **Tensile Strength:** 550-690 MPa (80-100 ksi) - **Yield Strength (0.2% offset):** 380-550 MPa (55-80 ksi) - **Elongation:** 22-28% in 50mm - **Reduction of Area:** 55-65% - **Charpy V-Notch Impact:** 70-100 J (52-74 ft-lb) at room temperature - **Machinability Rating:** 60-65% of B1112 (Fair to Good) #### **2. Normalized Condition (Improved Consistency)** - **Hardness:** 179-229 HB - **Tensile Strength:** 620-790 MPa (90-115 ksi) - **Yield Strength:** 450-620 MPa (65-90 ksi) - **Elongation:** 20-25% - **Typical Application:** Preferred condition for machining complex parts requiring dimensional stability #### **3. Core Properties After Case Hardening & Tempering** *Typical heat treatment: Carburize to 0.8-1.5 mm case, quench, temper at 150-200°C* | Property | Typical Value Range | Notes | | :--- | :--- | :--- | | **Core Hardness** | 30-40 HRC | Stronger core than lower-carbon case-hardening steels | | **Core Tensile Strength** | 860-1030 MPa (125-150 ksi) | - | | **Core Yield Strength** | 690-860 MPa (100-125 ksi) | - | | **Core Elongation** | 12-18% | Good ductility for a medium-carbon steel | | **Case Hardness** | 58-63 HRC | After carburizing and quenching | | **Effective Case Depth** | 0.8-1.5 mm (0.030-0.060") | Can achieve deeper cases than lower-carbon grades | | **Surface Carbon Content** | 0.75-0.90% | Optimized for maximum wear resistance | | **Charpy V-Notch Impact (Core)** | 40-70 J (30-52 ft-lb) | Good impact resistance for case-hardened components | | **Bending Fatigue Strength** | 450-550 MPa (65-80 ksi) | At 10⁷ cycles with carburized case | #### **4. Through-Hardened Properties (Alternative Application)** *When used for direct quenching and tempering without carburizing* - **Hardness (as-quenched):** 45-50 HRC (oil quenched) - **Tensile Strength (Q&T @ 540°C):** 1030-1240 MPa (150-180 ksi) - **Yield Strength:** 860-1030 MPa (125-150 ksi) - **Applications:** Components requiring moderate strength without case hardening ### **C. Special Properties** - **Hardenability:** Good to very good; suitable for sections up to 50-75mm (2-3") diameter - **Fatigue Performance:** Excellent bending fatigue resistance with carburized case - **Wear Resistance:** Superior surface wear characteristics when case hardened - **Impact Resistance:** Good core toughness for shock loading applications - **Distortion Control:** Molybdenum helps minimize distortion during heat treatment - **Temperature Resistance:** Good resistance to tempering up to 400°C (750°F) --- ## **3. International Standards & Specifications** ### **Primary Governing Standards** | Standard/Organization | Designation | Title/Scope | | :--- | :--- | :--- | | **AISI/SAE** | 4027 | Standard grade designation | | **UNS** | G40270 | Unified Numbering System | | **ASTM** | A534 | Standard Specification for Carburizing Steels | | **ASTM** | A29/A29M | Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought | | **SAE** | J404, J412 | Chemical compositions and hardenability | | **AMS** | - | Not commonly specified for aerospace (industrial focus) | ### **International Equivalents & Cross-References** | Country/Region | Equivalent Designation | Standard | Notes | | :--- | :--- | :--- | :--- | | **ISO** | **28MnMo6** | ISO 683-11 | Similar medium-carbon molybdenum steel | | **European** | **28MnMo6** | EN 10083-3 | Similar composition and application | | **Germany** | **28MnMo6** | DIN 17210 | Direct equivalent in properties and application | | **United Kingdom** | **- (See Note)** | BS 970 | No direct equivalent; similar to En 110/111 | | **Japan** | **- (See Note)** | JIS G4102 | No common direct equivalent | | **China** | **30Mo** | GB/T 3077 | Similar medium-carbon molybdenum steel | | **India** | **30Mo40** | IS 5517 | Similar molybdenum steel | | **Hardenability Variant** | **4027H** | SAE J1268 | Available with guaranteed hardenability bands | **Note:** While not exact compositional matches, several international grades share similar characteristics and applications with AISI 4027. The German 28MnMo6 is particularly close in both composition and intended use. --- ## **4. Product Applications & Industries** ### **Available Product Forms** - **Bar Stock:** Hot-rolled rounds (10-200mm), squares, hexagons, flats - **Forgings:** Open-die and closed-die forgings for heavy components - **Wire Rod:** For cold heading of high-strength fasteners - **Cold-Finished Bars:** Turned, ground, polished for precision parts - **Billets:** For further processing into specialized components ### **Primary Industry Applications** #### **1. Automotive & Transportation (Medium to Heavy Duty)** - **Transmission Components:** Gears, pinions, synchronizer hubs, shift forks - **Drivetrain Parts:** Differential gears, axle shafts, drive shafts - **Engine Components:** Crankshafts (medium duty), camshafts, connecting rods - **Steering & Suspension:** Steering arms, pitman arms, king pins, torsion bars - **Heavy Truck Components:** Transmission and axle parts requiring durability #### **2. Agricultural Equipment** - **Tractor Components:** Transmission gears, PTO shafts, final drive components - **Harvesting Equipment:** Combine gearbox gears, drive chains, cutter bars - **Implement Parts:** Heavy-duty gearboxes, drive shafts, pivot assemblies - **Tillage Equipment:** Plow beams, cultivator frames requiring strength and wear resistance #### **3. Industrial Machinery & Equipment** - **Gear Manufacturing:** Medium to heavy-duty industrial gears for power transmission - **Power Transmission:** Sprockets, chain wheels, coupling hubs, drive shafts - **Material Handling:** Conveyor drive components, hoisting equipment gears - **Construction Equipment:** Excavator and loader components, track rollers, idlers - **Mining Equipment:** Crusher parts, conveyor components, hoist gears #### **4. General Manufacturing** - **Shafts & Axles:** Medium-duty applications requiring strength and wear resistance - **Fasteners:** High-strength bolts, studs, and special fasteners (Grade 8.8 equivalent) - **Tooling:** Dies, molds, jigs requiring wear surfaces with good core properties - **Hydraulic Components:** Cylinder rods, piston rods, valve components - **Machine Tools:** Feed screws, lead screws, spindle components --- ## **5. Heat Treatment Technology** ### **Primary Case Hardening Processes** #### **1. Carburizing (Standard Process)** - **Temperature:** 900-930°C (1650-1705°F) - **Atmosphere:** Endothermic gas with natural gas or propane enrichment - **Case Depth:** Typically 0.8-1.5 mm (0.030-0.060") - **Surface Carbon:** 0.75-0.90% - **Quenching:** Oil quench from carburizing temperature or reheat to 800-830°C - **Tempering:** 150-200°C (300-390°F) for 1-2 hours #### **2. Carbonitriding (For Enhanced Properties)** - **Temperature:** 815-870°C (1500-1600°F) - **Atmosphere:** Endothermic gas with ammonia addition (5-12%) - **Case Depth:** 0.3-0.8 mm (0.012-0.030") - **Advantages:** Improved wear resistance, better dimensional control, faster processing #### **3. Induction Hardening (Selective Hardening)** - **Applications:** For specific areas requiring hardness - **Process:** Localized heating followed by quenching - **Benefits:** Minimal distortion, energy efficient, precise control ### **Through-Hardening Alternative** - **Austenitizing:** 830-850°C (1525-1560°F) - **Quenching:** Oil quench - **Tempering:** 540-650°C (1000-1200°F) for desired hardness - **Resulting Properties:** 25-35 HRC with good toughness ### **Typical Heat Treatment Cycle** 1. **Pre-Cleaning:** Remove machining oils and contaminants 2. **Preheating:** 650-700°C (1200-1290°F) for large or complex sections 3. **Carburizing:** At temperature for required time (6-10 hours for 1.2mm case) 4. **Diffusion:** Optional step to optimize carbon gradient 5. **Quenching:** Oil quench with moderate to vigorous agitation 6. **Tempering:** 150-200°C for stress relief and toughness improvement 7. **Finishing:** Grinding, shot peening, or other surface treatments ### **Special Considerations** - **Grain Growth Control:** Molybdenum helps but excessive time at high temperature should be avoided - **Distortion Management:** Moderate distortion expected; fixturing or press quenching may be necessary - **Core Properties:** Higher carbon content requires careful tempering to achieve optimal toughness --- ## **6. Manufacturing & Fabrication Characteristics** ### **Machinability Assessment** - **Annealed Condition:** **60-65% of B1112** – Rated as **Fair to Good** - **Normalized Condition:** **55-60% of B1112** – Slightly more difficult to machine - **Hardened Condition:** Not machinable by conventional methods - **Recommended Practices:** - **Turning:** 70-100 m/min (230-330 SFM) with carbide inserts - **Drilling:** 18-28 m/min (60-90 SFM) with HSS drills - **Milling:** 65-95 m/min (215-310 SFM) with carbide cutters - **Threading/Tapping:** Use sharp tools and adequate lubrication - **Gear Cutting:** Suitable for hobbing and shaping operations ### **Weldability Characteristics** **Rating: FAIR (requires precautions)** #### **Welding Recommendations** 1. **Preheat:** 150-250°C (300-480°F) depending on section thickness 2. **Interpass Temperature:** 150-200°C (300-390°F) 3. **Post-Weld Heat Treatment:** Stress relief at 590-650°C (1100-1200°F) recommended 4. **Filler Metals:** Low-hydrogen electrodes (E7018, E8018) or equivalent wire 5. **Processes:** GTAW or SMAW with low-hydrogen electrodes preferred 6. **Note:** Welding after case hardening is not recommended; weld in annealed condition only ### **Formability & Hot Working** - **Hot Working Temperature:** 1150-900°C (2100-1650°F) - **Forging:** Good forgeability with proper temperature control - **Cold Formability:** Limited in annealed condition; simple bends possible - **Springback:** Moderate; compensation in tool design may be required ### **Special Fabrication Considerations** - **Machining After Heat Treatment:** Requires grinding or hard machining techniques - **Surface Integrity:** Important to maintain for fatigue-critical applications - **Residual Stresses:** Should be managed through proper heat treatment sequences --- ## **7. Quality Assurance & Testing** ### **Standard Certification** - **Mill Test Certificate:** Includes heat chemistry, mechanical properties, and dimensional data - **Chemical Analysis:** Spectrographic analysis confirming key elements within specification - **Hardness Testing:** Brinell or Rockwell testing of supplied material - **Microstructural Examination:** When specified for critical applications ### **Finished Part Testing** - **Case Depth Verification:** Microhardness traverse (depth to 550 HV) or metallographic examination - **Surface Hardness:** Rockwell C scale testing - **Core Hardness:** Rockwell testing of sectioned parts - **Non-Destructive Testing:** Magnetic particle or dye penetrant for surface defects - **Dimensional Inspection:** Critical after heat treatment due to potential distortion ### **Special Testing for Critical Applications** - **Fatigue Testing:** For dynamically loaded components - **Impact Testing:** For components subject to shock loading - **Microstructure Analysis:** Evaluation of case and core structures - **Residual Stress Measurement:** For fatigue-critical applications --- ## **8. Design & Engineering Guidelines** ### **Advantages of AISI 4027** 1. **Enhanced Core Strength:** Higher carbon content provides stronger core than 4023 2. **Good Hardenability:** Molybdenum allows deeper case depths and through-hardening of larger sections 3. **Versatility:** Suitable for both case hardening and through-hardening applications 4. **Cost-Effectiveness:** More economical than nickel-chromium alloyed steels 5. **Reliable Performance:** Consistent response to heat treatment processes ### **Design Considerations** - **Case Depth:** Typically 0.8-1.5mm; should not exceed 25% of section thickness - **Loading Conditions:** Suitable for medium to heavy-duty applications with bending and contact stresses - **Core Support:** Strong core provides excellent support for hard case - **Alternative Materials:** For maximum toughness or very large sections, consider higher alloy grades ### **Economic Considerations** - **Material Cost:** Moderate; more than plain carbon steels but less than nickel-alloyed grades - **Processing Cost:** Standard carburizing processes apply - **Machining Cost:** Higher than lower-carbon steels due to increased hardness - **Life Cycle Cost:** Excellent value for performance requirements in medium-duty applications --- ## **9. Comparative Analysis: Molybdenum Case-Hardening Steels** | Grade | C% | Mo% | Core Strength | Hardenability | Typical Case Depth | Best Applications | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | **4023** | 0.20-0.25 | 0.20-0.30 | Medium | Good | 0.5-1.2 mm | Light to medium duty gears, shafts | | **4027** | 0.25-0.30 | 0.20-0.30 | **Medium-High** | **Very Good** | **0.8-1.5 mm** | **Medium to heavy duty components** | | **4037** | 0.35-0.40 | 0.20-0.30 | High | Excellent | Through-hardening focus | High strength shafts, bolts | | **4047** | 0.45-0.50 | 0.20-0.30 | Very High | Outstanding | Through-hardening only | Springs, high strength tools | | **4118** | 0.18-0.23 | 0.08-0.15 | Medium | Very Good | 0.6-1.3 mm | Automotive gears with chromium | --- ## **10. Technical Summary & Selection Guidelines** ### **Optimal Applications for AISI 4027** 1. **Automotive Components:** Medium-duty transmission gears, differential parts, steering components 2. **Agricultural Equipment:** Tractor transmission gears, implement drive shafts 3. **Industrial Gears:** Medium-duty power transmission gears, sprockets, couplings 4. **Shafts & Axles:** Applications requiring both strength and wear resistance 5. **Fasteners:** High-strength bolts and studs (Grade 8.8 equivalent) ### **Selection Criteria** **Choose AISI 4027 when:** - Component requires case hardening with medium to high core strength - Deeper case depths (0.8-1.5mm) are needed - Component size is moderate to large (up to 75mm section) - Good balance of cost and performance is required - Applications involve significant bending and contact stresses **Consider Higher-Grade Alternatives when:** - Maximum toughness is critical (choose nickel-alloyed grades like 8620) - Extremely deep case depths (>1.5mm) are required - Section sizes exceed 100mm diameter - Application involves extreme shock or impact loading - Superior fatigue performance is mandatory ### **Processing Recommendations** 1. **Machining:** Perform in annealed or normalized condition for best results 2. **Heat Treatment:** Carburize at 900-930°C, oil quench, temper at 150-200°C 3. **Quality Control:** Verify case depth, hardness, and microstructure for critical applications 4. **Finishing:** Grind critical surfaces after heat treatment for dimensional accuracy --- ## **Market Position & Future Trends** ### **Current Market Position** - **Primary Markets:** North American automotive, agricultural, and industrial equipment - **Volume Usage:** Medium in specific component applications - **Competitive Position:** Between standard 4023 and higher-alloy grades - **Supply Chain:** Available from major steel producers with molybdenum capabilities ### **Future Developments** 1. **Microalloying:** Potential additions of vanadium or niobium for grain refinement 2. **Clean Steel Technology:** Improved inclusion control for better fatigue performance 3. **Precision Heat Treatment:** Advanced atmosphere control for optimal case properties 4. **Sustainability:** Development of more efficient carburizing processes 5. **Digital Integration:** Real-time monitoring of heat treatment parameters --- **AISI 4027** represents an optimized balance between core strength, hardenability, and cost-effectiveness for medium to heavy-duty case-hardening applications. Its higher carbon content compared to 4023, combined with molybdenum's beneficial effects, makes it suitable for components requiring deeper case depths and stronger core support. The steel's versatility allows it to serve in both case-hardened and through-hardened conditions, providing design flexibility across various applications. For engineers and manufacturers, AISI 4027 offers a reliable, cost-effective solution for components that must withstand significant mechanical stresses while maintaining excellent wear resistance at the surface. Its predictable response to heat treatment and good manufacturing characteristics make it a preferred choice for automotive, agricultural, and industrial components where performance, reliability, and cost must be carefully balanced. -:- For detailed product information, please contact sales. -: AISI 4027 Steel Specification Dimensions Size： Diameter 20-1000 mm Length <4017 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: AISI 4027 Steel Properties -:- For detailed product information, please contact sales. -:

Applications of AISI 4027 Steel Flange -:- For detailed product information, please contact sales. -: Chemical Identifiers AISI 4027 Steel Flange -:- For detailed product information, please contact sales. -:

Packing of AISI 4027 Steel Flange -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and Steel Flange drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 488 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition