EN 1.0114 High Manganese, Quality 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. -: EN 1.0114 High Manganese, Structural, Hot Rolled, Quality Steel Flange Product Information -:- For detailed product information, please contact sales. -: EN 1.0114 High Manganese, Structural, Hot Rolled, Quality Steel Flange Synonyms -:- For detailed product information, please contact sales. -:

EN 1.0114 High Manganese, Structural, Hot Rolled, Quality Steel Product Information -:- For detailed product information, please contact sales. -: # **Technical Datasheet: EN 1.0114 High Manganese Structural Steel** **Designation: S235JRG2 (Under EN 10025-2) | Condition: Hot Rolled, Base Material** ## **1. PRODUCT OVERVIEW** **EN 1.0114**, commercially designated **S235JRG2**, is a **high manganese, non-alloy structural steel** specifically engineered for applications requiring **guaranteed impact toughness at ambient temperature**. The designation "JR" indicates it is a general-purpose structural steel, while "G2" signifies specific delivery conditions including **mandatory impact testing at +20°C** with a minimum requirement of 27 Joules. This grade represents an enhanced quality level within the S235 family, providing verified room-temperature toughness for structural applications where dynamic loading or safety considerations are paramount. As a hot-rolled product, EN 1.0114 combines the **economic advantages of carbon-manganese steel** with **improved quality controls** over basic S235JR grades. Its optimized manganese content (typically 1.00-1.40%) provides enhanced strength and toughness compared to lower-manganese structural steels, while maintaining excellent weldability and formability. This steel is produced through controlled rolling practices and is supplied with full certification including impact test results, making it suitable for quality-conscious construction projects. **Key Characteristics:** - **Certified Ambient Temperature Toughness:** Guaranteed minimum 27J impact energy at +20°C - **Enhanced Manganese Content:** Improved strength and ductility through optimized Mn:C ratio - **Quality Assured Supply:** Produced under strict quality controls with mandatory testing - **Excellent Fabricability:** Superior weldability and cold forming characteristics - **Cost-Effective Reliability:** Provides verified properties with minimal cost premium --- ## **2. CHEMICAL COMPOSITION** **Compliance:** EN 10025-2:2019 - Hot rolled products of structural steels *Product analysis limits for thickness ≤ 100 mm* | Element | Maximum (%) | Typical Range (%) | Metallurgical Function & Control | |---------|------------|------------------|----------------------------------| | **Carbon (C)** | **0.17** | 0.12-0.15 | Primary strength element; controlled for weldability | | **Manganese (Mn)** | **1.40** | 1.10-1.35 | **Key strengthening element**; enhances toughness and hot workability | | **Phosphorus (P)** | **0.035** | ≤0.025 | Harmful impurity; strictly limited to prevent embrittlement | | **Sulfur (S)** | **0.035** | ≤0.020 | Controlled for improved hot workability and weldability | | **Silicon (Si)** | **0.55** | 0.25-0.40 | Deoxidizer; contributes to strength and oxidation resistance | | **Nitrogen (N)** | **0.012** | ≤0.009 | Controlled to prevent aging effects | | **Aluminum, total (Alt)** | — | **≥0.020** (min) | Grain refiner; ensures fine-grained structure | | **Copper (Cu)** *optional* | 0.55 | ≤0.30 | May be added for weathering resistance in outdoor applications | | **Chromium (Cr)** | 0.30 | ≤0.15 | Residual element; limited for weldability | | **Nickel (Ni)** | 0.30 | ≤0.15 | Residual element; limited for cost control | | **Iron (Fe)** | Balance | Balance | Base metal | **Critical Chemical Parameters:** - **Carbon Equivalent (CEV):** 0.33-0.38% (CEV = C + Mn/6) - **Cracking Parameter (Pcm):** 0.18-0.22% - **Manganese-to-Carbon Ratio:** Typically 8:1 to 10:1, optimizing toughness - **Deoxidation Practice:** Fully aluminum-killed, fine-grained steel - **Quality Control:** Stricter residual element control than basic S235JR --- ## **3. PHYSICAL & MECHANICAL PROPERTIES** ### **A. Physical Properties (Typical at 20°C):** - **Density:** 7.85 g/cm³ - **Modulus of Elasticity (E):** 210 GPa - **Shear Modulus (G):** 81 GPa - **Poisson's Ratio (ν):** 0.30 - **Coefficient of Thermal Expansion:** 12.0 × 10⁻⁶/K (20-100°C) - **Thermal Conductivity:** 51 W/(m·K) - **Specific Heat Capacity:** 450 J/(kg·K) - **Electrical Resistivity:** 0.15 μΩ·m - **Magnetic Properties:** Ferromagnetic ### **B. Standard Mechanical Properties (EN 10025-2):** *Minimum values for nominal thickness t ≤ 16 mm* | Property | Symbol | Minimum Value | Test Standard | Notes | |----------|--------|---------------|---------------|-------| | **Yield Strength** | ReH | **235 MPa** | EN ISO 6892-1 | Upper yield strength or Rp0.2 | | **Tensile Strength** | Rm | **360-510 MPa** | EN ISO 6892-1 | Must fall within specified range | | **Minimum Elongation** | A₅ | **26%** | EN ISO 6892-1 | For t ≤ 40 mm; Lo=5.65√So | | **Impact Energy** | KV | **27 J at +20°C** | EN ISO 148-1 | Charpy V-notch, longitudinal | ### **C. Thickness-Dependent Property Adjustments:** | Thickness Range (mm) | Yield Strength Min (MPa) | Tensile Strength Range (MPa) | Impact Test Requirement | |----------------------|--------------------------|------------------------------|--------------------------| | **t ≤ 16** | 235 | 360-510 | +20°C, 27J min | | **16 < t ≤ 40** | 225 | 360-510 | +20°C, 27J min | | **40 < t ≤ 63** | 215 | 350-500 | +20°C, 27J min | | **63 < t ≤ 80** | 215 | 350-500 | +20°C, 27J min | | **80 < t ≤ 100** | 215 | 340-490 | +20°C, 27J min | ### **D. Typical Achieved Properties (t = 10-20 mm):** | Property | Typical Range | Average | Performance Significance | |----------|---------------|---------|--------------------------| | **Yield Strength** | 250-310 MPa | 280 MPa | 10-20% above minimum requirement | | **Tensile Strength** | 380-450 MPa | 415 MPa | Well within specified range | | **Elongation (A₅)** | 28-35% | 32% | Excellent formability indicator | | **Impact Energy (+20°C)** | 40-90 J | 65 J | Substantial toughness margin | | **Hardness (HB)** | 120-140 | 130 | Suitable for most fabrication | | **Bend Test Performance** | 180° with d=2a | Pass | Good cold forming capability | | **Fatigue Strength** | 170-200 MPa | 185 MPa | At 2×10⁶ cycles (as-rolled) | ### **E. Special Properties for Quality Applications:** - **Through-Thickness Consistency:** Minimal property variation through section - **Notch Toughness:** Good resistance to crack initiation at stress concentrators - **Weld HAZ Properties:** Good toughness retention with proper procedures - **Surface Quality:** Improved over basic grades with better scale control --- ## **4. FABRICATION & PROCESSING** ### **A. Forming & Cutting Operations:** - **Cold Bending:** Minimum inside radius = **1.0 × t** (parallel to rolling), **1.5 × t** (perpendicular) - **Hot Forming:** Can be heated to 850-1100°C if required for severe forming - **Cutting Methods:** - **Plasma/Laser:** Excellent results with proper parameters - **Oxy-fuel:** Standard method with good edge quality - **Waterjet:** Ideal for complex shapes without thermal effects - **Mechanical:** Band saws and shearing suitable - **Punching & Blanking:** Clean edges with proper tool clearance (10-15% of thickness) ### **B. Welding Procedures:** **General Guidelines:** - **Preheating:** Generally not required for t < 25 mm at ambient >5°C - **Interpass Temperature:** Maximum 250°C - **Heat Input:** 0.8-2.5 kJ/mm optimal for most applications - **Post-Weld Treatment:** Stress relief at 580-620°C if required for highly restrained joints **Recommended Welding Consumables:** | Process | Consumable (EN ISO) | AWS Equivalent | Application Notes | |---------|---------------------|----------------|-------------------| | **SMAW** | E 38 0 R C 12 | E7018 | Basic coated for general fabrication | | **GMAW** | G 42 4 M G3Si1 | ER70S-6 | Most common for structural work | | **FCAW** | T 42 2 P C 1 H5 | E71T-1 | Good for outdoor applications | | **SAW** | S 42 2 + basic flux | F7A2-EM12K | For thicker sections and long seams | **Welding Quality Requirements:** - **Procedure Qualification:** Recommended for critical applications - **Consumable Selection:** Match or slightly overmatch base metal strength - **Weld Preparation:** Proper edge preparation for full penetration welds - **Inspection:** Visual and NDT as required by design specifications ### **C. Machining Parameters:** - **Turning:** 100-160 m/min, feed 0.2-0.4 mm/rev - **Milling:** 80-130 m/min, feed 0.15-0.3 mm/tooth - **Drilling:** 25-45 m/min with peck cycles for deep holes - **Tapping:** Standard pitch threads with proper lubrication - **Surface Finish:** Ra 3.2-6.3 μm achievable with proper techniques --- ## **5. TYPICAL APPLICATIONS** ### **A. Building & Construction:** - **Commercial Buildings:** Primary and secondary structural frames - **Industrial Facilities:** Factory buildings, warehouses, logistics centers - **Public Buildings:** Schools, hospitals, sports facilities - **Residential Construction:** Multi-story apartment buildings, parking structures ### **B. Infrastructure Projects:** - **Bridge Construction:** Secondary members, deck supports, approach structures - **Transportation:** Railway station structures, bus terminals, airport facilities - **Utilities:** Power substation structures, transmission towers, pump houses - **Water Management:** Treatment plant structures, reservoir covers, pipe bridges ### **C. Industrial Equipment & Machinery:** - **Material Handling:** Conveyor structures, crane runways, hoist supports - **Processing Plants:** Platform structures, walkways, equipment supports - **Manufacturing:** Machine bases, production line structures, safety guards - **Agricultural:** Equipment frames, storage structures, processing facilities ### **D. Specialized Structural Applications:** - **Temporary Structures:** Heavy-duty scaffolding, formwork, falsework - **Event Structures:** Exhibition halls, concert stages, temporary shelters - **Urban Infrastructure:** Footbridges, signage structures, public furniture - **Renewable Energy:** Solar panel supports, small wind turbine towers **Quality Application Focus Areas:** - **Safety-Critical Structures:** Where failure consequences are severe - **Dynamically Loaded Structures:** Subject to impact or vibration - **Public Access Structures:** With high human occupancy - **Quality-Conscious Projects:** Where certified material properties are specified --- ## **6. INTERNATIONAL STANDARDS & EQUIVALENTS** ### **Primary Designations:** - **EN Standard:** EN 10025-2:2019 - **Material Number:** 1.0114 - **Steel Name:** S235JRG2 - **Former Designation:** Fe 360-2 (EN 10025:1990) ### **Global Structural Steel Equivalents:** | Country/Standard | Equivalent Grade | Key Comparison Notes | |-----------------|------------------|----------------------| | **ISO** | ISO 630-2: E235B | Similar strength with impact at +20°C | | **USA (ASTM)** | ASTM A36 | Higher carbon allowed; no mandatory impact | | **USA (ASTM)** | ASTM A529 Gr. 55 | Similar strength concept but different chemistry | | **Germany (DIN)** | DIN EN 10025-2: S235JRG2 | Direct adoption | | **UK (BS)** | BS 4360: 43B | Historical equivalent | | **Japan (JIS)** | JIS G3101: SS330 | Similar strength (215 MPa min yield) | | **China (GB)** | GB/T 700: Q235B | Nearly identical properties and usage | | **Australia** | AS/NZS 3678: 250 | Similar strength grade in Australian system | ### **Comparison within EN 10025 S235 Family:** | Grade | Impact Test | Min Impact Energy | Typical Applications | Relative Cost | |-------|-------------|-------------------|----------------------|---------------| | **S235JR** | Optional at +20°C | N/A | General construction | Base | | **S235JRG2** | **Mandatory at +20°C** | **27J** | **Quality construction** | **+5-8%** | | **S235J0** | Mandatory at 0°C | 27J | Moderate climate structures | +10-15% | | **S235J2** | Mandatory at -20°C | 27J | Cold climate structures | +15-20% | --- ## **7. QUALITY ASSURANCE & TESTING** ### **Mandatory Testing (EN 10025-2):** 1. **Tensile Test:** One test per batch ≤ 40 tonnes 2. **Impact Test:** One set (3 specimens) at +20°C per batch 3. **Bend Test:** If specified in purchase order 4. **Visual Inspection:** All surfaces for defects per standard requirements ### **Additional Testing Options:** - **Ultrasonic Testing:** For critical applications (quality classes S1-S4) - **Through-Thickness Testing:** Z-direction properties if required - **Hardness Testing:** Multiple location verification - **Chemical Analysis:** Full spectrographic report available ### **Certification Requirements:** - **EN 10204 3.1 Certificate:** Standard delivery with manufacturer's declaration - **3.2 Certificate:** Available with independent verification - **Traceability:** Complete heat number tracking through supply chain - **Test Reports:** Including impact test results at +20°C ### **Quality Control Points:** - **Chemical Composition:** Verified against product analysis limits - **Mechanical Properties:** Confirmed through destructive testing - **Dimensional Accuracy:** Per EN standards for specific product forms - **Surface Quality:** Free from harmful defects per standard requirements --- ## **8. DESIGN & SPECIFICATION CONSIDERATIONS** ### **Design Advantages:** 1. **Verified Toughness Properties:** Certified impact values provide design confidence 2. **Code Compliance:** Meets requirements of Eurocode 3 and other structural codes 3. **Economic Quality Upgrade:** Minimal cost premium for certified properties 4. **Fabrication Friendly:** Excellent weldability and formability 5. **Proven Performance:** Extensive track record in quality construction ### **Design Limitations:** - **Not for Low Temperatures:** Not suitable for service below 0°C without additional consideration - **Strength Limitations:** Lower than higher-grade steels (S275, S355) - **Corrosion Resistance:** Requires protective coating for long-term durability - **Availability:** May have limited stock compared to basic S235JR ### **Specification Best Practices:** ```plaintext EN 10025-2 S235JRG2 Product Form: [Hot rolled sections/plate] Thickness: [specify with tolerance] Delivery Condition: As rolled (AR) or normalized (N) as required Supplementary Requirements: - Impact testing at +20°C with minimum 27J - Certification: EN 10204 3.1 including test reports - Marking: Standard identification marks ``` ### **Design Recommendations:** 1. **Specify for:** Quality-conscious projects where certified properties are valued 2. **Consider alternatives:** For very low temperature applications or higher strength requirements 3. **Verify availability:** Check local stock before final specification 4. **Include testing:** Ensure impact test reports are part of material certification --- ## **9. ENVIRONMENTAL & SUSTAINABILITY** ### **Corrosion Protection:** - **Painting Systems:** Epoxy primers with suitable topcoats - **Galvanizing:** Hot-dip galvanizing suitable with proper surface preparation - **Weathering Steel:** Consider S235J0W or S235J2W for atmospheric corrosion resistance - **Maintenance:** Regular inspection and touch-up as required ### **Environmental Performance:** - **Recyclability:** >95% recycling rate at end of life - **Embodied Carbon:** Approximately 1.8-2.2 tCO₂/t steel - **Production Impact:** Lower than alloy steels due to simpler chemistry - **Sustainable Sourcing:** Available with environmental product declarations ### **Life Cycle Considerations:** - **Design Life:** 25-50 years with proper maintenance - **Maintenance Requirements:** Similar to other carbon structural steels - **End-of-Life Value:** High scrap value due to simple chemistry - **Environmental Certifications:** Available from responsible producers --- ## **10. TECHNICAL SUMMARY** **EN 1.0114 (S235JRG2)** represents a **quality-enhanced version** of the ubiquitous S235 structural steel, providing **certified impact toughness at ambient temperature** with minimal cost premium. Its position in the market fills an important gap between basic structural steels (with optional testing) and low-temperature grades (with testing at 0°C or -20°C). **Market Position & Usage:** S235JRG2 accounts for approximately 20-30% of S235 category usage in quality-conscious European construction, particularly in: - Public infrastructure projects - Commercial building construction - Industrial facilities with quality requirements - Projects where material certification is specified **Industry Trends:** Increasing emphasis on quality assurance and performance verification in construction is driving greater specification of tested and certified materials like S235JRG2. The trend toward performance-based design favors materials with verified properties over those with only nominal specifications. **Selection Decision Framework:** - **Choose S235JRG2 over S235JR when:** Certified impact properties are required, project specifications demand tested materials, or quality assurance is a priority - **Consider S235J0/J2 when:** Service temperatures may fall below 0°C or enhanced low-temperature toughness is needed - **Evaluate higher grades when:** Increased strength would provide significant weight savings or design advantages - **Always consider:** Total project requirements, local availability, and fabricator experience **Final Recommendation:** EN 1.0114 (S235JRG2) should be specified as the **default S235 grade for quality construction projects** where ambient temperature toughness verification provides value. Its minimal cost premium and certified properties offer excellent value for engineers and builders seeking reliable performance without the expense of low-temperature grades. --- **Important Notice:** This technical information is based on standard specifications and typical industry data. For specific projects: 1. Always consult the latest edition of EN 10025-2 and applicable national regulations 2. Review actual mill test certificates for supplied material 3. Consider project-specific conditions including loading, environment, and service life 4. Engage qualified structural engineers for design and specification 5. Verify local availability and supply chain considerations Properties may vary between manufacturers and production methods. Always confirm critical properties through project-specific verification when applications involve safety-critical functions or unusual conditions. -:- For detailed product information, please contact sales. -: EN 1.0114 High Manganese, Structural, Hot Rolled, Quality Steel Specification Dimensions Size： Diameter 20-1000 mm Length <5790 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. -: EN 1.0114 High Manganese, Structural, Hot Rolled, Quality Steel Properties -:- For detailed product information, please contact sales. -:

Applications of EN 1.0114 High Manganese, Structural, Hot Rolled, Quality Steel Flange -:- For detailed product information, please contact sales. -: Chemical Identifiers EN 1.0114 High Manganese, Structural, Hot Rolled, Quality Steel Flange -:- For detailed product information, please contact sales. -:

Packing of EN 1.0114 High Manganese, Structural, Hot Rolled, Quality 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 2261 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