ASTM A570 Steel Rod/Bar, grade 36

ASTM A570 Steel Rod, grade 36 Product Information -:- For detailed product information, please contact sales. -: ASTM A570 Steel Rod, grade 36 Synonyms -:- For detailed product information, please contact sales. -:

ASTM A570 Steel, grade 36 Product Information -:- For detailed product information, please contact sales. -: ### **Product Introduction: ASTM A570 Grade 36 Steel** **ASTM A570 Grade 36** is a hot-rolled carbon steel sheet and strip specifically designed for structural applications, providing a minimum yield strength of **36 ksi (250 MPa)**. As one of the most widely used grades in the A570 series, it offers an optimal balance of strength, formability, and cost-effectiveness. This grade serves as a versatile structural steel suitable for various fabricated components where reliable performance and economical manufacturing are key considerations. --- #### **1. International Standards & Grades** **Primary Standard:** **ASTM A570/A570M** - "Standard Specification for Steel, Sheet and Strip, Carbon, Hot-Rolled, Structural Quality" **Grade Classification:** - **Grade 36** [250 MPa] - Minimum yield strength 36 ksi - Other grades in A570 series: 30, 33, 40, 45, 50, 55 **International Equivalents:** - **EN 10025-2**: S275JR/S275J0 - **JIS G3101**: SS400 - **GB/T 700**: Q275 - **ISO 630-2**: E275A-E275D --- #### **2. Chemical Composition** The chemical composition requirements for ASTM A570 Grade 36: | Element | Composition (Maximum %) | |---|---| | Carbon (C) | 0.25 | | Manganese (Mn) | 0.90 | | Phosphorus (P) | 0.04 | | Sulfur (S) | 0.05 | | Silicon (Si) | 0.40 (optional) | **Key Composition Features:** - **Carbon-Manganese Steel**: Simple, cost-effective composition - **Balanced Carbon Content**: Ensures good weldability and formability - **Manganese Contribution**: Provides solid solution strengthening - **Controlled Impurities**: Limited phosphorus and sulfur for improved ductility --- #### **3. Physical & Mechanical Properties** **Mechanical Properties:** | Property | Value | |---|---| | **Tensile Strength** | 400-550 MPa (58-80 ksi) | | **Yield Strength (min.)** | 250 MPa (36 ksi) | | **Elongation in 2" (min.)** | 20% | | **Elongation in 8" (min.)** | 23% | **Physical Properties:** - **Density**: 7.85 g/cm³ (0.284 lb/in³) - **Modulus of Elasticity**: 200 GPa (29,000 ksi) - **Poisson's Ratio**: 0.29 - **Thermal Conductivity**: 51.9 W/m·K - **Coefficient of Thermal Expansion**: 11.7 × 10⁻⁶/°C (20-100°C) - **Electrical Resistivity**: 0.18 μΩ·m --- #### **4. Product Applications** **Construction & Building:** - Structural frames and supports - Roof and floor decking - Wall studs and framing members - Building purlins and girts **Transportation Equipment:** - Truck and trailer frames - Automotive chassis components - Railway car structural members - Vehicle body reinforcements **Industrial Machinery:** - Equipment frames and bases - Machine guards and enclosures - Conveyor system structures - Storage rack components **Infrastructure Projects:** - Highway guard rail supports - Signage support structures - Bridge approach panels - Temporary road plates **Commercial Applications:** - Storage shelving systems - Industrial work platforms - Equipment maintenance platforms - Material handling containers --- #### **5. Fabrication Characteristics** **Welding Performance:** - **Excellent Weldability**: All standard processes applicable - **Preheat Requirements**: Generally not required for thicknesses ≤ 1 inch - **Recommended Processes**: SMAW, GMAW, FCAW, Resistance welding - **Filler Metals**: E70XX series electrodes recommended **Forming & Machining:** - **Cold Forming**: Good formability with standard equipment - **Bend Radius**: Typically 1t to 1.5t for 90° bends - **Machinability**: Fair to good (approximately 60% of B1112 steel) - **Shearing & Punching**: Excellent performance with conventional tooling **Surface Quality:** - Standard hot-rolled surface with mill scale - Suitable for most coating systems after proper surface preparation - Pickled and oiled finish available for critical painting applications **Heat Treatment:** - Supplied in as-rolled condition - Stress relieving available when specified - Annealing possible for enhanced formability --- ### **Technical Summary** ASTM A570 Grade 36 represents a well-balanced structural steel that has become an industry standard for moderate-strength applications. Its popularity stems from the optimal combination of 36 ksi yield strength with excellent fabrication characteristics and cost-effectiveness. The grade provides sufficient strength for most general structural applications while maintaining the formability and weldability advantages of carbon steel. Its predictable performance and consistent quality make it a preferred choice for fabricators across multiple industries. While it doesn't offer the specialized properties of high-strength or weathering steels, its reliable performance and economical nature ensure its continued widespread use in construction, transportation, and general manufacturing applications. The material's versatility and proven track record make it an excellent choice for projects requiring dependable structural performance without premium material costs. -:- For detailed product information, please contact sales. -: ASTM A570 Steel, grade 36 Specification Dimensions Size： Diameter 20-1000 mm Length <4294 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. -: ASTM A570 Steel, grade 36 Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A570 Steel Rod, grade 36 -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A570 Steel Rod, grade 36 -:- For detailed product information, please contact sales. -:

Packing of ASTM A570 Steel Rod, grade 36 -:- 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 Rod 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 765 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