AISI 1037 Steel, Hot Rolled,UNS G10370

AISI 1037 Steel, Hot Rolled Bar (UNS G10370) Product Information -:- For detailed product information, please contact sales. -: AISI 1037 Steel, Hot Rolled Bar (UNS G10370) Synonyms -:- For detailed product information, please contact sales. -:

AISI 1037 Steel, Hot Rolled Bar (UNS G10370) Product Information -:- For detailed product information, please contact sales. -: ### **Technical Data Sheet: AISI 1037 Steel - Hot Rolled Bar (UNS G10370)** --- #### **1. Material Overview** AISI 1037 (UNS G10370) is a medium-carbon, non-alloy steel supplied in the hot-rolled condition, characterized by a higher manganese content than standard 1035 steel. This composition provides enhanced hardenability and strength while maintaining good toughness and formability. As a hot-rolled product, it features the characteristic mill scale surface and represents an economical choice for applications requiring moderate strength and reliable performance in structural and mechanical components. --- #### **2. Key Characteristics** - **Enhanced Strength:** Higher manganese content provides improved tensile and yield strength compared to lower-grade carbon steels - **Good Hardenability:** Suitable for through-hardening and surface hardening applications - **Economical Production:** Hot-rolled condition offers cost-effective manufacturing - **Versatile Fabrication:** Can be welded, machined, and formed with proper techniques - **Balanced Properties:** Provides optimal combination of strength, toughness, and manufacturability --- #### **3. Chemical Composition** | Element | Composition Range (%) | Standard Reference | |---------|----------------------|-------------------| | **Carbon (C)** | 0.32 - 0.38 | SAE J403, ASTM A29 | | **Manganese (Mn)** | 1.00 - 1.40 | SAE J403, ASTM A29 | | **Phosphorus (P)** | ≤ 0.040 | SAE J403, ASTM A29 | | **Sulfur (S)** | ≤ 0.050 | SAE J403, ASTM A29 | | **Silicon (Si)** | 0.15 - 0.35 | SAE J403, ASTM A29 | | **Iron (Fe)** | Balance | - | *Note: The elevated manganese content (1.00-1.40%) distinguishes AISI 1037 from standard 1035 steel.* --- #### **4. Typical Mechanical Properties (Hot-Rolled Condition)** | Property | Value Range | Test Standard | |----------|-------------|---------------| | **Tensile Strength** | 540 - 655 MPa (78 - 95 ksi) | ASTM A370 | | **Yield Strength (0.2% offset)** | 400 - 485 MPa (58 - 70 ksi) | ASTM A370 | | **Elongation in 2" (50 mm)** | 16% - 22% | ASTM A370 | | **Reduction of Area** | 35% - 45% | ASTM A370 | | **Brinell Hardness** | 163 - 217 HB | ASTM E10 | | **Modulus of Elasticity** | 200 GPa (29,000 ksi) | ASTM E111 | | **Shear Modulus** | 80 GPa (11,600 ksi) | - | | **Poisson's Ratio** | 0.29 | - | | **Machinability Rating** | ~55% (relative to 1212 steel) | - | --- #### **5. Physical Properties** | Property | Value | |----------|-------| | **Density** | 7.87 g/cm³ (0.284 lb/in³) | | **Melting Point** | 1480 - 1520°C (2696 - 2768°F) | | **Thermal Conductivity** | 50.2 W/m·K (34.8 BTU·in/hr·ft²·°F) | | **Specific Heat Capacity** | 486 J/kg·K (0.116 BTU/lb·°F) | | **Coefficient of Thermal Expansion** | 11.3 µm/m·°C (6.3 µin/in·°F) 20-100°C | | **Electrical Resistivity** | 0.180 µΩ·m | --- #### **6. International Standard Equivalents** | Standard System | Designation | Comparable Specification | |----------------|-------------|--------------------------| | **UNS** | G10370 | Unified Numbering System | | **SAE/AISI** | 1037 | SAE J403 | | **ASTM** | Grade 1037 | ASTM A29, A576 | | **EN (Europe)** | - (Closest: 1.1151 C35E) | EN 10083-2 | | **ISO** | - (Closest: C35E) | ISO 683-18 | | **JIS (Japan)** | S35C (Similar) | JIS G4051 | | **GB (China)** | 35Mn (35锰) | GB/T 699 | | **DIN (Germany)** | - (Closest: 1.1151) | DIN 17200 | *Note: Exact equivalents may vary due to manganese content specifications.* --- #### **7. Heat Treatment Characteristics** AISI 1037 responds well to various heat treatments: **Recommended Heat Treatment Parameters:** - **Annealing:** Heat to 790-815°C (1450-1500°F), slow cool - **Normalizing:** 870-925°C (1600-1700°F), air cool - **Quenching:** 830-855°C (1525-1575°F), oil quench preferred - **Tempering:** 425-650°C (800-1200°F) based on desired properties **Hardenability:** Due to higher manganese content, AISI 1037 exhibits better hardenability than standard 1035, making it suitable for larger sections and more demanding applications. --- #### **8. Primary Applications** AISI 1037 hot-rolled bars are used in applications requiring enhanced strength and hardenability: **Automotive & Transportation:** - Axle shafts and drive components - Suspension system parts - Steering linkage components - Transmission shafts **Industrial Machinery:** - High-strength shafts and spindles - Gear blanks and sprockets - Hydraulic cylinder components - Machine tool parts **Construction & Mining:** - Excavator and loader components - Drill rods and tooling - High-strength fasteners - Wear-resistant plates **Agricultural Equipment:** - Implement drive shafts - Tractor components - Plow and cultivator parts - PTO shafts **General Manufacturing:** - Die blocks and tooling - Press components - Heavy-duty brackets and frames - Forging stock --- #### **9. Fabrication & Processing** **Machining:** - Requires proper tool geometry and cutting parameters - Carbide tools recommended for production machining - Use cutting fluids for improved surface finish - Annealing improves machinability for complex parts **Welding:** - Pre-heating (150-260°C/300-500°F) required - Low-hydrogen electrodes (E7018, E8018) recommended - Post-weld stress relief (595-650°C/1100-1200°F) advised - Controlled cooling to prevent cracking **Forming:** - Good hot working characteristics - Moderate cold forming capability - Minimum bend radius: 1.5-2 times thickness --- #### **10. Quality Assurance** - Standard mill test reports including chemical analysis - Mechanical property certification available - Dimensional tolerances per ASTM A29 - Surface inspection for defects and discontinuities - Optional NDT testing upon request --- **Important Notes:** 1. Higher manganese content improves hardenability but may affect weldability 2. Proper heat treatment is essential for optimal performance 3. Mill scale should be removed for precision machining and welding 4. Consider normalized condition for applications requiring uniform properties 5. For critical applications, specify additional testing requirements --- **Disclaimer:** This technical data sheet provides general information about AISI 1037 hot-rolled steel. Actual properties may vary based on manufacturer, processing parameters, and specific production conditions. For engineering applications, consult official material specifications and conduct appropriate testing. Professional engineering judgment should be applied for specific applications. -:- For detailed product information, please contact sales. -: AISI 1037 Steel, Hot Rolled Bar (UNS G10370) Specification Dimensions Size： Diameter 20-1000 mm Length <4795 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 1037 Steel, Hot Rolled Bar (UNS G10370) Properties -:- For detailed product information, please contact sales. -:

Applications of AISI 1037 Steel, Hot Rolled Bar (UNS G10370) -:- For detailed product information, please contact sales. -: Chemical Identifiers AISI 1037 Steel, Hot Rolled Bar (UNS G10370) -:- For detailed product information, please contact sales. -:

Packing of AISI 1037 Steel, Hot Rolled Bar (UNS G10370) -:- 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 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 1266 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