Alloy Steel 4130 | UNS# G41300 also known as AISI or SAE 4130 is a low-alloy steel that contains chromium and molybdenum and demonstrates good strength, toughness, machinability, and weldability. Often utilized as forgings in the aerospace and oil & gas industries, automotive, agricultural, and defense applications. AISI 4130 is versatile with good atmospheric resistance and good strength at moderately high temperatures.
Alloy Steel 4130 Specifications:
Alloy Steel 4130 product forms offered at all 91proÊÓƵ’ locations:
Alloy Steel 4130 Applications:
- Commercial and Military Aircraft
- Automotive
- Oil & Gas
- Agricultural
- Forged Valve Bodies and Pumps
DISCLAIMER: Alloy data sheets are for reference only, not for design purposes.
Chemical Composition | |||||||||
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Fe 97.0% | Cr 1.0% | Mn 0.50% | C 0.30% | Si 0.25% | |||||
Mo 0.20% | S 0.05% | P 0.05% |
PHYSICAL PROPERTIES | ||||||
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Density | Electrical conductivity (% IACS) | Thermal conductivity (BTU-in/hr-ft²-°F) | Specific heat capacity | Thermal expansion (1/°F) | Melting Point (°F) | |
0.284 | 7.73 | 296 | 0.114 | 0.00000620 | 2610 |
Mechanical Properties | |||||||||
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Property | Minimum | Maximum | |||||||
Yield Strength Range (Rp0.2 Offset) (ksi) | 52.3 | 63.3 | |||||||
Tensile Strength Range (Rm) (ksi) | 81.2 | 150 | |||||||
Elongation (AL=5 x Ø) | 25.5% | 28.2% | |||||||
Brinell Hardness (H) | 156 | 331 | |||||||
Modulus of Elasticity (ksi) (E): 29700 | |||||||||
Machineability General Index: 72% |