4140 steel is an alloy structural steel with a carbon content of 0.33%-0.48%, a tensile strength of 795 MPa and a hardness of 241HB
AISI 4140 Steel,SAE 4140 Alloy Steel,ASTM 4140 High Strength Steel Round Bar
Product ID: 4140-04
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1.AISI 4140 Steel Describe
4140 steel is a kind of alloy structural steel. It belongs to the steel with the American grade equivalent to the 42CrMo grade in my country. This kind of steel belongs to the medium hardenability steel with high yield, good comprehensive mechanical properties, good strength, good toughness and hardenability. High advantages, its carbon content is 0.33%-0.48%, its tensile strength is 795 MPa, and its hardness is 241HB. After heat treatment at 4140, it has good strength and good comprehensive mechanical properties, and it has good manufacturability. Fasteners, salvage tools, etc.
2.AISI 4140 Steel Chemical Composition
C:0.38-0.45 Si:0.17-0.37 S:≤0.035 P:≤0.035
Mn:0.50-0.80 Cr:0.90-1.20 Mo:0.15-0.25 Ni:≤0.30
Cu≤0.30
3.AISI 4140 Steel Treatment Process
Heat treatment standard: quenching at 850℃, oil cooling; tempering at 560℃, water cooling, oil cooling;
Metallographic structure: tempered sorbite
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songshunmolds
4140 steel is a kind of alloy structural steel. It belongs to the steel with the American grade equivalent to the 42CrMo grade in my country. This kind of steel belongs to the medium hardenability steel with high yield, good comprehensive mechanical properties, good strength, good toughness and hardenability. High advantages, its carbon content is 0.33%-0.48%, its tensile strength is 795 MPa, and its hardness is 241HB. After heat treatment at 4140, it has good strength and good comprehensive mechanical properties, and it has good manufacturability. Fasteners, salvage tools, etc.
2.AISI 4140 Steel Chemical Composition
C:0.38-0.45 Si:0.17-0.37 S:≤0.035 P:≤0.035
Mn:0.50-0.80 Cr:0.90-1.20 Mo:0.15-0.25 Ni:≤0.30
Cu≤0.30
3.AISI 4140 Steel Treatment Process
Heat treatment standard: quenching at 850℃, oil cooling; tempering at 560℃, water cooling, oil cooling;
Metallographic structure: tempered sorbite
please contact us for quotes.
songshunmolds
Certificate
- SGS/ISO/Mill certificate
Main Products
4140 Steel,4340 Steel,Cool work Hot work mold steel,high speed steel