Description:
42crmo4 alloy steel price 42crmo4 alloy steel round bars
4140 round bar sae 4140 steel price
Standards:ASTM,JIS,GB,EN(DIN,BS,NF) Or Per as clients’ requires.
Product Basic Information:
1.Chemical Composition and Mechanical Properties(In Quenched & Tempered State):
Material | 4140 | ||
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
C | 0.38-0.45 | Tensile strength(MPA) | ≥1080 |
Si | 0.17-0.37 | Yield strength (MPA) | ≥930 |
Mn | 0.50-0.80 | Elongation(δ5/%) | 12 |
Cr | 0.90-1.20 | Reduction in Area (ψ/%) | 45 |
Mo | 0.15-0.25 | Impact (J) | 63 |
P | ≤0.035 |
Hardness |
≤217HB |
S | ≤0.035 | ||
Cu | ≤0.30 | ||
Ni | ≤0.30 | ||
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