1.Chemical Composition and Mechanical Properties(In Quenched & Tempered State):
Material | 5140 | ||
Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
C | 0.37-0.44 | Tensile strength(MPA) | 980 |
Si | 0.17-0.37 | Yield strength (MPA) | 785 |
Mn | 0.50-0.80 | Elongation(δ5/%) | 9 |
Cr | 0.80-1.10 | Reduction in Area (ψ/%) | 45 |
Mo | 0.15-0.25 | Impact (J) | 47 |
P | ≤0.035 |
Hardness |
≤207HB |
S | ≤0.035 | ||
Cu | ≤0.30 | ||
Ni | ≤0.30 | ||
2.Similar steel grade & equivalent steel materials:
USA | Japanese | Gemany | British | France | International | Chinese |
ASTM&AISI&SAE | JIS | EN DIN | EN BS | EN NF | ISO | GB |
5140 | SCr440 | 41Cr4(1.7035) | Cr4 | ------ | 40Cr |
