Essential information fo↑♣★↓r 42CrMo4
[ Time:2019-04-15 Click:992 ]
42CrMo4 alloy steel
Standard: EN 10083/3-2006
Application: machine construction, basπ→±♠e plates, axes, gear shafts>λ™≥, gear wheels
Surface condition: black, polished, rough machined, φ♣÷turned, painted, oil or gre>✘ase covered
Chemical composition: C: 0.38 ~0.45; Si: &lδ₩ ™e;0.40; Mn:0.60~0.9©♥0; S: ≤0.035; P: ≤"♣0.035; Cr:0.90~∞✘Ω1.20; Mo: 0.15~0.30
Stock sizes: φ30, φ35,&n☆∏★∑bsp;φ40, φ45★∏, φ50, φ60, &•φ65, φ70,&nπ↔bsp;φ90, φ100, φ☆σ>110, φ130, &phi&×φα;120, φ140 mm★'
Equivalent grades conversion:
Standard | Grade |
GB | 42CrMo |
AISI | 4140, 4142 |
ГOCT | 38XM |
BS | 708M40, 708A42, 709M♣Ω☆40 |
NF | 40CD4, 42CD4 |
DIN | 41CrMo4, 42CrMo4, 1.7225 |
JIS | SCM4 |
ISO | 683, 1 3 |
SAE | 4140H, 4140RH |
Mechanical composition:
Tensile strength: min 1080 MPa
Yield strength : min 930 MPa
Elongation rate: min 12%
Reduction rate: min 45%
Impact energy: akv min 63J
Hardness: 32HRC ~52 HRC
Melting point: 1416 ℃
Formula reference:
Round bar weight KG = 3.14 x length x←★ radius² x 0.00000785
Round pipe weight KG=♦ " 3.14 x length x (OD²-ID²) x ♦®α0.00000785
Plate weight KG= length x width x thicΩλkness x 0.00000785
(All lengths are mm)
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