Customization: | Available |
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Type: | Seamless |
Technique: | Cold Drawn |
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ALLOY JIS G4105 SCM420H SPECIFICATION |
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Alloy Steel JIS SCM420H Standard | : | JIS G 4105 |
Alloy JIS G4105 SCM420 Equivalent material | : | 20CrMo, 25CrMo4 (1.7218), 40CrNiMoA, 4340, 817M40, 816M40 |
JIS G4105 SCM420H Percentage reduction of area | : | ≥50 |
JIS G4105 SCM420H Impact (J/cm2) | : | ≥78 |
JIS G4105 SCM420H Hardness | : | ≤197HB |
JIS G4105 SCM420H Heat treatment specification | : | normalized 920 deg C |
JIS G4105 SCM420H Delivery condition | : | By heat treatment (normalizing, annealing and high temperature tempering) or heat treatment state delivery, delivery status should be indicated in the contract. |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
0.18-0.23 |
0.15-0.35 |
0.60-0.85 |
0.030max |
0.030max |
0.90-1.20 |
0.15-0.30 |
Yield Strength |
Tensile Strength |
Elogation |
---|---|---|
835 |
685 |
12 |
JIS G4105 |
DIN |
BS 970 |
NF A35-551 |
ГOCT 4543 |
SCM420 (SCM22) |
25CRMO4(1.7218) |
708H20, 708M20 |
18CD4 |
20XM |