AISI-4340
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Ni(%) | Cr(%) | Mo(%) |
---|---|---|---|---|---|---|---|
C(%)(%) 0.38-0.43 | Si(%)(%) 0.15-0.35 | Mn(%)(%) 0.6-0.9 | P(%)(%) ≦0.035 | S(%)(%) ≦0.045 | Ni(%)(%) 1.5-2.0 | Cr(%)(%) 0.7-0.9 | Mo(%)(%) 0.2-0.3 |
Applications
- Nickel Chromium Molybdenum Steels for Machine Structural use
Country Code
- AISI
Standard
- -
Steel Type
- 4340
Relate Steel Type
Inquiry | Steel Type | Standard | Country Code | More | SNCM447 | 3271 | CNS | More | SNCM447 | G4103 | JIS | More | 4340 | - | AISI | More | 34CrNiMo6 | 17200 | DIN | More | SNCM439 | 3271 | CNS | More | 40CrNiMoA | 3077 | GB | More | 45CrNiMoVA | 3077 | GB | More | SNCM439 | G4103 | JIS | More | 9840 | - | AISI | More |
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- What We Supply
SNCM439
Alloy Steel
Equivalent Grades: GB 40CrNiMoA, 45CrNiMoVA, JIS SNCM439, and ASTM 4340, 9840. SNCM439 is a kind of refining steel and has the properties of high hardness and toughness. It is often used for the manufacture of screws, gears, shafts, nuts, pistons, the automobile parts required high toughness and so on.