Listing ID #6093631
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Contact SupplierStandard | AISI / SAE 4340 |
UNS | - |
WERKSTOFF NR. | 34CrNiMo6, 40NiCrMo8-4 |
BS 970 | 817M40, En24 |
UNI | 35NiCrMo6 (KB), 40NiCrMo7 (KB) |
JIS | SNCM 447, SNB24-1-5 |
EN name | 34CrNiMo6 |
EN # | 1.6582, 1.6562 |
C | Mn | Si | S | P | Cr | Ni | Mo | |
SAE - 4340 | .38- .43 | .60 - .80 | .15 - .35 | .035 MAX | .040 MAX | .70 - .90 | 1.65 -2.00 | .20 - .30 |
Tensile strength kgf/mm² | Yield strength kgf/mm² | Elongation % | Cross section reduction rate % | Impact value | Hardness Hb |
---|---|---|---|---|---|
≧100 | ≧90 | ≧16 | ≧45 | ≧7 | 293~352 |