PRODUCTGRADEEQUIVALENT STANDARDCHEMICAL COMPOSITION (%)SUPPLY CONDITIONAPPLICATIONTYPE OF APPLICATION
AISIDINJISCSiMnCrMoNiVWOth.
Nitriding Steel
1.8509

A290

41CrAlMo7-10

SACM645

0.4

0.3

0.7

1.6

0.3

Al/1.2

24-30 HRCCr-Al-Mo alloyed, good strength, resistant to friction. Can be surface-hardening suitable for sliding components such as gears, axles, cylinders, pumps
1.8550

A355C

34CrAINi7

SACM1

0.34

0.3

0.5

1.7

0.2

1.0

Al/1.0

35 HRCAl alloyed, good strength, resistant to abrasion. Can be hardened, suitable for making gears, axle gears, bow rod, piston, blow molding machine