PRODUCT | GRADE | EQUIVALENT STANDARD | CHEMICAL COMPOSITION (%) | SUPPLY CONDITION | APPLICATION | TYPE OF APPLICATION | ||||||||||
AISI | DIN | JIS | C | Si | Mn | Cr | Mo | Ni | V | W | Oth. | |||||
Case-Hardened Steel | ||||||||||||||||
1.7147 | 4820 | 20MnCr5 | – | 0.18-0.19 | 0.21-0.29 | 1.160-1.19 | 1.05-1.11 | 0.02-0.04 | 0.09-0.13 | – | – | P/0.016-0.021, S/0.024-0.028 | Annealed 229-285 HB | Manganese-Chromium alloyed can obtain shocks, good wear resistance suitable for gears, wheels, large pins cylinder rods | ||
1.7131 | 5115, 5117 | 16MnCr5 | SCM415 | 0.14-0.19 | 0.1-0.4 | 1.0-1.3 | 0.8-1.0 | – | – | – | – | P/0.035, S/0.035 | Annealed 170-210 HB | Heat treatable, case hardening for surface hardened steel resistant to traction at the center suitable for gears, wheels, large pins, driver gears | ||
1.6587 | 4317, (4820) | 18CrNiMo7-6, 17CrNiMo6 | SNCM415 | 0.15-0.21 | 0.4 | 0.5-0.9 | 1.5-1.8 | 0.25-0.35 | 1.4-1.7 | – | – | P/0.025, S/0.035 | Annealed 170-210HB | Chrome-Nickel-Molybdenum alloyed with toughness resistant to heavy loads using high torque suitable for making gears, shafts, sprockets, needle bearings | ||
1.5919 | 3115 | 15CrNi6 | SNC415 | 0.14-0.19 | 0.15-0.4 | 0.4-0.6 | 1.4-1.7 | – | 1.5-1.7 | – | – | – | Annealed 170-210 HB | Chrome-Nickel alloyed with toughness and has the pulling force in the center suitable for making gears with high stress steering shaft drive and large gear wheels |