SNCM439

  • SNCM439 - SNCM439
SNCM439
Model - SNCM439
Nickel Chrome Molybdenum Alloy Steel
Shafts, crankshafts, gears, pistons, automotive parts, locomotive parts, power screws and nuts  

1.Ingredient:
Steel Grade C Si Mn P S Ni Cr Mo
SNCM439 0.36-0.43 0.15-0.35 0.60-0.90 <0.030 <0.030 1.60-2.00 0.60-1.00 0.15-0.30

2.Equivalent steel:
Equivalent steel JIS AISI DIN GB
  SNCM439 4340 40NiCrMo6 40CrNiMoA

3.Heat treatment:
Normalization Annealing Quenching Tempering
820-870 Air Cooling 820 High Temperature Annealing
870 Low Temperature Annealing
820-870 Oil Cooling 580-680 Quickly cooling

4.Mechanical properties:
Yielding Strength (N/mm²) Tensile Strength (N/mm²) Elongation (%) Section reduction (%) Charpy Hardness (HBW)
>885 980 >16 >45 >69 293~352

5.Origin Place:Japan,China,Korea
HERO STAR SPECIAL STEEL CO., LTD.
SNCM439
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We are an expert ofSNCM439 and an importer, supplier and exporter with factory and warehouse in Taiwan. We continue expanding our stock of SNCM439 products to efficiently accommodate clients’ demands both locally and internationally. Trust SNCM439 provided by HERO STAR SPECIAL STEEL CO., LTD. is your best solution.
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