55CrNiMoV4-2-4 Round bar, flat bar and forgings
2022-12-05 11:24:33 Origin: Remark:0 Click:
RAW MATERIAL SPECIFICATIONS - Grade 1.2742 & 55CrNiMoV4-2-4
MATERIAL CATEGORY - cold work alloy tool steel
MATERIAL SPECIFICATIONS - EN ISO 4957: 2000, DIN 17350
MELTING PROCESS - EAF + VD + LF / BEF + ESR
H S CODE For Customs - 7228 4000 / 7228 5000 / 7228 6000
Official Test Certificate - issued by TUV - SGS - BV
MAIN CHEMICAL COMPOSITION (mass weight %)
Carbon, C (%): 0.53 ~ 0.58
Silicon, Si (%): 0.10 ~ 0.35
Manganese, Mn (%): 0.70 ~ 0.85
Phosphorus, P (%)≤: 0.025
Sulfur, S (%)≤: 0.025
Chromium, Cr (%): 0.90 ~ 1.10
Nickel, Ni (%): 0.45 ~ 0.60
Molybdenum, Mo (%): 0.38 ~ 0.48
Vanadium, V (%): 0.03 ~ 0.10
Ferrum, Fe (%): balance.
MECHANICAL PROPERTIES - HEAT TREATMENT CYCLE - HARDNESS
Hot working tenperature /℃: 1050 ~ 850
Annealing temperature /℃: 650 ~ 700
Hardness after annealing ≤HBW: 255
Quenching temperature /℃: 830 ~ 870
Cooling medium: air or oil
Common tempering temperature /℃: 160 ~ 300
Hardening value after tempering at temperature /MPa | 100℃: HRC 56
Hardening value after tempering at temperature /MPa | 200℃: -
Hardening value after tempering at temperature /MPa | 300℃: -
Hardening value after tempering at temperature /MPa | 400℃: -
TYPICAL APPLICATIONS
Cutting tools. Mechanical parts, Air hammer tools. Piercing tools.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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