1.2742
2022-11-28 10:32:01 Origin： Remark：0 Click：
1.2742 is a middle carbon Chromium-Nickel-Molybdenum-Vanadium Base tool steel, 1.2742 Round bar, flat bar, and forgings from Steelmelting, ESR melted, Hot forging/rolling, Heat treated, Cold machined.
RAW MATERIAL SPECIFICATIONS - Grade 1.2742
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
PRODUCT SHAPES AND DIMENSIONS.
Round bar (Diameter): 5.5 to 550mm
Flat bar (Thickness X width): 10 ~ 300 X 15 ~ 800 X Lmm
Heavy plate (Thickness X width): 40 ~ 400 X 50 ~ 1100 X Lmm
Length: fixed length, random length or based on the customer's special requirement.
TECHNICAL SALES ASSISTANCE
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