1.2758
2022-12-07 14:53:55 Origin： Remark：0 Click：
1.2758 is a high carbon 12.0% Nickel - 12.0% Tungsten - 4.0% Chromium tool steel, 1.2758 Round bar, flat bar, and forgings Steel melting, ESR melted, Hot forging / Hot rolling, Heat treatment, 100% Ultrasonic test, Cold machined.
RAW MATERIAL SPECIFICATIONS - Grade 1.2758
MATERIAL CATEGORY - hot 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 (％): 0.48 ~ 0.53
Silicon, Si (％): 1.30 ~ 1.50
Manganese, Mn (％): 0.50 ~ 0.70
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 3.80 ~ 4.20
Nickel, Ni (％): 11.0 ~ 12.0
Molybdenum, Mo (%): 0.60 ~ 0.80
Vanadium, V (%): 1.00 ~ 1.20
MATERIAL CATEGORY - hot 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 (％): 0.48 ~ 0.53
Silicon, Si (％): 1.30 ~ 1.50
Manganese, Mn (％): 0.50 ~ 0.70
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 3.80 ~ 4.20
Nickel, Ni (％): 11.0 ~ 12.0
Molybdenum, Mo (%): 0.60 ~ 0.80
Vanadium, V (%): 1.00 ~ 1.20
Cobalt, Co (%): 1.50 ~ 1.80
Tungsten, W (%): 12.0 ~ 13.0
Ferrum, Fe (%): balance.
MECHANICAL PROPERTIES - HEAT TREATMENT CYCLE - HARDNESS
Hot working tenperature /℃: 1050 ~ 850
Annealing temperature /℃: 650 ~ 700
Hardness after annealing ≤HBW: 290
Quenching temperature /℃: 1000 ~ 1100
Cooling medium: air or oil
Common tempering temperature /℃: 400 ~ 600
Hardening value after tempering at temperature /MPa | 100℃: 1350 ~ 1650 MPa
TYPICAL APPLICATIONS
Cutting tools. Mechanical parts, Air hammer tools. Piercing tools.
ADVANTAGE & SUPERIOR SERVICE
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
Round bar (Diameter): 5.5 to 600mm
Flat bar (Thickness X width): 10 ~ 300 X 15 ~ 850 X Lmm
Heavy plate (Thickness X width): 40 ~ 400 X 50 ~ 1000 X Lmm
Length: fixed length, random length or based on the customer's special requirement.
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.
Ferrum, Fe (%): balance.
MECHANICAL PROPERTIES - HEAT TREATMENT CYCLE - HARDNESS
Hot working tenperature /℃: 1050 ~ 850
Annealing temperature /℃: 650 ~ 700
Hardness after annealing ≤HBW: 290
Quenching temperature /℃: 1000 ~ 1100
Cooling medium: air or oil
Common tempering temperature /℃: 400 ~ 600
Hardening value after tempering at temperature /MPa | 100℃: 1350 ~ 1650 MPa
TYPICAL APPLICATIONS
Cutting tools. Mechanical parts, Air hammer tools. Piercing tools.
ADVANTAGE & SUPERIOR SERVICE
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
Round bar (Diameter): 5.5 to 600mm
Flat bar (Thickness X width): 10 ~ 300 X 15 ~ 850 X Lmm
Heavy plate (Thickness X width): 40 ~ 400 X 50 ~ 1000 X Lmm
Length: fixed length, random length or based on the customer's special requirement.
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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