W-Nr. 1.2739
2022-10-31 20:13:05 Origin： Remark：0 Click：
EN 1.2739 is a middle carbon Chromium - Nickel -Molybdenum - Vanadium Base alloy tool steel, Grade 40CrNiMoV3-3-4 is available Forms round bar, flat bar, and forgings. Technical specifications - ISO 4597 - 2001.
RAW MATERIAL SPECIFICATIONS - Grade 1.2739
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 (％): 0.37 ~ 0.43
Silicon, Si (％): 1.30 ~ 1.60
Manganese, Mn (％): 0.70 ~ 0.90
Phosphorus, P (％)≤: 0.030
Sulfur, S (％)≤: 0.015
Chromium, Cr (％): 0.50 ~ 0.80
Nickel, Ni (％): 0.70 ~ 1.00
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 (％): 0.37 ~ 0.43
Silicon, Si (％): 1.30 ~ 1.60
Manganese, Mn (％): 0.70 ~ 0.90
Phosphorus, P (％)≤: 0.030
Sulfur, S (％)≤: 0.015
Chromium, Cr (％): 0.50 ~ 0.80
Nickel, Ni (％): 0.70 ~ 1.00
Molybdenum, Mo (%): 0.30 ~ 0.45
Vanadium, V (%): 0.07 ~ 0.12
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
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 500mm
Flat bar (Thickness X width): 10 ~ 350 X 15 ~ 850 X Lmm
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
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 500mm
Flat bar (Thickness X width): 10 ~ 350 X 15 ~ 850 X Lmm
Heavy plate (Thickness X width): 60 ~ 400 X 80 ~ 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.
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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