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55NiCrMoV7 | 1.2714 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor
1.2714 (DIN EN ISO 4957 : 2018-11) 1.2714 DIN EN ISO 4957 : 2018-11 Supersedes DIN EN ISO 4957 : 2001-02 Valid Germany 55NiCrMoV7 1)
1) Remark: 55NiCrMoV7 is an alloyed hot worked tool steel. In the hardened and tempered condition, it reaches a minimum of 42 HRC. Use: preferred for forging dies and snap dies of all sizes and grooves for the processing of hard steels, also jaws for in forging machines, hammer and press saddles, extrusion and tube extrusion punches for light and heavy metal processing, pressure plates, etc.

Chemical Composition

C [%] Cr [%] Mn [%] Mo [%] Ni [%] P [%] S [%] Si [%] V [%]
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Mechanical Properties

Condition Temperature [°C] Tensile Strength [MPa] Hardness HB | HBW Hardness HRC
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Differential Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Thermal Diffusivity [10^-6 m²/s] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)] True Specific Heat Capacity [kJ/(kg*K)]
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Heat Treatment

Heat Treatment Step Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
55NiCrMoV7 Europe EN ISO 4957
T55Ni7Cr4Mo5V1 India IS 1570 : Part 6 1)
TAH7 India IS 1570 : Part 6 1)
T55Ni7Cr4Mo5V1 India IS 5518 1)
55NiCrMoV7 International ISO 4957
SKT4 Japan JIS G 4404 2)
STF4 South Korea KS D 3753 1)
A681 Type L6 USA ASTM A681 1)
L6 USA SAE 1)
T61206 USA UNS 1)
56NiCrMoV7 Germany 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: EN ISO 4957 : 2018-07

Material Compliance

REACh RoHS
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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Specific heat

Temperature [°C] Specific heat [kJ/(kg*K)]
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Density

Temperature [°C] Density [g/cm³]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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