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25CrMo4 | 1.7218 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor
1.7218 (DIN EN 10305-1 : 2016-08) 1.7218 DIN EN 10305-1 : 2016-08 Supersedes DIN EN 10305-1 : 2010-05 Valid Germany 25CrMo4 1)
1) Remark: Seamless cold drawn steel tubes of circular cross for precision applications are characterized by having precisely defined tolerances on dimensions and a specified surface roughness. Typical applications: vehicle, furniture, general engineering

Chemical Composition

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

Semi-finished Product Condition Temperature [°C] Specimen Direction Tensile Strength [MPa] Elongation A [%]
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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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Cross Reference

Material Name Country Standard
A30302 China GB 18248 1)
30CrMo China GB 18248 1)
25CrMo4 Europe EN 10305-1
CDS-7 India IS 3074 1)
SCM420TK Japan JIS G 3441 1)
SCM430TK Japan JIS G 3441 1)
SCM420TK South Korea KS D 3574 1)
A519 Grade 4130 USA ASTM A519 2)
4130 USA SAE 2)
Grade 4130 USA SAE 2)
G41300 USA UNS 2)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

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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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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