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25CrMo4 | 1.7218 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
1.7218 (DIN EN 10305-1 : 2016-08) 25CrMo4 1.7218 DIN EN 10305-1 : 2016-08 Supersedes DIN EN 10305-1 : 2010-05 Valid Germany 25CrMo4 1.1.1 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 [%] Remainder
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Material Compliance

REACh RoHS
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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

Producer/Supplier/Trade names

Tradename Supplier
25CrMo4 bsh Präzisions-Stahlrohr-Handel GmbH, Solingen
25CrMo4 BENTELER Distribution Deutschland GmbH & Co. KG, Duisburg
25CrMo4 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
1.7218 Imet Industriemetall Handelsgesellschaft mbH, Hamburg
25CrMo4 Knauf Interfer SE, Duisburg
25CrMo4 Möllers Stahlhandel GmbH, Stadtlohn
25CrMo4 pauly STAHLHANDEL, Essen
25CrMo4 Rohrwerk Maxhütte GmbH, Sulzbach-Rosenberg
25CrMo4 ThyssenKrupp Schulte GmbH, Essen