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GS-25 CrMo 4 | 1.7218 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country VDA 231-106 classification Application temperature [°C]
1.7218 (DIN 17205 : 1992-04) GS-25 CrMo 4 1.7218 DIN 17205 : 1992-04 DIN 17205 : 1992-04 replaced by DIN EN 10293 : 2005-06 Replaced Germany 1.1.1 ≤ 300 1)
1) Remark: The material GS-25 CrMo 4 is applicable up to 300 degrees C. The use is performed chiefly in the vehicle and gear manufacturing, e.g. for steering knuckles, rear axle bridges, cog wheels, toothed rims, drive sprocket rims, supporting arms.

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 Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [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]
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Toughness Data (Impact)

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Shape Notch Impact Energy [J]
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FKM Guideline Fatigue Strength

Semi-finished Product Condition Nominal Size [mm] Tensile Strength [MPa] Yield Strength [MPa] Fatigue Limit under rev. Tension-Compression Stresses [MPa] Fatigue Strength under pulsating Tensile Stresses [MPa] Bending Fatigue Strength [MPa] Shear Fatigue Strength [MPa] Torsion Fatigue Strength [MPa]
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Heat Treatment

Heat Treatment Step Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
G26CrMo4 (1.7221) Germany DIN EN 10293

Producer/Supplier/Trade names

Tradename Supplier
1.7218 ZAPP AG, Ratingen
GS-25 CrMo 4 Salzgitter Flachstahl GmbH, Salzgitter
GS-25 CrMo 4 Georgsmarienhütte GmbH, Georgsmarienhütte
GS-25 CrMo 4 Schmiedewerke Gröditz GmbH, Gröditz
GS-25 CrMo 4 voestalpine AG, Linz
GS-25 CrMo 4 Tata Steel, IJmuiden

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