EN 10269 Grade 25CrMo4 / 1.7218

EN 10269 Grade 25CrMo4 / 1.7218

This European Standard specifies requirements for semi-finished products, bars and rods for fasteners with properties specified at elevated and/or low temperatures made of non-alloy and alloy (including stainless) steels and nickel alloys as given in Table 1. The requirements of this standard may be applied also to the finished fasteners. The general technical delivery conditions in EN 10021 also apply to products supplied in accordance with this European Standard.

Grade 25CrMo4 Chemical Composition

Material designation Chemical composition, % by mass
Element Number C Si Mn P max. S max. Altot B Cr Mo Ni V Others
25CrMo4 1.7218 0,22 to 0,29 ≤ 0,40 0,60 to 0,90 0,025 0,035 0,90 to 1,20 0,15 to 0,30 - - -

Grade 25CrMo4 Mechanical Properties

Material designation Heat treatment condition a Diameter c (d mm) Proof strength (Rp0,2 MPa min.) Tensile strength (Rm MPa) Elongation after fracture (A % min) Reduction in area (Z % min) Impact energy (ISO-V) at 20 °C (KV2 J min)
Name Number
25CrMo4 1.7218 +QT d ≤ 100 440 600 to 750 18 60 60
100 < d ≤ 150 420 600 to 750 18 60 45