EN 10269 Grade 40CrMoV4-6 / 1.7711

EN 10269 Grade 40CrMoV4-6 / 1.7711

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 40CrMoV4-6 Chemical Composition

Material designation Chemical composition, % by mass
Element Number C Si Mn P max. S max. Altot B Cr Mo Ni V Others
40CrMoV4-6 1.7711 0,36 to 0,44 ≤ 0,40 0,45 to 0,85 0,025 0,030 ≤ 0,015 0,90 to 1,20 0,50 to 0,65 0,25 to 0,35

Grade 40CrMoV4-6 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
40CrMoV4-6 1.7711 +QT d ≤ 100 700 850 to 1 000 14 45 40
100 < d ≤ 160 640 850 to 1 000 14 45 40