Brand 51CrMoV4
German W-Nr. 1.7701
Corresponding to DIN 17221-1988
Hot-rolled spring steel delivery technique for quenching and tempering
Classify spring steel
Performance Strength elasticity fatigue resistance hardenability
Label alloy spring steel.
Approximate table spring steel
China China Taiwan Japan Korea United States International Standards Organization Germany France United Kingdom
GB ISC CNS JIS KS AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
55CrMnMoA A34603 SUP13 SUP13 SPS9 4160 G41600 60CrMo3-3 ≈51CrMoV4 1.7701 ≈51CDV4 705H60
51CrMoV4 Chemical element Content (%)
Chemical composition: c: 0.48-0.56 si: ≤ 0.40 mn: 0.7-1.0
s: ≤ 0.015 p: ≤ 0.015 cr: 0.9-1.2 mo: 0.25-0.35 v: 0.1-0.2 ni: ≤ 0.035 cu: ≤0.03
51CrMoV4 Mechanical properties
Conditional hardness
HBW
Cold shear state C ≤280
Softening annealing state G ≤248
Spheroidizing state GKZ ≤225