17CrNiMo6, 1.6587
Chemical composition:
C:0.15/0.20; Si:0.15-0.35; Mn:0.60/0.90; P:Max 0.025; S:Max 0.035
Cr:1.50/1.80,Mo:0.25/0.35; Ni:1.40/1.70; Al:0.02/0.05; N:0.006/0.018;
Standard: EN10084
Grain size: above grade 5
Annealing Hardness: Maximum HB217
Delivery status: forging+normalizing/annealing+roughing+quenching+tempering (quenching and tempering).
Or we can provide forged black leather
Specifications: 90mm~800mm
Length: above 4.0m (fixed length delivery is acceptable).
Flaw detection: utsaccording to sep1921c/c, d/d, e/e, a388 or gb/t6402