Hot forged steel round bar

Specification:17CrNiMo6(1.6587)

Delivery condtion:Hot forged+Annealed+Rough turned.

Length:4.0m-5.8m

Size:80mm-1200mm

Steel ingot:EAF+LF+VD

Chemical compostion:According EN10084

C:0.15-0.20; Mn:0.60-0.70; Si:0.20-0.35; P<=0.015; S<=0.010;

Cr:1.60-1.80; Mo:0.25-0.35; Ni:1.40-1.70; Cu<=0.20; Al:0.020-0.050;

[H]<=2ppm; [N]:0.006-0.018; [O]<=20ppm; Ca<=0.0015; Ti<=0.0015;

Al/N:2.0-3.5; Sn<=0.030; Sb<=0.005.

Surface Hardness<=229BHN,

Ultrasonic test:Sep1921 Class C/c.
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