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State:hot forging+normalizing+turningSize:90mm to 800mmLength:3 or 4 meter or according to requestBillet:EAF+LF+VD Straightness:≤4mm/m(black), ≤2mm/m(turning)OD Tolerance:-0/+8mm(black),-0/+3 mm(turning)Grain Fineness:ASTM E112-96 > Level 5 or better under annealing state;Non Metallic Inclusion:ASTM E45 A/B/C/D heavy ≤2, thin ≤2.5Test:SEP1921 CLASS C/C,D/d,E/e;GB/T 6402-91;GB/T6402-2008MTC:EN 10204/3.1.BLead Time:30 to 60 days after order confirmed Note:Forged tube, forged square, forged shaft, forged alxs,forged wind turbine main shaft,ship shaft and other finishing service can be supplied.Please send us your detailed specifications when inquire.