SHANGHAI UNITE STEEL
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G13Cr4Mo4Ni4V Bearing Steel Bar , Hot Rolled Alloy Bearing Steel Round Bar , Surface machined
Applications:
Used in roller bearings, rolls for metal, blanking dies, punches, forming tools, lathe centres, gauges, cams, bushes marking dies, master hobs, hand taps.
Process: EAF/LD+LF+VD+INGOT+HOT ROLLED/FORGED+Spheroidizing Annealing+UT+CUT
Size Range:
Dia: Cold drawn: 2.5-80 mm, Hot Rolled: 10mm-350mm, Hot forged: 150-800 mm
Length: not more than 12 m
Surface:
Black, Peeled (K12), Turned & Polished (H10, H11), Precision Ground (H9, H8)
Ultrasonic test: according to SEP 1921-84
Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.
Marking: Heat No. will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted