Material: Steel
Specification: Max, 10000mm
O.D: 100-1500mm
Surface roughness:1.6
Precision(mm): 0.1
Flaw detection: SEP 1921
Grain size: ASTM E-112
Coaxial tolerance(mm): 0.08
Forging ratio: Min,3
Certificate: ISO 9001:2000
Standard: ASTM, EN, DIN, JIS, etc.