Material: Carbon Steel

Specification: Max, 10000mm

O.D: 100-1200mm

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.