סטנדרטי
DIN, ASTM, GB, API, bs, JIS
כיתה
A53 (A, B), A106 (B, C), P5 A335, J55-API, K55-API, API L80, 16Mn, 15MnV, # 10, 10MoWVNb, 15CrMo, ST37, STPG42, 15Mo3, STPA25
Standard
JIS, DIN, ASTM, BS, API, GB
Grade
4140/4130/4340/BVD/A53(A,B), API J55,
Outer Diameter(Round)
21.3 - 219 mm
Place of Origin
Jiangsu,China