标准 |
ANSI |
出生地 |
Shanghai China (Mainland) |
牌子的名字 |
Roc-Master |
Features: 1) Material: ASTM A105 ASTM A350 LF2 ASTM A516 Gr60, Gr65, Gr70, ASTM A182 F304, F304L, F316, F316L ASTM A182 F51, F53 ASTM A182 F11, F22 2) Specification: ANSI B16.48, API 6A, Norsork L005 NACE MR 0175, NACE MR 0103