管道
日期:2020-07-22 / 人氣: / 來(lái)源:未知
ASTM A335-P1,P2,P5,P9,P11,P12,P22,P23,P91,P92 |
ASTM A106-Grade A, Grade B, Grade C |
ASTM A333- Grade 1, Grade 3, Grade 6, Grade 7, Grade 8, Grade 9 |
ASTM A671-CC60,CC65,CC70 |
ASTM A672-C55,C60,C65,C70 |
ASTM A691-1/2 Cr, 1 Cr, 1 1/4 Cr, 2 1/4Cr, 3Cr, 5Cr, 9Cr |
作者:admin