Tee Reducing ASME B16.9 BWxBW S-160xS-160 ASTM A 234 GR.WPB
三通 EQUAL TEE;ASME B16.9;ASTM A234GR.WPB;SMLS;BW;Sch
英语翻译Flanged Long Welding Neck,ASTM A-182 Gr.F304L ASME B16.5
ASTM A105 ASME B16.
法兰, RTJ, WN, 1 1/2", SCH.160, CL.2500#, ASTM A105, ASME B16.
一个管件的描述45 ELL LR,BW,304LSS ASTM A403-WP304L-S,ASME B16.9 S-4
PIPE,SMLS,BE,S-20,CS ASTM SA106 GR.B,ASME-B36.10M
PIPE ASTM A 106 GR.B,SMLS,BE.ASME B 36.10
M S SEAMLESS B/W ASTM-A234 WPB ANSI
Pipe,ASME B36.10M,BE,E.F.W.,ASTM A 671 GR.CC 65 CLASS 22 LOW
astm b16.5标准与asme b16.5标准有什么区别?急 astm b16.5的法兰标准哪有?
ASTM A-53 Gr B
美标钢管帮忙解释下ASME-XS DN150 CLS III,ASME B36.10,ASTM A106 GRB与 90