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Raw Material
carbon steel 10#、20#、Q235A、20G、ASTM A234、ASTM A105   20GSA1068B   SA106C SA299   ST45.8/IIITU48C   A672B70CL32
alloy steel
12Cr1MoV、 A335P22、 A335P11、 A335P12、 15NiCuMoNB5、 A335P91、A182F91、Cr5Mo、12Cr1MoV、10CrMo910、15CrMo、12Cr2Mo1
Stainless Steel
302 304 306 306L
 
 
China:
,Tianjin Seamless Steel Pipe Co.,Ltd.
,Chengdu Seamless Steel Pipe Co.,Ltd.
 
Other Countries :
,Vallourec & Mannesmann Tubes
,Wyman-Gordon Company
 
   
   
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