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1、Material:: Q345C/D/E--Z15/Z25/Z35 S355-J0/J2/K2/NL 2、Table of Standard comparis...
Standard ASTM, BS, JIS, DIN,GB Steel Grade ASTM A53,A36,API 5CT,DIN 1626,BS EN10025 ...
ERW/LSAW WELDED STEEL PIPES manufacturer Hebei Xingfeng Steel Pipes can supply ERW(e...