Welded ERW Hlau Yeeb Nkab
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ASTM A500 GR.C ERW Cov Yeeb Nkab Hlau - Cov Yeeb Nkab Muaj Zog Siab Rau Cov Ntawv Thov Hnyav
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ASTM A500 GR.A ERW Cov Yeeb Nkab Hlau - Lub Teeb Ua Haujlwm Tsim Kho Tubing rau Kev Siv Dav Dav
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ASTM A252 GR.2 ERW Cov Yeeb Nkab Hlau - Cov Yeeb Nkab Hlau Muaj Zog Nruab Nrab rau Kev Tsim Kho Lub Hauv Paus thiab Kev Tsim Kho Tsev
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ASTM A252 GR.1 ERW Cov Yeeb Nkab Hlau - Cov Yeeb Nkab Hlau Pheej Yig rau Cov Ntawv Thov Lub Hauv Paus Teeb
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ASTM A178 GR.A ERW Steel Pipe - Fais Fab Tiv Thaiv Welded Boiler Tube rau Kev Pabcuam Siab
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ASTM A53 GR.B ERW Cov Yeeb Nkab Hlau - Tus Txheej Txheem Kev Lag Luam rau Cov Yeeb Nkab Dav Dav & Cov Ntawv Thov Qauv
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ASTM A53 GR.A ERW Cov Yeeb Nkab Hlau - Cov Yeeb Nkab Siv Dav Dav rau Kev Siv Siab thiab Kev Siv Qauv
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ASNZS 1163 C350L0 ERW Cov Yeeb Nkab Hlau - Cov Khoom Siv Kho Kom Txias Rau Kev Tsim Kho Australian & New Zealand
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ASNZS 1163 C350 ERW Cov Yeeb Nkab Hlau - Lub Zog Siab Cov Qauv Hollow Seem rau Kev Tsim Kho Hnyav