Cov ntaub ntawv ua lus Askiv
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ASTM A513 Cov Lus Qhia Tshwj Xeeb
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API SPECIFICATION 5CT TENTH EDITION, Lub Xya hli ntuj 2018
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API SPECIFICATION 5L FORTY-SIXTH EDITION, Plaub Hlis 2018
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ASTM A53 Txuj Specification rau Yeeb Nkab, Hlau, Dub thiab Kub-dipped, Zinc-coated, Welded Thiab Seamless
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ASTM A106 Standard Specification rau Seamless Carbon Steel Pipe rau Kev Pabcuam Kub Kub
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ASTM A179 SPECIFICATIONS FOR SEAMLESS COLD-DRAWN LOW-CARBON STEEL HEAT-EXCHANGER THIAB CONDENSER TUBES
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ASTM A210 SPECIFICATION FOR SEAMLESS MEDIUM-CARBON STEEL BOILER THIAB SUPERHEATTER Tubes
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ASTM A213 Txuj Specification rau Seamless Ferritic thiab Austenitic Alloy-Steel Boiler, Superheater, thiab Kub-Exchanger Tubes
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Sanon yeeb nkab loj qib - alloy yeeb nkab & carbon yeeb nkab
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ASTM A333 Txuj Specification rau Seamless thiab Welded Steel Yeeb Nkab rau Kev Pabcuam Kub Kub
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ASTM A450 Standard Specification rau General Requirements for Carbon thiab Low Alloy Steel Tubes
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ASTM A519 Txuj Specification rau Seamless Carbon thiab Alloy Steel Mechanical Tubing
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GB 3087 Seamless Steel Tubes Rau Tsawg Thiab Nruab Nrab Siab Boilers
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JIS G3454 Carbon Steel Pipes Rau Kev Pabcuam Siab
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GB / T 8163 Seamless Steel Tubes Rau Kev Pabcuam Ua Kua
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GB 5310 Seamless Steel Tubes Rau Kev Kub Siab Boilers
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GB 6479 Seamless Steel Tubes Rau Siab Siab Rau Cov Khoom Siv Tshuaj Siv Tshuaj
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TS EN 10216-1 Seamless Steel Tubes Rau Lub Hom Phiaj Siab-Technical Delivery Conditions-Part 1
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TS EN 10216-2 Seamless Steel Tubes Rau Lub Hom Phiaj Siab-Technical Delivery Conditions-Tshooj 2
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JIS G 3456 Carbon Steel Pipes Rau Kev Pabcuam Kub Kub
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JIS G 3462 Alloy Steel Tubes Rau Boiler Thiab Kub Exchanger
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JIS G 3455 Carbon Steel Pipes Rau Kev Pabcuam Siab