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api pipeline steel pipe
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...steel pipes are divided into cold-dip galvanized steel pipes and hot-dip galvanized steel pipes. Cold-dip galvanized steel pipes have been banned, ...
2025-07-23 00:21:49
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... round pipes and galvanized square rectangular pipes. Both the substrate and the coating are combined. Hot-dip galvanizing is to pickle the steel ...
2025-07-23 00:21:49
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...Steel Q235 Q195 S355 Hot Dipped Galvanized Round Pipe Product Description Product Description Zhengde Galvanized steel pipes are divided into cold...
2025-07-23 00:21:49
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...Steel Pipe Rectangular Pip Product Description Product Description Zhengde Galvanized steel pipes are divided into cold-galvanized pipes and hot...
2025-07-23 00:21:49
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... round pipes and galvanized square rectangular pipes. Both the substrate and the coating are combined. Hot-dip galvanizing is to pickle the steel ...
2025-04-09 12:31:38
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... round pipes and galvanized square rectangular pipes. Both the substrate and the coating are combined. Hot-dip galvanizing is to pickle the steel ...
2025-04-09 12:31:46
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... round pipes and galvanized square rectangular pipes. Both the substrate and the coating are combined. Hot-dip galvanizing is to pickle the steel ...
2025-04-09 12:31:47
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... round pipes and galvanized square rectangular pipes. Both the substrate and the coating are combined. Hot-dip galvanizing is to pickle the steel ...
2025-07-23 00:21:49
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... round pipes and galvanized square rectangular pipes. Both the substrate and the coating are combined. Hot-dip galvanizing is to pickle the steel ...
2025-07-23 00:21:49
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..., natural gas, gas, water, and certain solid materials. Compared with solid steel such as round steel, the steel pipe is lighter in weight when the ...
2025-04-09 12:28:59
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