| Specification | Chilled water pipe: Steam/condensate pipe; Oil and gas pipe: Fire fighting pipe; 3PE Coating: 3PP Coating; ASTM A53 Gr.B: Black and hot-dipped zinc-coated steel pipes welded and seamless; ASTM A106 Gr.B: Seamless carbon steel for high temperature service; ASTM SA179: Seamless cold-drawn low-carbon steel heat exchanger and condenser tubes; ASTM SA192: Seamless carbon steel boiler tubes for high pressure; ASTM SA210: Seamless Medium-carbon boiler and superheater tubes; ASTM A213: Seamless alloy-st |
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