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ASTM API 5L X65 Seamless and Welding Steel Pipe/Tube ASTM API 5L X65 seamless and welding Steel pipe/tube applications: construction, fence, greenhouse pipe, roller shutter doors, light gauge steel, tube, furniture, sports equipment, tents, guard rails, decoration, highway, steel structure engineering, gas/oil/water transportation and other industries. The mechanical properties steel […]

ASTM API 5L X70 Seamless and Welding Steel Pipe/Tube ASTM API 5L X70 seamless and welding pipe/tube use for petroleum/ natural gas pipeline, for conveying water, drainage, coal gas, mineral slurry and other low middle pressure liquids. Also API 5L X70 can used for chemical industry, building structure, heat-supply and […]

JIS G3444 STK500 steel tube/pipe, seamless steel tubes/pipes and welded steel tubes/pipes JIS G3444 is the standard of carbon steel tubes for general structural purposes, STK500 steel tubes/pipes used for civil engineering, architecture, steel towers, scaffoldings, struts, piles for suppression of landslide and other structures.

JIS G3444 STK540 steel tube/pipe, seamless steel tubes/pipes and welded steel tubes/pipes JIS G3444 is the standard of carbon steel tubes for general structural purposes, STK540 steel tubes/pipes used for civil engineering, architecture, steel towers, scaffoldings, struts, piles for suppression of landslide and other structures.

JIS G3445 Carbon steel tubes/pipes for machine structural purposes This Japanese Industrial Standard specifies the carbon steel tubes, hereinafter to as the “tubes”, used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.

JIS G3461 STB 410 steel tube/pipe JIS G3461 STB 410 used for exchanger heat on inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes, etc. of the boiler, and heat exchanger tubes, condenser tubes, catalyser tubes, etc. used in chemical and petroleum […]

JIS G3461 STB 510 steel tube/pipe JIS G3461 STB 510 used for exchanger heat on inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes, etc. of the boiler, and heat exchanger tubes, condenser tubes, catalyser tubes, etc. used in chemical and petroleum […]

DIN 2458 Standard applies to the dimensions and the conventional masses per unit length of welded steel pipes according to the technical conditions of delivery as stipulated in DIN 1628 Part 1 to part 4, DIN 17172 and DIN 17177. St37.2 welded pipe also applies to other technical conditions of […]