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Standard Classification of steel pipes

August 29, 2018

Classification of steel pipes:

1. Classification according to production methods (1) Seamless pipe - hot rolled pipe, cold rolled pipe, cold drawn pipe, extruded pipe, top pipe (2) welded pipe (a) According to the process - arc welded pipe, electric resistance welded pipe ( High frequency, low frequency), gas welded pipe, furnace welded pipe (b) by weld seam - straight seam welded pipe, spiral welded pipe

2, according to the shape of the section classification (1) simple section steel pipe - round steel pipe, square steel pipe, elliptical steel pipe, triangular steel pipe, hexagonal steel pipe, diamond steel pipe, octagonal steel pipe, semi-circular steel circle, other (2) complex Section steel pipe - unequal hexagonal steel pipe, five-petal plum-shaped steel pipe, double convex steel pipe, double concave steel pipe, melon-shaped steel pipe, conical steel pipe, corrugated steel pipe, case steel pipe, others

3. Classification by wall thickness - thin-walled steel pipe, thick-walled steel pipe 4, classified by use - steel pipe for pipeline, steel pipe for thermal equipment, steel pipe for machinery industry, petroleum, geological drilling steel pipe, container steel pipe, chemical industry Steel pipe, special purpose steel pipe, other



A182 F91 forged pipe


26219307_175572229857860_8238710034280442060_n


26167541_175572226524527_4421219048308999515_n


21105858_112898432761872_344271123865084184_n

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