Stainless steel pipe with the development of social economy and social development needs, their application has got more and more wide popularity. Different types of field demand stainless steel is different, basically is may, in accordance with the two aspects, one is to stainless steel classification according to the production methods to give class, 2 it is in accordance with stainless steel cross-section shape to classification, how widely applied in various fields will bring brand-new change. Below are introduced respectively in accordance with the above two ways classification:
1, according to production method classification
(1) seamless steel tube, cold - hot-rolled detubation, extruding tube, pipe-jacking, cold rolling tube,
(2) welded pipe
(a) the technique points - electric arc welding tubes, resistance welded pipe (high frequency and low frequency) and geo-drilling tube, furnace tube welding
(b) according to weld straight points - seam welded pipe, spiral welded pipe
2, according to the cross-section shape classification
(1) simple section steel tube - round steel tube, square, triangle oval steel, steel tube, hexagon steel tube, lozenge steel tube, octagonal steel tube, hemicycle steel round, other
(2) complex profile steel tube -- not equilateral hexagon steel tube, five disc plum flower form steel tube, double convex steel tube, double concave shape steel tube, melon seeds, the cone tube, corrugated shape steel tube, atlas steel tube, other
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