The specification and appearance quality of the stainless steel pipe

1. According to the stainless steel seamless steel tube GB14975-94, stainless steel tube length (indefinite feet) hot-rolled steel pipe usually 1.5 ~ 10 m, hot extrusion stainless steel pipe is equal to and greater than 1 m. Cold drawing (rolling) stainless steel tube wall thickness 0.5 ~ 1.0 mm, 1.0 ~ 7 m; Wall thickness greater than 1.0 mm, 1.0 ~ 8 m.

 

2, the diameter of the hot rolled (hot extrusion) stainless steel pipe 54 to 480 a total of 45 mm; The wall thickness of 4.5 a total of 36 ~ 45 mm. The diameter of the cold drawing (rolling) stainless steel rod on a total of 65 ~ 200 mm; A total of 39 wall thickness 0.5 ~ 21 mm.

 

3, stainless steel tube inside and outside surface must not have crack, folded, crack, crack, rolling, delamination and scar defects exist, these defects shall be completely removed (except for machining tube), remove after more than negative deviation may not make the wall thickness and diameter. Whoever does not exceed the permitted other minor surface defects can not remove negative deviation.

 

4, straight to allow depth. Hot rolled stainless steel tube, hot extrusion, less than and equal to 140 mm diameter is not more than 5% of nominal wall thickness, maximum depth is not greater than 0.5 mm; Cold drawing (rolling) stainless steel pipe is not more than 4% of nominal wall thickness, maximum depth is not greater than 0.3 mm.

 

5, stainless steel pipe ends shall be cut at right angles, and remove burrs.

 

TypeInfo: Wonderful Wuxi Precision Steel Pipe

 

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