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stainless steel rectangular pipe

201 stainless steel rectangular pipe

About 201 stainless steel rectangular pipe

201 rectangular pipe is a hollow square section of light thin-walled steel pipe, also known as steel cold section. It is rolled or cold-rolled strip or sheet for the parent material by the cold bending process after welding steel made of square cross section shape and size of the high-frequency. Hot rolled special thick wall thickening in addition to the exception, the corner edge size and flatness are achieved even more than the level of resistance to cold forming tube.



About Stainless steel rectangular tube

The rectangular tube is a hollow steel strip, also known as flat tube, flat square tube or flat tube (Gu Mingsiyi). 

When the bending and torsional strength are the same, the weight is light, so it is widely used in the manufacture of mechanical parts and engineering structures.


Commonly used size for stainless steel rectangular pipe

50x70x1.50-5.0060x140x3.00-6.00150x250x5.00-14.00
50x80x2.00-5.0080x100x2.00-8.00150x300x5.00-14.00
50x100x1.50-5.0080x120x2.50-8.00200x300x6.00-14.00
50x120x3.00-6.0080x140x3.00-8.00200x350x6.00-16.00
50x150x3.00-6.0080x160x3.00-8.00200x400x6.00-16.00
50x90x3.00-4.00100x150x3.00-12.00200x500x6.00-16.00
60x80x2.00-5.00100x200x3.00-12.00300x500x6.00-16.00
60x100x2.50-6.00100x300x4.00-12.00350x250x5.00-14.00
60x120x2.50-6.00150x200x3.00-12.00400x600x6.00-16.00

Classification for 201 rectangular pipe

Divided into seamless and welded steel pipe (tube)

Hot rolled seamless tube, seamless tube, seamless tube, welded tube extrusion.

The welding pipe is divided into:

(a) according to the process of arc welding - resistance welding tube, square tube 

(high frequency and low frequency), welding square tube, welded tube

(b) according to the weld - welded square tube, spiral welded pipe


Application

Widely used in construction, machinery manufacturing, shipbuilding, steel construction 

projects, solar power support, steel structure engineering, power engineering, power plant, agricultural and chemical machinery, glass curtain wall, car chassis, airport etc..


Chemical compostion

C(%)Si(%)Mn(%)Cr(%)P(%)S(%)N(%)Ni(%)Cu(%)
≤0.15≤0.755.50-7.5016.0-18.0≤0.06≤0.03≤0.25≤1.000.80-1.50

Mechanical property

tensile strength
(Mpa)
Yield Strength
(Mpa)
Elongation
(%)
52027550-60


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