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stainless steel seamless pipe

310S stainelss steel seamless pipe

About 310S  stainless seamless steel pipe

310S stainless steel seamless pipe, commonly known as the 2520, the content of CR index is 25, the content of NI index is 20, it has 2520, oxidation resistance, corrosion resistance is very good.

310S is the austenitic chromium nickel stainless steel has good oxidation resistance, corrosion resistance, because the higher percentage of chromium and nickel, 310S has much better creep strength, can continuously work under high temperature, good heat resistance.


Production process of stainless seamless steel pipe 

Production for Hot rolling technical

Prepare Round billet,Heating raw material,With the punch for punch

Three roll skew rolling,continuous rolling or extrusion,Off set size

cooling the tube,Pipe Straightening,Hydrostatic test

Marking,storage

Production for cold rolling technical

Prepare Round billet,Heating raw material,With the punch for punch

Processing pipe head,Annealing for pipe,Pickling for pipe to into the bright finish

Oil (copper) for pipe,Multi pass rolling,Then into Blank tube,Heat treatment,Pipe Straightening

Marking,storage


310S Chemical compostion 

310SCMnPSSiNCrNiMo
%0.082.000.030.031.50024.0-26.019.0-22.0‘---’

310S Physical property

310Stensile strength(Mpa)Yield Strength(Mpa)Elongation(%)
≥520≥205≥40

The advantage of 310S seamless pipe

Good oxidation resistance;

The use of a wide range of temperature (1150 DEG C);

No magnetism in solid solution state;

High temperature strength;

Good welding ability.



Application for 310S seamless pipe 

310S Seamless with wide usage in oue daily life.Such as Drinking water system, hot water system and the safety and sanitation in the first water supply system, building water supply pipe etc filed.

More widely used in aviation field, boiler manufacturing tube, heat exchanger, petroleum, chemical industry, industrial pipe, machinery.

Industrial sewage treatment pipe

Industrial water heat exchanger containing hydrogen chloride, condensation container

Industrial water heat exchanger containing sulfide hydrogen, condensing container





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