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stainless steel coil

310S cold tolled stainless steel coil

About 310S material:

310S stainless steel is austenitic chrome-nickel stainless steel, 310S stainless steel with good oxidation resistance,Corrosive, because a higher percentage of chromium and nickel, so has much better creep strength at high temperature continuous operation, has good temperature resistance. Because of nickel (Ni), chromium (Cr) content is high, with good resistance to oxidation, corrosion, acid and alkali, high temperature performance, high temperature steel pipe dedicated to the manufacture of electric furnace and other occasions, austenitic stainless steel increased carbon after content, because of its solid solution strengthening effect of the strength is improved, the chemical composition of austenitic stainless steel is based on chromium, nickel-based add molybdenum, tungsten, niobium and titanium and other elements, because of its organization for the face-centered cubic structure, thus high strength at elevated temperatures and creep strength. Melting point 1470 ℃, 800 ℃ begins to soften, allowable stress continues to decrease.310S SS is Widely used in stamping dies, jigs, tools, gauges, cutter, auxiliary tools.

310S Chemical compostion

C(%)Si(%)Mn(%)Cr(%)P(%)S(%)Mo(%)Ni(%)Cu(%)
≤0.08≤1.00≤2.0024.0-26.0≤0.03≤0.03---19.0-22.0---

310S Mechanical property

抗拉强度(Mpa)
tensile strength
屈服强度(Mpa)
Yield Strength
伸长率(%)
Elongation
断面收缩率(%)
rate of reduction in area
密度(g/cm3)
Density
≥520≥205≥40≥507.98

Specification for 310S  SS grade

TechnicalThicknessWidthFinishStatus
Cold rolled0.40mm-3.00mmStandard width in China:
1000mm 1219mm 1500mm
Special width:
Based on customer's require.
2B  /No.4 / HL 
Mirro etc
sheet / plate / coil / strip
Hot rolled3.00mm-80.00mm 
or more thick
Standard width in China:
1219mm 1500mm 2000mm
Special width:
Based on customer's require.
No.1 plate / coil


The advantage and application for 310S material

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.

310S material is widely used in The exhaust pipe, steel pipe, heat treatment furnace, heat exchanger, incinerators and other requirements of heat resistance, high heat / high temperature contact parts.


Finish processing for 310S material

BA - excellent surface gloss, high reflectivity, as the mirror surface. Processing: hot rolling + annealing shot blasting pickling + cold rolling + annealing pickling + surface polishing + quenching and tempering rolling.

No.4 -No.4 finish has good gloss, surface is fine lines. Processing: 2D or 2B with 150~180 abrasive material (JIS R6002) for polishing and quenching and tempering rolling.

HL - This is a silver grey and striped hair. Processing technology: 2D products or 2B products with appropriate size of abrasive materials for polishing so that the surface was continuous abrasive.

Mirror - mirror state. Processing technology: 2D products or 2B products with appropriate size of abrasive materials for grinding to mirror effect.





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