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stainless steel coil

304 / 304L stainless steel coil

About 304 material and 304L material

304 stainless steel is one of the most widely used chromium nickel stainless steel [1], as a widely used steel, has good corrosion resistance, heat resistance, low temperature strength and mechanical characteristics;a density of 7.93 g / cm3, the industry alsoknown as 18/8 stainless steel. High temperature of 800 degrees, with good processing properties, high toughness characteristics, widely used in industrial and furniture industry and the medical industry food.

304L steel as a low C in the general state, its corrosion resistance and 304 similar, but after welding or stress after its excellent corrosion resistance to the grain boundary. In the case without heat treatment, can remain good corrosion resistance, generally use 400 or less (non-magnetic, temperature -196 degrees Celsius to 800 degrees Celsius). Widely used to produce good overall performance requirements (corrosion resistance and formability) of equipment and parts.


304 Chemical compostion

C(%)Si(%)Mn(%)Cr(%)P(%)S(%)N(%)Ni(%)Cu(%)
≤0.08≤1.0≤2.0018.0-22.0≤0.045≤0.03≤0.108.0-11.0---

304L Chemical compostion

C(%)Si(%)Mn(%)Cr(%)P(%)S(%)N(%)Ni(%)Cu(%)
≤0.03≤1.0≤2.0018.0-22.0≤0.045≤0.03≤0.108.0-11.0---


304 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≥607.93

304L Physical 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
≥485≥170≥40≥607.93


Specification for 304/304L SS grade

TechnicalThicknessWidthFinishStatus
Cold rolled0.30mm-6.00mmStandard width in China:
1000mm 1219mm 1500mm
Special width:
Based on customer's require.
2B / BA /No.4 / HL 
Mirro etc
sheet / plate / coil 
strip
Hot rolled3.00mm-80.00mm 
or more thick
Standard width in China:
1219mm 1500mm 1800mm 2000mm
Special width:
Based on customer's require.
No.1 plate / coil


The advantage for 304/304L material

1 Environmental Health: eliminate the red water, blue green water, and hidden water problems, no smell, keep water clean precipitate harmful substances, lead-free harmless to human health.

2 With beautiful surface clean and bright durable no scratches, never rust, never break. 3 low temperature: kitchen bathroom stainless steel pipe, faucet angle valve will never break.

4 thermal expansion performance and excellent insulation properties: stainless steel pipe with thermal insulation performance slowly.

5 authoritative certification: stainless steel metal element precipitation than WHO and European drinking water act standard value of 5% even lower.



Application 

304/304L Widely used in Washing machine inner cylinder, elevator decoration.Tableware, cupboard, indoor pipeline, water heater, boiler, bathtub.Auto parts (windshield wiper, muffler, mold).Medical equipment, building materials, chemicals, food industry, agriculture, ship parts, etc..


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