301, 304, 304L, 316, 316L, 309, 310S, 321 Stainless Steel Pipe/Tube
Bozhong Metal Group’s 301 ,304 ,304L ,316 ,316L ,309 ,310S ,321 Stainless Steel Pipe are more and more popular at home and abroad which has low cost , high quality and convenient
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  • Parameter
300 series of stainless steel are used widely, most of them have a strength of corrosion resistance, heat resistance and a good chemical performance.

Specification
Grade 301 ,304 ,304L ,316 ,316L ,309 S,310 ,321
Standardl ASTM A240, JIS G4304, G4305, GB/T 4237, GB/T 8165, BS 1449, DIN17460, DIN 17441
Thickness 0.2-10.0mm
Width 600mm min
Length 2000mm-8000mm or as customers' request
Surface NO1,No.4,2B, BA, 6K, 8K, Hair Line with PVC

Chemical Composition
Grade C Si n P≤ S≤ Cr Mo Ni Other
301 ≤0.15 ≤1.00 ≤2.00 0.045 0.03 16-18 - 6.0 -
304 ≤0.07 ≤1.00 ≤2.00 0.035 0.03 17-19 - 8.0 -
304L ≤0.075 ≤1.00 ≤2.00 0.045 0.03 17-19 - 8.0
309S ≤0.08 ≤1.00 ≤2.00 0.045 0.03 22-24 - 12.0 -
310 ≤0.08 ≤1.5 ≤2.00 0.045 0.03 24-26 - 19.0 -
316 ≤0.08 ≤1.00 ≤2.00 0.045 0.03 16-18.5 2 10.0 -
316L ≤0.03 ≤1.00 ≤2.00 0.045 0.03 16-18 2 10.0 -
321 ≤0.12 ≤1.00 ≤2.00 0.045 0.03 17-19 - 9.0 Ti≥5×C

Mechanical Properties
Grade YS(Mpa) ≥ TS (Mpa) ≥ El (%) ≥ Hardness(HV) ≤
301 200 520 40 180
304 200 520 50 165-175
304L 175 480 50 180
309S 200 520 40 180
310 200 520 40 180
316 200 520 50 180
316L 200 480 50 180
321 200 520 40 180

Our company also has our own advanced testing equipment,which can make physical testing and chemical analysis including spectral  analysis,metallographic analysis,ultrasonic testing, hardnesss testing,impact testing, bending testing, tensile testing in room tempreature and high tempreature etc.

Only yhe qualified products can be shipped to our clients.



Our quality control system as belows:

Raw material: chemical composition

Ingots: chemical composition

Forgings: UT/PT

Cold rolling: Size/ surface

Finish Goods: Mechanical properties/ CMTR/ Metallographic



Application
Oil & Gas
Food Service/Restaurant
Motorsports
Government/Military
Pumps & Valves
Machined Fabricated Components
Power Distribution
Fabricators
Aerospace
Metal Service Centers
Nuclear
Marine/Shipbuilding
Chemical Processing


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