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304 Stainless Steel Pipe Tube

304 Stainless Steel Pipe Tube

1.Specification: ASTM A312,ASME SA312
2.Size:TH:6 mm-120 mm; Length:5.8m / 6 m or customer requirements
Diameter:6 mm -230 mm,large diameter,100 mm diameter,2 inch
3.Surface:Mirror Polish,Satin Polish,Without Polish,NO.1,NO.4,bright finish

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304 Stainless Steel Pipe Tube


       300 series of austenitic stainless steel are used widely, most of them have a strength of corrosion resistance, heat resistance and a good chemical performance. 304 grades of stainless steel pipe tube exhibit good machinability and have good welding ability with or without the addition of filler metals.


Specification


Grade

301 ,304 ,304L ,316 ,316L ,309 S,310 ,321

Standard

ASTM A312/ ASME SA312

Thickness

6mm-120mm or customers' request

Out diameter

6 mm -230 mm,large diameter, 100mm diameter,2 inch

Length

5.8m,6m or as customers' request

Surface

Mirror Polish,Satin Polish,Without Polish,NO.1,NO.4,bright finish

 

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 the 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

 

304不锈钢详情图.jpg



Applications: 


· 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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