2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe

Short Description:


Product Detail

Product Tags

Related Video

Feedback (2)

Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for Stainless Steel Seamless Coil Tubing , 316ti Stainless Steel Pipe/Tube , 316 316l Stainless Steel Tube , Our products are new and old customers consistent recognition and trust. We welcome new and old customers to contact us for future business relations, common development. Let's speeding in the dark!
2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe Detail:

Stainless Steel coil products:

stainless steel coil tube
stainless steel tube coil
stainless steel coil tubing
stainless steel coil pipe
stainless steel coil tube suppliers
stainless steel coil tube manufacturers
stainless steel pipe coil

JIS DIN 304 Stainless steel Precision pipe

Stainless steel pipe is one of the more standardized materials in the building and engineering industries. Stainless Steel Seamless Pipes is a hollow steel bar, a large number of pipes used for conveying fluids, such as oil, gas, water, gas, steam,heat exchanger,mechanical machine.

Specification:

stainless steel coil tube
stainless steel tube coil
stainless steel coil tubing
stainless steel coil pipe
stainless steel coil tube suppliers
stainless steel coil tube manufacturers
stainless steel pipe coil

Standard:ASTM A-312、ASTM A-269、ASTM A-632、ASTM A-213,DIN 17458、DIN17456  JIS G3463、JIS G3459、JIS G3448

Material Grade:201/202/304/316

Outer Diameter:0.1mm–8mm

Thickness:0.05mm – 2.1mm

Length:2440mm, 3050mm, 5800mm, 6000mm, 6100mm or as customer request

Tolerance:a) Outer Diameter:  +/- 0.2mm

b) Thickness: +/- 10% OR   as customer request

c) Length: +/- 10mm

Surface:Satin / Hairline :180#, 320#

Polish : 400# ,600# ,800# or  Mirror surface

Application:Processed into  railings, handrails, doors and Windows

PACKING

Plastic bag  / woven packing(please send details packing to us if you have other requirements )

Chemical composition

Grade

C(Max)

Mn(Max)

P(Max)

S(Max)

Si(Max)

Cr

Ni

Mo

N(Max)

Cu/Others

304

0.08

2

0.045

0.03

1

18.00-20.00

8.00-10.50

-

0.1

-

304L

0.03

2

0.045

0.03

1

18.00-20.00

8.00-12.00

-

0.1

-

310S

0.08

2

0.045

0.03

1.5

24.00-26.00

19.00-22.00

-

-

-

316

0.08

2

0.045

0.03

1

16.00-18.00

10.00-14.00

2.00-3.00

-

-

316L

0.03

2

0.045

0.03

1

16.00-18.00

10.00-14.00

2.00-3.00

0.1

-

Element 201 202 304 316 S31803 S32750

C ≤0.15 ≤0.15 ≤0.08 ≤0.08 ≤0.030 ≤0.030

Si ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤1.00 ≤0.80

Mn 5.5-7.5 7.5-10.0 ≤2.00 ≤2.00 ≤2.00 ≤1.20

P ≤0.060 ≤0.060 ≤0.045 ≤0.045 ≤0.030 ≤0.035

S ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.020 ≤0.020

Cr 16-18 17-19 18-20 16-18 21-23 21-23

Ni 3.5-5.5 4.0-6.0 42958 43022 4.5-6.5 6.0-8.0

Mo       2.0-3.0 2.5-3.5 3.0-5.0

N ≤0.25 ≤0.25     0.08-0.2 0.24-0.32

Cu           ≤0.50

Mechanical properties

Material Item 201 202 304 316 S31803 S32750

Tensile Strength (MPa) ≥655 ≥620 ≥515 ≥515 ≥620 ≥800

Yield Strength (MPa) ≥260 ≥310 ≥205 ≥205 ≥450 ≥550

Elongation (%) ≥35 ≥35 ≥35 ≥35 ≥25 ≥15

Hardness (HV) ≤230 ≤230 ≤200 ≤200 ≤303 ≤323

Other Requirement

Marking: material grade, standard, specification, heat no.

Surface Treatment: Bright annealed, polished outside and inside surface.

Package: knitting strip bundle, wooden box or steel box

Mill test certificate: according to EN 10204 3.2

Inspection: Third party inspection, or by clints

Company Description:

Our company has three production line of stainless steel coiled tube ,stainless steel pipe ,we have exporting experience for more than ten years ,the bending, stretching, saw cutting, stamping, polishing and so on a series of processing equipment , our stainless steel product widely used in bathroom pendant, hanger accessories, hardware, and condensation water heating equipment, hotel supplies and so on. our company sincerely hope that domestic and foreign customers to provide drawings or samples.

If you want to know more details about the stainless steel pipe/tube,please contact us.

Square Steel Tube(mm) Rectangular Steel Tube
(mm)
Round Steel Tube
(mm)
10×10×0.6~3.0 10×20×0.6~3.0 6×0.6~1.0
15×15×0.6~3.0 20×30×0.6~3.0 12×0.6~1.5
20×20×0.6~3.0 20×40×0.6~3.0 13×0.6~1.5
25×25×0.6~3.0 25×50×0.6~3.5 16×0.6~2.0
30×30×0.6~3.5 30×50×0.6~3.5 19×0.6~3.0
40×40×0.6~3.5 40×60×0.6~3.5 20×0.6~3.0
50×50×0.6~3.5 40×80×0.6~3.5 22×0.6~3.0
60×60×0.6~3.5 60×80×1.0~6.0 25×0.6~3.0
70×70×0.6~3.5 50×100×1.0~6.0 27×0.6~3.0
75×75×0.6~3.5 60×120×1.0~6.0 32×0.6~3.0
80×80×1.0~6.0 80×120×2.0~8.0 40×0.6~3.5
100×100×2.0~8.0 80×160×2.0~8.0 38×0.6~3.0
120×120×2.0~8.0 100×150×2.0~8.0 48×0.6~3.5
150×150×2.0~8.0 100×200×2.0~8.0 60×0.6~3.5
200×200×4.0~16.0 150×250×4.0~12.0 76×0.6~3.5
250×250×4.0~16.0 200×300×4.0~16.0 89×1.0~6.0
300×300×4.0~16.0 300×400×4.0~16.0 104×1.0~6.0
400×400×4.0~16.0 300×500×4.0~16.0 114×1.0~6.0

The physical properties of stainless steel polishing pipe:

Grade

Composition, %

Carbon,
max

Manga-
nese,
max

Phos-
phorus,
max

Sulfur,
max

Silicon,
max

Nickel

Chromium

Molybdenum

Titanium

Columbium + Tantalum

Austenitic
301

0.15

2.00

0.040

0.030

1.00

6.0–8.0

16.0–18.0

302

0.15

2.00

0.040

0.030

1.00

8.0–10.0

17.0–19.0

304

0.08

2.00

0.040

0.030

1.00

8.0–11.0

18.0–20.0

304L

0.035A

2.00

0.040

0.030

1.00

8.0–13.0

18.0–20.0

305

0.12

2.00

0.040

0.030

1.00

10.0–13.0

17.0–19.0

309S

0.08

2.00

0.040

0.030

1.00

12.0–15.0

22.0–24.0

. . .

309S-Cb

0.08

2.00

0.040

0.030

1.00

12.0–15.0

22.0–24.0

B

310S

0.08

2.00

0.040

0.030

1.00

19.0–22.0

24.0–26.0

316

0.08

2.00

0.040

0.030

1.00

10.0–14.0

16.0–18.0

2.0–3.0

316L

0.035A

2.00

0.040

0.030

1.00

10.0–15.0

16.0–18.0

2.0–3.0

317

0.08

2.00

0.040

0.030

1.00

11.0–14.0

18.0–20.0

3.0–4.0

321

0.08

2.00

0.040

0.030

1.00

9.0–13.0

17.0–20.0

C

330

0.15

2.00

0.040

0.030

1.00

33.0–36.0

14.0–16.0

347

0.08

2.00

0.040

0.030

1.00

9.0–13.0

17.0–20.0

B

429

0.12

1.00

0.040

0.030

1.00

0.50 max

14.0–16.0

430

0.12

1.00

0.040

0.030

1.00

0.50 max

16.0–18.0

430-Ti

0.10

1.00

0.040

0.030

1.00

0.075 max

16.0–19.5

5 × C min,

0.75 max

 

Stainless steel coiled tubing /coiled tubes material grade:

 U.S.A.

 GERMANY

GERMANY

 FRANCE

JAPAN

 ITALY

SWEDEN

 U.K.

E.U.

 SPAIN

 RUSSIA

AISI

DIN 17006

W.N. 17007

AFNOR

JIS

 UNI

SIS

BSI

EURONORM

201

SUS 201

301

 X 12 CrNi 17 7

1.4310

 Z 12 CN 17-07

SUS 301

X 12 CrNi 1707

 23 31

 301S21

 X 12 CrNi 17 7

 X 12 CrNi 17-07

302

 X 5 CrNi 18 7

1.4319

 Z 10 CN 18-09

SUS 302

 X 10 CrNi 1809

 23 31

 302S25

 X 10 CrNi 18 9

 X 10 CrNi 18-09

 12KH18N9

303

 X 10 CrNiS 18 9

 1.4305

 Z 10 CNF 18-09

SUS 303

 X 10 CrNiS 1809

 23 46

 303S21

 X 10 CrNiS 18 9

 X 10 CrNiS 18-09

303 Se

 Z 10 CNF 18-09

SUS 303 Se

 X 10 CrNiS 1809

 303S41

 X 10 CrNiS 18-09

 12KH18N10E

304

 X 5 CrNi 18 10

X 5 CrNi 18 12

1.4301

1.4303

 Z 6 CN 18-09

SUS 304

 X 5 CrNi 1810

 23 32

 304S15

 304S16

  X 6 CrNi 18 10

   X 6 CrNi 19-10

 08KH18N10

06KH18N11

304 N

SUS 304N1

 X 5 CrNiN 1810

304 H

SUS F 304H

 X 8 CrNi 1910

 X 6 CrNi 19-10

304 L

 X 2 CrNi 18 11

 1.4306

 Z 2 CN 18-10

SUS 304L

 X 2 CrNi 1911

 23 52

304S11

 X 3 CrNi 18 10

 X 2 CrNi 19-10

 03KH18N11

 X 2 CrNiN 18 10

 1.4311

 Z 2 CN 18-10-Az

SUS 304LN

 X 2 CrNiN 1811

 23 71

305

 Z 8 CN 18-12

SUS 305

 X 8 CrNi 1812

 23 33

 305S19

 X 8 CrNi 18 12

 X 8 CrNi 18-12

 Z 6 CNU 18-10

SUS XM7

 X 6 CrNiCu 18 10 4 Kd

309

 X 15 CrNiS 20 12

 1.4828

 Z 15 CN 24-13

SUH 309

 X 16 CrNi 2314

 309S24

 X 15 CrNi 23 13

309 S

SUS 309S

 X 6 CrNi 2314

 X 6 CrNi 22 13

310

 X 12 CrNi 25 21

 1.4845

SUH 310

 X 22 CrNi 2520

 310S24

 20KH23N18

310 S

 X 12 CrNi 25 20

 1.4842

 Z 12 CN 25-20

SUS 310S

 X 5 CrNi 2520

 23 61

 X 6 CrNi 25 20

 10KH23N18

314

 X 15 CrNiSi 25 20

 1.4841

 Z 12 CNS 25-20

 X 16 CrNiSi 2520

 X 15 CrNiSi 25 20

 20KH25N20S2

316

 X 5 CrNiMo 17 12 2

 1.4401

 Z 6 CND 17-11

SUS 316

 X 5 CrNiMo 1712

 23 47

 316S31

 X 6 CrNiMo 17 12 2

 X 6 CrNiMo 17-12-03

316

 X 5 CrNiMo 17 13 3

 1.4436

 Z 6 CND 17-12

SUS 316

 X 5 CrNiMo 1713

 23 43

 316S33

 X 6 CrNiMo 17 13 3

 X 6 CrNiMo 17-12-03

316 F

 X 12 CrNiMoS 18 11

 1.4427

316 N

SUS 316N

316 H

SUS F 316H

 X 8 CrNiMo 1712

 X 5 CrNiMo 17-12

316 H

 X 8 CrNiMo 1713

 X 6 CrNiMo 17-12-03

316 L

 X 2 CrNiMo 17 13 2

 1.4404

 Z 2 CND 17-12

SUS 316L

 X 2 CrNiMo 1712

 23 48

 316S11

 X 3 CrNiMo 17 12 2

 X 2 CrNiMo 17-12-03

 03KH17N14M2

 X 2 CrNiMoN 17 12 2

 1.4406

 Z 2 CND 17-12-Az

SUS 316LN

 X 2 CrNiMoN 1712

316 L

 X 2 CrNiMo 18 14 3

 1.4435

 Z 2 CND 17-13

 X 2 CrNiMo 1713

 23 53

 316S13

 X 3 CrNiMo 17 13 3

 X 2 CrNiMo 17-12-03

 03KH16N15M3

 X 2 CrNiMoN 17 13 3

 1.4429

 Z 2 CND 17-13-Az

 X 2 CrNiMoN 1713

 23 75

 X 6 CrNiMoTi 17 12 2

 1.4571

 Z6 CNDT 17-12

 X 6 CrNiMoTi 1712

 23 50

 320S31

 X 6 CrNiMoTi 17 12 2

 X 6 CrNiMoTi 17-12-03

 08KH17N13M2T

10KH17N13M2T

 X 10 CrNiMoTi 18 12

 1.4573

 X 6 CrNiMoTi 1713

 320S33

 X 6 CrNiMoTI 17 13 3

 X 6 CrNiMoTi 17-12-03

 08KH17N13M2T

10KH17N13M2T

 X 6 CrNiMoNb 17 12 2

 1.4580

 Z 6 CNDNb 17-12

 X 6 CrNiMoNb 1712

 X 6 CrNiMoNb 17 12 2

 08KH16N13M2B

 X 10 CrNiMoNb 18 12

 1.4583

X 6 CrNiMoNb 1713

 X 6 CrNiMoNb 17 13 3

 09KH16N15M3B

317

SUS 317

 X 5 CrNiMo 1815

 23 66

 317S16

317 L

 X 2 CrNiMo 18 16 4

 1.4438

 Z 2 CND 19-15

SUS 317L

 X 2 CrNiMo 1815

 23 67

 317S12

 X 3 CrNiMo 18 16 4

317 L

 X 2 CrNiMo 18 16 4

 1.4438

 Z 2 CND 19-15

SUS 317L

 X 2 CrNiMo 1816

 23 67

 317S12

 X 3 CrNiMo 18 16 4

 330

X 12 NiCrSi 36 16

1.4864

Z 12NCS 35-16

SUH 330

321

 X 6 CrNiTi 18 10

X 12 CrNiTi 18 9

 1.4541

 1.4878

 Z 6 CNT 18-10

SUS 321

 X 6 CrNiTi 1811

 23 37

 321S31

 X 6 CrNiTi 18 10

 X 6 CrNiTi 18-11

 08KH18N10T

321 H

SUS 321H

 X 8 CrNiTi 1811

 321S20

 X 7 CrNiTi 18-11

 12KH18N10T

329

 X 8 CrNiMo 27 5

 1.4460

SUS 329J1

 23 24

347

 X 6 CrNiNb 18 10

 1.4550

 Z 6 CNNb 18-10

SUS 347

 X 6 CrNiNb 1811

 23 38

 347S31

 X 6 CrNiNb 18 10

 X 6 CrNiNb 18-11

 08KH18N12B

347 H

SUS F 347H

 X 8 CrNiNb 1811

 X 7 CrNiNb 18-11

904L

1.4939

Z 12 CNDV 12-02

 X 20 CrNiSi 25 4

 1.4821

UNS31803

 X 2 CrNiMoN 22 5

 1.4462

UNS32760

X 3 CrNiMoN 25 7

1.4501

Z 3 CND 25-06Az

403

 X 6 Cr 13

X 10 Cr 13

X 15 Cr 13

 1.4000

 1.4006

 1.4024

 Z 12 C 13

SUS 403

 X 12 Cr 13

 23 02

 403S17

 X 10 Cr 13

X 12 Cr 13

 X 6 Cr 13

 12Kh13

405

 X 6 CrAl 13

1.4002

 Z 6 CA 13

SUS 405

 X 6 CrAl 13

 405S17

 X 6 CrAl 13

 X 6 CrAl 13

 X 10 CrAl 7

 1.4713

 Z 8 CA 7

 X 10 CrAl 7

 X 10 CrAl 13

 1.4724

 X 10 CrAl 12

 10Kh13SYu

 X 10 CrAl 18

 1.4742

X 10 CrSiAl 18

 15Kh18SYu

409

 X 6 CrTi 12

 1.4512

 Z 6 CT 12

SUH 409

 X 6 CrTi 12

 409S19

 X 5 CrTi 12

 X 2 CrTi 12

410

 X 6 Cr 13

X 10 Cr 13

X 15 Cr 13

 1.4000

 1.4006

 1.4024

 Z 10 C 13

Z 12 C 13

SUS 410

 X 12 Cr 13

 23 02

 410S21

 X 12 Cr 13

 X 12 Cr 13

 12Kh13

410 S

 X 6 Cr 13

 1.4000

 Z 6 C 13

SUS 410S

 X 6 Cr 13

 23 01

 403S17

 X 6 Cr 13

 08Kh13

Factory

pipe factory_副本

Quality advantage:

The quality of our products for the control line in oil and gas sector is assured not just during the controlled manufacturing process but also by way of finished product testing. Typical tests include:

1.Non-destructive tests

2. Hydrostatic tests

3.Surface finish controls

4. Dimensional accuracy measurements

5.Flare and coning tests

6. Mechanical and chemical property testing

Application caillary tube

1) Medical device industry

2) temperature-guided industrial temperature control, sensors used pipe, tube thermometer

3) Pens care industry core tube

4) micro-tube antenna, various types of small precision stainless steel antenna

5) With a variety of electronic small-diameter Stainless steel capillary

6) Jewelry needle punch

7) Watches, picture

8) Car antenna tube, bar antennas using tubes, antenna tube

9) Laser engraving equipment to use stainless steel tube

10) Fishing gear, accessories, Yugan out with possession of

11) Diet with stainless steel capillary

12) all types of mobile phone stylus  a computer stylus

13) Heating pipe industry, oil industry

14) Printers, silent box needle

15) Pull a double-melt stainless steel tube used in window-coupled

16) A variety of industrial small diameter Precision stainless steel tubes

17) Precision dispensing with stainless steel needles

18) Microphone, headphones and microphone to use stainless steel tube, and so on

pipe packging

222

 

stainless steel coil tube


Product detail pictures:

2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe detail pictures

2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe detail pictures

2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe detail pictures

2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe detail pictures

2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe detail pictures

2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe detail pictures


Related Product Guide:
Study demonstrates desalination with nanoporous graphene membrane | Stainless Steel Pipe 304
Better bomb-sniffing technology with new detector material | 34mm Seamless Steel Pipe Tube

We've been committed to offering easy,time-saving and money-saving one-stop purchasing support of consumer for 2017 High quality Ss304 Stainless Steel Seamless Pipe - JIS DIN 304 Stainless steel Precision pipe – Sihe , The product will supply to all over the world, such as: Chile, Russia, Adelaide, There are advanced producing & processing equipment and skilled workers to ensure the merchandise with high quality. We've got found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our merchandise are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.
  • The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
    5 Stars By Kitty from panama - 2015.11.28 16:25
    This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Elma from Peru - 2015.06.05 13:10
    Write your message here and send it to us

    Related products

    • PriceList for Stainless Seamless Steel Square Tube - Factory Selling China Best Buy ASTM A312 Stainless Steel Pipe 304 304L 316L Industrial Stainless Steel Welded Pipe – Sihe

      PriceList for Stainless Seamless Steel Square T...

      Adhering into the basic principle of “quality, assistance, effectiveness and growth”, we have attained trusts and praises from domestic and worldwide client for Factory Selling China Best Buy ASTM A312 Stainless Steel Pipe 304 304L 316L Industrial Stainless Steel Welded Pipe, We will wholeheartedly welcome all purchasers within the industry each at your house and abroad to cooperate hand in hand, and develop a vibrant upcoming with each other. Adhering into the basic principle of ...

    • Factory making Round Seamless Stainless Steel Pipe - Renewable Design for Dx51 Steel Hot Dipped Galvanized Steel Coil/cold Rolled Steel s/gi Coil – Sihe

      Factory making Round Seamless Stainless Steel P...

      “Quality 1st, Honesty as base, Sincere company and mutual profit” is our idea, in an effort to create consistently and pursue the excellence for Renewable Design for Dx51 Steel Hot Dipped Galvanized Steel Coil/cold Rolled Steel s/gi Coil, Safety by means of innovation is our promise to each other. “Quality 1st, Honesty as base, Sincere company and mutual profit” is our idea, in an effort to create consistently and pursue the excellence for Cold Rolled Steel s, Dx51 Ste...

    • China Cheap price Ss304 Stainess Steel Pipe - Ordinary Discount China Stainless Steel Coiled Tubing for Down Hole injection, 3/8″ OD, 0.049″ thickness – Sihe

      China Cheap price Ss304 Stainess Steel Pipe - ...

      We support our customers with ideal premium quality products and solutions and superior level assistance. Becoming the specialist manufacturer in this sector, now we have received rich practical experience in producing and managing for Ordinary Discount China Stainless Steel Coiled Tubing for Down Hole injection, 3/8″ OD, 0.049″ thickness, With a wide range, high quality, fair charges and stylish designs, our items are extensively used on this industries and other industries. We s...

    • Bottom price Aisi 310s Stainless Steel Micro Capillary Tube - DIN 316L stainless steel welded pipe – Sihe

      Bottom price Aisi 310s Stainless Steel Micro Ca...

      DIN Stainless Steel 316L Welded Pipe ASTM A312 welded pipes Suppliers,Stainless Steel Welded Pipes Manufacturer,Stainless Steel ERW Pipes Stockholder,SS ERW Pipes Exporter In China. ERW Pipes are being found in widespread range of applications such as in Petrochemical, Chemical, oil & Gas, Refinery, Fertilizer, Automotive, Bearing, Power, Structural Mechanical applications. We provide these welded pipes in different grades, thickness and sizes as per tailored needs given by our customers....

    • Hot New Products En 1.4462 Duplex Stainless Steel Pipe - JIS DIN 202 Stainless steel Precision pipe – Sihe

      Hot New Products En 1.4462 Duplex Stainless Ste...

      ASTM Stainless steel Precision pipe for 202 grade: Stainless steel pipe is one of the more standardized materials in the building and engineering industries. Stainless Steel Seamless Pipes is a hollow steel bar, a large number of pipes used for conveying fluids, such as oil, gas, water, gas, steam,heat exchanger,mechanical machine. Specification: stainless steel coil tube stainless steel tube coil stainless steel coil tubing stainless steel coil pipe stainless steel coil tube suppliers stainl...

    • Massive Selection for Capillary Square Tube - New Fashion Design for China ASTM Ss 304 316 321 Seamless Stainless Steel Pipe Stainless Steel Tube – Sihe

      Massive Selection for Capillary Square Tube - ...

      Using a total scientific good quality management process, superior high quality and excellent faith, we get great name and occupied this field for New Fashion Design for China ASTM Ss 304 316 321 Seamless Stainless Steel Pipe Stainless Steel Tube, We put sincere and health as the primary responsibility. We have a qualified international trade group which graduated from America. We’re your next business partner. Using a total scientific good quality management process, superior high qual...