 Maao Industry Area,Jiangbei district,Wenzhou City, Zhejiang Province,China
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Stainless Steel Flange

Materials:
200 series: 201, 202, 202Cu, 204Cu
300 series: 301, 303, 303Cu, 304, 304Cu, 304L, 305, 309, 310, 310S, 316, 316L, 321
400 series: 409, 410, 420, 430, 431, 440c, 444, 446
600 series: 630, 631 (17-4ph, 17-7ph)
Duplex: 2205, 2507, 904L
Availability:
Inquire

Materials:
200 series: 201, 202, 202Cu, 204Cu
300 series: 301, 303, 303Cu, 304, 304Cu, 304L, 305, 309, 310, 310S, 316, 316L, 321
400 series: 409, 410, 420, 430, 431, 440c, 444, 446
600 series: 630, 631 (17-4ph, 17-7ph)
Duplex: 2205, 2507, 904L
Alloy: nitronic50, 60, nimonic75, 80A, 90, inconel600, 625, 718, 725
alloy20, 28, incoloy800, 825, hastelloyC276, C22, X, monel 400, k-500 etc.

Type:
Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded and Blind flange.


1. Weld Neck Flange 2. Butt Weld 3. Pipe Or Fitting

1. Slip On Flange 2. Filled Weld Outside 3. Filled Weld Inside 4. Pipe

1. Socket Weld Flange 2. Filled Weld 3. Pipe X = Expansion Gap

1. Lap Joint Flange 2. Stub End 3. Butt Weld 4. Pipe Or Fitting

Lap Joint Flange With A Stub End

1.Threaded Flange 2. Thread 3. Pipe Or Fitting

1. Blind Flange 2. Stud Bolt 3. Gasket 4. Other Flange



Grade

C

Si

Mn

P

S

Ni

Cr

Mo

201

≤0.15

≤0.75

5.5-7.5

≤0.06

≤0.03

3.5-5.5

16.0-18.0

-

202

≤0.15

≤1.0

7.5-10.0

≤0.06

≤0.03

4.-6.0

17.0-19.0

-

301

≤0.15

≤1.0

≤2.0

≤0.045

≤0.03

6.0-8.0

16.0-18.0

-

302

≤0.15

≤1.0

≤2.0

≤0.035

≤0.03

8.0-10.0

17.0-19.0

-

304

≤0.08

≤1.0

≤2.0

≤0.045

≤0.03

8.0-10.5

18.0-20.0

-

304L

≤0.03

≤1.0

≤2.0

≤0.035

≤0.03

9.0-13.0

18.0-20.0

-

309S

≤0.08

≤1.0

≤2.0

≤0.045

≤0.03

12.0-15.0

22.0-24.0

-

310S

≤0.08

≤1.5

≤2.0

≤0.035

≤0.03

19.0-22.0

24.0-26.0

-

316

≤0.08

≤1.0

≤2.0

≤0.045

≤0.03

10.0-14.0

16.0-18.0

2.0-3.0

316L

≤0.03

≤1.0

≤2.0

≤0.045

≤0.03

12.0-15.0

16.0-18.0

2.0-3.0

321

≤0.08

≤1.0

≤2.0

≤0.035

≤0.03

9.0-13.0

17.0-19.0

-

630

≤0.07

≤1.0

≤1.0

≤0.035

≤0.03

3.0-5.0

15.5-17.5

-

631

≤0.09

≤1.0

≤1.0

≤0.030

≤0.035

6.50-7.75

16.0-18.0

-

904L

≤2.0

≤0.045

≤1.0

≤0.035

-

23.0-28.0

19.0-23.0

4.0-5.0

2205

≤0.03

≤1.0

≤2.0

≤0.030

≤0.02

4.5-6.5

22.0-23.0

3.0-3.5

2507

≤0.03

≤0.80

≤1.2

≤0.035

≤0.02

6.0-8.0

24.0-26.0

3.0-5.0

2520

≤0.08

≤1.5

≤2.0

≤0.045

≤0.03

0.19-0.22

0.24-0.26

-

410

≤0.15

≤1.0

≤1.0

≤0.035

≤0.03

-

11.5-13.5

-

430

≤0.12

≤0.75

≤1.0

≤0.040

≤0.03

≤0.60

16.0-18.0

-




All our products are packed, stored, transported according to the international regulation.
The reducers are wrapped with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement.Ply wooden box are available for special protection. Other kinds of packing can be offered if request.




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