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Carbon Steel,

ASTM A 105, ASTM A 350 LF1, LF2 CL1/CL2, LF3 CL1/CL2

ASTM A 694 F42, F46, F52, F56, F60, F65, F70

Stainless Steel,

ASTM A 182, ANSI 304, 304L, 304H, 304LN, 309S, 309H, 309Cb, 309HCb, 310S, 310H, 310Cb, 310HCb, 316, 316L, 317,317L, 321, 321H, 347, 347H, 347LN, 348, 348H, 904, 904L etc.

Alloy Steel,

ASTM A182 F1, F5a, F9, F11, F12, F22, F91

Duplex stainless steel,

Duplex 2205 UNS S31803/S32205 ASTM A 182 F51 318LN DIN 1.4462 SAF2205 SA182 F51

Super duplex stainless steel,

Super duplex 2507 UNS S32750 F53 ASTM A182 F53 SAF2507 SA182 F53 DIN 1.4410

1. BS4504 304 316 Stainless Steel Flange

2. Material: Stainless Steel: such as 201 301 304,304L,316,316L,321 and so on.

3. Standard: GB,JIS, BS,DIN.UNI,ANSI/ASTM ASME,,API, NF ,GOST and Non Standard

4. Size:1/2"-40"

5. Type: Slip-on flanges ,Blind flanges, Spectacle flanges,  Plate flanges, TG flanges, Lap joint flanges, Welding neck flanges, Socket welding flanges and Treaded flanges, Square flanges etc.

6. Pressure ratings :class:150 300 400 600 900 1500 and 2500, PN :6 10 16 25 40 64 and 160, ,5K-40K etc.

7. Sealing surface: FF ,RF, LJ, FM ,R.T.J ,R.J  etc.

8. Production process: raw material--cutting--heating--forging--heat treatment--machining-- inspection-washing-packaging-Ex-work.

9.  Mill certificate:3.1B 

11. ISO certificate: ISO9001:2008

12. Special equipment manufacture license : manufacture license of special equipment of P.R.C

13. Marking: according to client's requirement

14. QC staff:10-15.

15. Inspection: in-house and the third party

16. Used for : petroleum, chemical, power, gas, water, linepipe, heat exchanger, shipbuilding, construction, etc.

17. Tolerance: not less than +- 8% of normal wall thickness.