ASTM A182 S31803 Blind Flange

Minimum Order
1 pcs
Wooden cases, pallets, nylon bags or according to the customers' requirements
10-100 days depending on quantity
30% by TT in advance, 70% by TT before shipment
Product Description
Contact: Amy Chen


Flange Type

WN/welding neck flange; SO/slip on flange;

PL /Plate flange; BL/Blind flange;

Th/Threaded flange;

SW/socket welding flange;

LF/SE(lapped flange/stub end);

LWN/long welding neck flange;

Orifice flange;

Reducing flange;

Spectacle blind, Line spade and spacer,Paddle blind,Paddle spacer;

Orifice plate;Pipe plate,Bleed ring;

Carbon Steel

ASTM A694 F42,F46,F48,F50,F52,F56,F60,F65,F70;


ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2;

Stainless Steel

ASTM A182 F304, 304L, 304H, 309S, 309H, 310S, 310H,316, 316Ti,316L,317, 317L, 321, 347,347H,348,

Alloy Steel:

ASTM A182 F5, F5a , F9, F11, F12, F22, F91;

Inconel series

Inconel 600, Inconel 601, Inconel 617, Inconel 625, Inconel 690 Inconel 718,Inconel X-750

Incoloy series

Incoloy 800, Incoloy 800H, Incoloy 800HT , Incoloy 801, Incoloy 825,

Hastelloy series:

Hastelloy B, hastelloy B-2, hastelloy B-3, Hastelloy C, hastelloy C-4, hastelloy C-22, hastelloy C-276, hasteelloy C-2000, Monel series: Monel 400 (UNS N04400, W.Nr 2.4360) Monel K500 (UNS N05500,) Alloy 20 (UNS N08020, F20 )

Austenite Stainless Steel:

310S (UNS S31008, JIS SUH310S, W.Nr 1.4845) 317 (UNS S31700, F317, JIS SUS317) 317L (UNS S31703, F317L, JIS SUS317L, W.Nr 1.4438 ) 321 (UNS S32100, F321, JIS SUS321) 347 (UNS S34700, F347, JIS SUS347, W.Nr 1.4550 ) 347H (UNS S34709, F347H, JIS SUS347H, W.Nr 1.4912) 254SMo (UNS S31254, F44, W.Nr 1.4547) 904L (UNS N08904, F904L )

Duplex Stainless Steel

F51 (UNS S31803, AL2205, JIS SUS32953L, W.Nr 1.4462 ) 329 (UNS S32900, F54 ) F55 (UNS S32760, F55, W.Nr 1.4501) 2205 (UNS S32205, F60,) 255 (UNS S32550, F61, JIS SUS32954L, W.Nr 1.4507)

Zhengzhou Huitong Pipe Fittings Co.,Ltd., belonging to Huitong Pipe Fittings Manufacturing Group Co.,Ltd., is mainly engaged in exporting steel pipe and pipe fittings for Huitong Group.After 22 years’ development and innovation since our establishment,we are more and more professional in technical service and can manufacure products with all kinds of material, shape and size. Especially in elbows, tee, reducer, flange and pipe cap etc, we have gained more than 20 product patent, and hundreds of technology patent. Also,we have gradually taken an ireplacable role in High-pressure,high-temperature and anti-corrosion area. With the continuous construction of engery in China,such as petrol gas,electric power,etc.,our company has become the purchasing center of whole set fittings for such projects.In 2009,Zhengzhou branch office,established by our group,is manily engaged in oil gas and electric power projects abroad.By now, our products have been exported to Canada,Malaysia,Parkistan,UAE, the Middle East countries, etc.. We have passed the qualification of ISO9001:2000 and API quality certification system. High-quality products and high-class service are well received by abroad customers in this industry. The unique diversified production line can offer you one-package serive, you can pruchase all complex products from us at one time. What’s more, our sufficient material stock and conventional product stock can ensure you receive satisfied product in the shortest time.

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Zhengzhou Huitong Pipe Fittings CO., Ltd.

China China
Manufacturer, Exporter, Agent
+86 371 6095 3359

Zhengzhou Huitong Pipe Fittings Co.,Ltd.

China China
Contact Person: Amy Chen
Telephone: 86-371-60953359
Location: Henan, China
Business Type:Manufacturer, Exporter
Main Target Region:Middle East
No.168,Guoji Road,Jinshui District,Zhengzhou City, Henan Province,China
Main Product:
pipe fittings
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