Forged Welded Neck Flange

Forged Welded Neck Flange made in China can be bought with low price from Huaxi, which is a professional high quality products manufacturers and factory in China. We provide customized products service. If you want pricelist and quotation, you can ask us by leaving a message. We will get back to you as soon as possible.

Facing globalization and full range of competition in the market, company has always been keen on learning and practice. With intelligence and smartness of technical crews, company closely follows rhythm of the market, continues development, makes improvement to old products and develops new products. Scientific and technical innovations are already efficient tools for enterprise to develop strategic innovations and have grip of the market in the competition.

Jiangyin Huaxi Flange Co., Ltd., a subordinate enterprise of Jiangsu Huaxi Group Co., Ltd., is the enterprise of flanges and pipe fittings in China.Founded in 1984, the factory specializes in the production of outlet flanges.In 1990, the factory established Jiangyin Huaxi Flange Co., Ltd., with Singapore Towa Hardware Private Co., Ltd. In 2005, the company implemented the technology reform extension project, purchased 3z600t oil hydraulic presses, 5m ring mills, 8t and 5t electro-hydraulic hammers,2-5m vertical lathes, 5m NC drilling machines, heat treatment furnaces and other ring-type forgings production equipment, and realized strategic adjustment to the core products of the enterprise. At present, the company has a floor area of 150,000 square meters, a plant area of 80,000 square meters, and more than 1,000 people including 115 high/middle-level technical personnel. The company annually produces 35,000 tons of ring-type forgings and 25,000 tons of finished flanges and pipe fittings made from stainless steel carbon steel alloy steel, dual-phase steel and many other materials, with over 10,000 specifications and varieties. The products have been exported to 28 countries and areas, such as Japan, America, France, Germany, Italy, etc. With self-run import & export right, the company is capable of directly taking foreign customers' orders, producing standard flanges and pipe fittings in accordance with JIS, ANSI, EN, DIN, BS and GB domestic and international standards, and producing ring-type forgings, non-standard flanges and pipe fittings according to customers* drawings or samples.
The company boasts its perfect quality guarantee system and a whole set of modern physicochemical inspection equipment. In recent years, the company successively passed the certifications of ISO9001 and German TUV Rhine IS09001&PED, and got the authorization certificate of China Classification Society, the manufacture license of special equipment (pressure pipeline), the Class-A export enterprise assessment
certificate of AQSIQ, the BV factory approval certificate, the member certificate of China Forging Association, the safety registration certificate of steel forging products for pressure vessels and the member certificate of Wind Power Machinery Branch Association.

Product Parameter

TypesPlate, Welding Neck, Slip on, Blind, Lap joint, Threaded Flange
Face FinishRF,FF,RTJ,TF,GF
StandardANSIANSI B16.5 ASME B16.47 series A/B
DINDIN 2631 2573 2527 2565 2641
GOSTGOST 12820-80,GOST 12821-80,Gost Blind
ENEN1092-1:2002
JISJIS B2220-2004, KS D3576, KS B6216,KS B1511-2007,JIS B2261; JIS B8210
BSBS4504,BS10 Table D/E
UNIUNI 2253-67,UNI6091-67,UNI2276-67,UNI2280-67,UNI6089-67
SABSSABS 1123
MaterialANSICS A105/SA 105N,SS 304/304L,316/316L Alloy Steel: WHPY45/52/65/80
DINCS RST37.2;S235JR SS 304/304L,316/316L
GOSTCS CT20;16MN;SS 304/304L,316/316L
ENCS RST37.2;S235JR;C22.8SS 304/304L,316/316L
JISCS SS400,SF440,SS 304/304L, 316/316L
BSCSRST37.2;S235JR;C22.8;Q235SS 304/304L,316/316L
UNICSRST37.2;S235JR;C22.8;Q235SS 304/304L,316/316L
SABSCSRST37.2;S235JR;Q235;SS 304/304L,316/316L
PressureANSIClass 150, 300, 600, 900, 1500 2500lbs
DINPN6,PN10,PN16,PN25,PN40,PN64,PN100
GOSTPN6,PN10,PN16,PN25
ENPN6,PN10,PN16,PN25,PN40,PN64,PN100
JIS1K,2K,5K,10K,16K,20K,30K,40K
BSPN6,PN10,PN16,PN25,PN40,PN64,PN100
UNIPN6,PN10,PN16,PN25,PN40
SABS600KPA,1000,1600,2500,4000
SizeANSI1/2” – 60”
DINDN15-DN2000
GOSTDN10-DN1600
ENDN15-DN2000
JIS15A-1500A
BSDN15-DN2000
UNIDN10-DN2000
SABSDN10-DN600
Coatingvarnish, yellow paint, anti-rust oil, galvanizing etc
UsageUsed for the connection of all kinds of pipeline.to convey the water, steam, air, gas and oil
PackageWooden cases/pallets
DeliveryWithin 30 days

Flange is also called Flange or Flange. A flange is a part that connects a pipe to a pipe, connected to a pipe end. There are holes in the flanges and bolts make the two flanges tighten. Gasket seals between flanges. Flange connection (wire connection) flange and welding flange.

Butt welding flange is a kind of pipe fitting. It refers to the flange with neck, which has a round pipe and is connected with the pipe by butt welding. Butt welding flanges are not deformed, well sealed, widely used, with corresponding rigid and elastic requirements and reasonable butt welding thinning transition

The Process Flow

Production Equipment

Innovative products and predominant quality enable Huaxi to be bigger, stronger and better on the way to be leadership. Currently, circular foundry parts, flanges and pipe fittings which are produced by Huaxi have been widely applied to wind power generation, nuclear power generation, ship, pressure vessels, petrochemical, machinery manufacturing, aviation and aerospace and military.

Qualification Certificate