Zhejiang Hangong Flange Technology Co., Ltd. is a professional 304 stainless steel weld neck flanges manufacturer and supplier in China. Our main projects including stainless steel flanges, duplex steel flanges, super duplex steel flange, pipe fitting manufacturing and sales. We have produced 304 stainless steel weld neck flanges for many years, looking forward to reaching a long-term cooperative relationship with you.
The 304 Stainless Steel Weld Neck Flanges is attached to the pipe end. It is the part that connects the pipe to the pipe. There are holes on the flange, and bolts can be worn to make the two flanges tightly connected, and the flange is sealed with a liner. Flanged pipe fittings are pipe fittings with flanges (flanges or joints). It can be cast, threaded or welded.
Steel Flanges |
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Material |
Carbon steel |
ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH,Q235 |
P250GH, P280GHM 16MN, 20MN ,20# |
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Stainless steel |
ASTM A182, F304/304L, F316/316L |
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Alloy steel |
ASTM A182 A182 F12,F11,F22,F5,F9,F91etc. |
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Standard |
ANSI |
Class 150 Flanges-Class 2500 Flanges |
DIN |
6Bar 10Bar 16Bar 25Bar 40Bar |
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JIS |
5K Flanges-20K Flanges |
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UNI |
6Bar 10Bar 16Bar 25Bar 40Bar |
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EN |
6Bar 10Bar 16Bar 25Bar 40Bar |
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GB |
6Bar10Bar16Bar25Bar40Bar |
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SABS |
T1000/3 T1600/3 T2500/3 T4000/3 |
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TYPE |
1.Welding neck Flange 2.Slip on |
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3.Blind flange 4.Long welding neck flange |
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5.Lap joint flange 6.Socket welding |
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7.Threaded flange 8.Flat flange |
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Surface |
Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer,hot-dipped Galvanized,electrical galvanized |
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Connection |
Welding, Threaded |
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Technical |
Forged, Casting |
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Size |
DN10-DN3600 |
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Package |
1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). 2:As Customers' Requirements |
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Heat Treatment |
Normalizing, Annealing, Quenching Tempering |
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Applications |
Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc. |
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1. Each flange or pipe fittings is wiped after ultrasonic cleaning.
2. Each flange or pipe fittings is individually packaged with bubble protective film and placed in a wooden box.
3. All products are packed in plywood boxes. For larger size flanges, packed in plywood pallets. Or you can customize the packaging by yourself.
4. Shipping marks can be made as required
5. Product label can be engraved or printed. Accept OEM.
FAQ
Q: Can you accept L/C deferred 30, 60, 90days?
A: We can.
Q: Can you supply invoice and CO with chamber of commerce?
A: Yes, we can supply.
Q: Can you supply Form e, Cerficiate of origin?
A: Yes, we can supply.
Q: Can you accept O/A payment?
A: We can.
Q: Can you supply samples?
A: Yes, some samples are free.
Q: Can you supply the products which comply with NACE?
A: Yes, we can.