stainless steel welding neck flange
stainless steel welding neck flange
Brief introduction of stainless steel flange
Flanges are the style to collecting the pipes ,valves,pumps,and other equipment to form a pipe system. They are used for oil, chemistry industry,water conservancy,electric power,boiler,machinery,metallurgy,sanitary,construction etc.
The type of stainless steel flange
The flange faces are also made to standardized dimensions and are typically "flat face", "raised face", "tongue and groove", or "ring joint" styles, although other obscure styles are possible.Flange designs are available as "weld neck", "slip-on", "lap joint", "socket weld", "threaded", and also "blind".
We can make drawing as per your requests and make customized products as per your requests.
stainless steel Flanged stock 
We have a large amount products stock, so the producing time can be shorter. welcome to place the order at once !
Detailed technical parameter of stainless steel flange
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Stainless steel Flange |
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Flange Material |
Carbon steel |
ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH |
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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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Flange Standard |
ANSI |
Class 150 Flanges-Class 2500 Flanges |
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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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Flange 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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Flange 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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Flange Size |
DN10-DN3600 |
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Flange Package |
1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). 2:As Customers' Requirements |
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Flange Heat Treatment |
Normalizing, Annealing, Quenching+Temperin |
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Common data are shown on the sheet above, special size can be customized as per your drawing!
Producing process
Test of stainless steel flange
Chemical composition to ensure the material is really what you need
100% comply with international standard dimension and tolerance
Packing and shipping of stainless steel
Each flange is wrapped with plastic film or plastic bag, and then are put into the wooden cases.
The case’s size is normally 1.1*1.1*1.1.
The shipping type: By ship, by air , or International Express Service.
About Runda company
Runtda company has advanced production and processing equipment, as well as various professional personnel. By regarding meeting customer requirements as the core of enterprise development, and adhering to the basic quality policy of continuous innovation ,customer satisfaction, fast improvement, and total involvement, we are endlessly producing high quality products to effectively meet different requirements of customers.
The clients visiting our factory or our booth 
Many foreign friends show great interest in our products on exhibition ,and then visit our factory,
Through that we make it to cooperate with each other .
FAQ
Q1: Are you a factory or a trade company?
A1: We are a professional manufacturer for designing and producing of Large-size products.(View Mor)
Q2: Do you make customized products or finished parts?
A2: All parts are custom made only, not in stock, we can produce based on your drawings.
Q3: Will my drawing be safe after you get it?
A3: Yes, we will not release your design to third party unless with your permission.
Q4: What is the MOQ?
A4: Small order is acceptable, but the more, the cheaper.
Q5: How about the samples?
A5: We are happy to make prototype part or sample for clients to ensure quality standard, but it’s charged according to your drawing.
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