| Standard: | ANSI, DIN, GB, JIS, GOST |
|---|---|
| Type: | Welding Flange |
| Material: | Carbon Steel |
| Structure: | Round |
| Connection: | Welding |
| Sealing Surface: | RF |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier BS3293 ST37 DN1500 60 INCH Slip on Flange
BS 3293:1960 is a material and dimensional standard only and applies to forged carbon steel slip-on and welding neck flanges of nominal sizes 26 in and larger, for use in the petroleum industry. Drilling, bolting, facing and thickness dimensions are applicable also to integral end flanges of valve and fittings.
Four classes of flanges are provided for, namely Classes 150, 300, 400 and 600.
BS 3293:1960 does not include pressure/temperature ratings; the flange designations quoted are for identification purposes only.
Dimensions and Tolerances BS 3293
| TYPE OF FLANGES | INDICATIONS | TOL |
| Weld Neck and Slip-On flanges | Raised face diameter | ±0.40 |
| Flange thickness | +4.76 -0 |
|
| Overall length | ±3.18 | |
| Outside diameter at welding end of weld neck hub | +3.97 -0.79 |
|
| Inside diameter of weld neck flange | +3.18 -1.59 |
|
| Inside diameter of slip on flange | +1.59 -0 |
|
| Ring Joint Facing on Weld Neck and Slip-On flanges | Depth of groove | +0.40 -0 |
| Width of groove | ±0.20 | |
| Pitch diameter of groove | ±0.13 | |
Company Profile
From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel.
Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.
All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.
Both our sales and logistic teams are over 10 years of experiences and training frequently.
After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.
Why choose us?
One-Stop Solution
We have thousands of total production experience, from raw materials to finished products.
Competitive Price
Large scale purchase, standardized production process and efficient management make our price competitive.
Quick Shipping
Years of export experience enable us to control the transportation time more accurately.
Quality Control
The standardized production process, comprehensive management system, professional testing equipment
Special material customization
We support the customization of various complex materials
OEM/ODM
We support any form of OEM/ODM customization requirements.
Suppliers with verified business licenses
Audited Supplier 
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