310S PIPE FITTINGS manufacturer | ASTM A403, ASTM A182, ASTM A240 – 310S PIPE FITTINGS

Stockholder, Supplier and Exporter of 310S PIPE FITTINGS in India, STAINLESS STEEL 310S PIPE BENDS, SS 310S ELBOW, SS 310S TEE, SS 310S REDUCER, STUB END

Why us?

“We’ve proven that we are competitive in India, Brazil, Houston & UAE. Our 310S PIPE FITTINGS, buttweld fittings & forged fittings are of European origin, have recognised quality and the required traceability. A number of Inian & Brazilian companies have been DM Special Steel Ltd clients for years through our international sales network.”

DM Special Steel Ltd Pipe Fitting Inventory

Stainless Steel Tradename UNS no. Werkstoff No. Density (g/cm3)
310S 310S S31008 1.4845 8.0
310 310 S31000 1.4841 8.0

DM Special Steel Ltd is a leading manufacturer and supplier of stainless steel 310S (1.4845), 310 (1.4841) buttweld pipe fittings and flanges. DM Special Steel Ltd offers a complete range of stainless steel 310S pipe fittings such as SS 310S reducer, SS 310S elbow, SS 310S tee, SS 310S cross, SS 310S end caps, SS 310S stub ends and SS 310S pipe bends. Stainless steel 310S pipe fittings are manufactured in compliance with ASTM A-403 and ANSI B16.9 / 16.28/ MSS SP-43 / Welding Bevel Standards ANSI B 16.25.

We specialise in the manufacture and supply of SS 310S pipe bends in both standard and non standard sizes, with bending radius of 1D to 10D or any other custom bending radius. We offer ex-stock delivery of various standard size and type SS 310S pipe fittings, SS 310S flanges and SS 310S pipe bends. Our specialty is to manufacture and supply large size fabricated 100% radiography tested SS 310S elbows, SS 310S reducers, SS 310S tees and SS 310S large diameter fabricated pipes.

Commonly referred to as UNS S31008, stainless steel 310S grade is generally used in elevated temperature applications. Due to its high chromium and nickel content, the general corrosion resistance of 310S is more superior to 304 or 309 in most environments. Stainless steel 310S is mostly similar to grade 309, but offers greater corrosion resistance and oxidation at high temperatures. As compared to Type 310, Type 310S stainless steel is identical to it except for a lower carbon content that minimizes carbide precipitation and improves weldability.

DM Special Steel Ltd also stocks and supplies a complete range of SS 316 | 316L pipes to complement our existing production range of SS 316 buttweld fittings and SS 316 flanges. Stainless steel 316/316L pipes can be supplied in cut to length sizes and also machined or fabricated to meet your custom piping requirements.

Key Properties of Stainless Steel 310S Pipe Fittings, SS 310S Flanges

  • Excellent high temperature oxidation resistance
  • Good resistance to both carburizing and reducing environments
  • May be susceptible to chloride stress corrosion cracking
  • High corrosion resistance then Type 309 and Type 304 stainless steels
  • Ease of fabrication

Common Applications – SS 310S Pipe Fittings and Flanges

  • Furnace parts
  • Industrial fabrications
  • Kiln liners
  • Food processing equipment
  • Oil and petrochemical refineries
  • Chemical and pharmaceutical equipment

SS 310S Pipe Fittings Production Range

Specification ASTM A182 / A403 & ASME SA182 / SA403
Type Seamless / Welded / Fabricated
Variants 310, 310S
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Range ½”NB to 48”NB in Sch 10s, 40s, 80s, 160s, XXS.
Dimensions ANSI/ASME B16.9, B16.28, MSS-SP-43.

Buttweld Stainless Steel 310S Pipe Fittings

Seamless/ Welded 100% Radiography Tested

Products Size
SS 310S Elbows – Long Radius SS 310S Stub Ends

Sizes 1/2″ – 48″

SS 310S Elbows – Short Radius SS 310S Crosses
SS 310S Reducing Elbows SS 310S Reducing Crosses
SS 310S 45° Elbows SS 310S 180° LR Return Bends
SS 310S Tees SS 310S 180° SR Return Bends
SS 310S Fabricated Tees SS 310S Pipe Bends / Piggable Bends
SS 310S Reducers SS 310S Couplings
SS 310S Concentric Reducers SS 310S Pipe Nipples
SS 310S Eccentric Reducers SS 310S Forged/Plate Cut Rings
SS 310S 3D Elbow SS 310S End Caps
SS 310S 5D Elbow SS 310S Forged / Plate Circles

High Pressure Forged 310S Pipe Fittings

Threaded and Socket Weld Pipe Fittings

Products Size
SS 310S 90° Elbows SS 310S Couplings

Sizes 1/8″ – 4″

Pressure Ratings -
2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS

SS 310S 45° Elbows SS 310S Reducers
SS 310S Street Elbows SS 310S Inserts
SS 310S Tees SS 310S Caps
SS 310S Crosses SS 310S Unions

Stainless Steel 310S Flanges

Forged and Plate Flanges

Specification ASTM A182 / A240 & ASME SA182 / SA240
Grade 310, 310S
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/8” to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.


Product Size
SS 310S Slip-On Flanges SS 310S Threaded Flanges

1/8″ – 36″

Raised Face or Flat Face

SS 310S Weld Neck Flanges SS 310S Socket Weld Flanges
SS 310S Blind Flanges SS 310S Reducing Flanges
SS 310S Lap Joint Flanges SS 310S Plate Flanges

Marking & Packing

Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All fittings and flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.

Quality Assurance

At DM Special Steel Ltd, all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Test Certificates: 
Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

For more information on our range of pipe fitting, please contact us today.

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