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ASTM A182 Alloy Steel Flanges

A leading exporter, suppliers & stock holder of ASTM A182 Alloy Steel Flanges, we also stock Inconel Flanges, Inconel 625 Flanges.

ASTM A182 Alloy Steel Flanges suppliers and manufacturer in India, buy any quantity & size at factory rate


1. ASTM A182 Alloy Steel Flanges Specification

2. ASTM A182 Alloy Steel Flanges quality certificates

3. ASTM A182 Alloy Steel Flanges Packaging & Shipping

4. ASTM A182 Alloy Steel Flanges Useful info

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We offer flanges in all material grades, These flanges are manufactured to specifications of ASME B16.5, ASME B16.47, ASME B16.48, BS EN 1092, BS 4504, API-605, API-590, MSS SP44, DIN 2632-2638, DIN 2576, 2642, 2527, 2566

ASTM A182 Alloy Steel Flanges Specification

We at Siddhagiri are able to accurately supply and ship the ASTM A182 Alloy Steel Flanges order overseas on time.

Product Name: ASTM A182 ASTM A182 Alloy Steel Flanges

  • Type: Welding neck flange, slip on flange, socket welding flange, threaded flange, lap joint flange, threaded flange, special flange etc. alloy steel flange
  • Material: Alloy Steel:ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182 F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8. etc.
  • Standard: ANSI, JIS, DIN, BS4504, SABS1123, EN1092-1, UNI, AS2129, GOST-12820
  • Size: 1/2-60 inch (DN15-DN2000)
  • Pressure: ANSI class 150, 300, 600, 1500, 2500, DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160
  • Packing: No Fumigate or Fumigate Plywood/Wood Pallet or Case
  • Surface Treatment: Anti-rust Oil, Transparent/Yellow/Black Anti-rust Paint, Zinc, Hot dipped Galvanized.
  • E-catalogue: Available , please mail us at sales@siddhagiri.net
  • Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural Gas, Electric Power, Pipe Projects etc.

Flanges Size: 1/2″ NB TO 24″ NB.

Flanges Class: 150#, 300#, 400#, 600#, 900#, 1500# & 2500#.

Alloy Steel Flanges Features:

  • High pressure handling ability
  • Precise horizontal threading
  • Anti-corrosion
  • Similar circular holes at the diameter
  • Longer life due to nondestructive properties
  • Resistance to high temperature and extreme weather conditions
  • Compatible for chemical, construction and various other heavy duty industries
  • Test Certificate: Certified as per EN 10204 / 3.1B

ASTM A182 = This specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and Valves and parts for high-temperature service.

We also supply Inconel 600 reducing flanges (WN, SW, SO, Thrd) with the hubs or made from blinds (in the cases of SO or Thrd). B16.5 gives rules for how we do the reductions.

HOW TO ORDER ASTM A182 Alloy Steel Flanges-

To send your Flanges inquiry you can write to us such as Flanges Quantity / Size (nominal pipe size) / Flanges Pressure Class (150-2500) / Flanges Facing (RF, FF, RTJ, ect.) / Flanges Type (WN, SO, Threaded, Blind, SW, LJ) / Flanges Bore (if SW or WN) / Flanges Material / Example 2EA 4” 300# RFWN STD 304.

Material used:

  • Alloy 20
  • Nickel 200, 201
  • Monel 400. K-500
  • Inconel 600, 601, 625, 718, 725, X-750, 751, 783
  • Incoloy 800, 800H, 800HT, 825, 890, 901, 925, 926
  • Hastelloy B, B-2, C-22, C-276
  • Special Stainless Steel F309, F310, F347, F348, 904L
  • Dual Phase Steel F44, F51, F52, F53, F55
  • Precipitation Hardening Steel 15-5PH, 17-4PH, 17-7PH, 18-8MoPH
  • Stainless Steel S30403, S30408, S30409, S31008, S31603, S31608, S31609, S31668, S31703, S32168, S34779, S39042, S11306, S22253, S22053, S21953
  • High temperature alloy GH600, GH3128, GH3030, GH2132, GH1140

Our standard Flanges:

  • ANSI B16.5, B16.47
  • ASME B16.5, B16.47
  • JIS B2220
  • BS10, BS3293, BS4504
  • DIN 2502, 2503, 2527, 2565 / 2566, 2573 / 2576, 2627 / 2628, 2629 / 2630, 2631, 2632, 2633, 2634, 2635 / 2636, 2637 / 2638, 2641, 2642, 2655 / 2656, 86029 / 86030
  • UNI 2253, 2254, 2276-2278, 2281-2284, 6083, 6084, 6089-6093
  • EN 1092, 1092-1
  • API605, 6A ,6B MSS SP44 AWWA C207

Other materials supply by Siddhagiri:

  • CHROME ALLOYS – A-182-F-1, F-5, F-6, F-9, F-91, F-11, F-12, F-22
  • STAINLESS STEEL – A-182 – F-304, Dual Grade 304/304L, Dual Grade 316/316L, 316, 304H, Dual Grade 304/304H, Dual Grade 316/316H, 316H, 309, 310, 317L, 321, 347, 347H, 904L,
  • Alloy 20, many other H grades
  • ALUMINUM – 3003, 6061, 5083 and other grades upon request.
  • HASTALLOY – B-2, C-276, G, X, C-22
  • INCONEL – 600, 601, 625, 718
  • INCOLLOY – 800, 825, 800H, 800HT
  • MONEL – 400
  • COPPER – 90/10 (C70600), 70/30 (C71500)
  • Duplex – F51/2205, F53/2507
  • TITANIUM – Gr2, Gr12

ASTM A182 Alloy Steel Flanges quality certificates

ASTM A182 Alloy Steel Flanges delivered with a 3.1 certificate. we can perform the tests required to issue a 3.2 certificate, or a CMTR in accordance with the ASME III Code.

ASTM A182 Alloy Steel Flanges Packaging & Shipping

ASTM A182 Alloy Steel Flanges


We mark the ASTM A182 Alloy Steel Flanges as needed with the most suitable marking technique. Our staff has extensive experience in export documentation,packaging, and finance. We have found that the biggest key to a successful export transaction is communication.

So, besides the fact that we can arrange freight transportation for you, we can before that:

  • specifically mark parts or packages;
  • provide for a special packing according to what is required by the shipping method or by you.

We focus on every procedure to assure quality, the package we usually take is pack the fittings with environmental poly bags, and then in free fumigation wooden cases or wooden palte When packaging and packing, our experienced warehouse staff systematically takes the greatest precautions for your ASTM A182 Alloy Steel Flanges to be optimally protected during transportation. We pack the ASTM A182 Alloy Steel Flanges according to the appropriate method: strapped pallet, wooden crate, overseas packing (ISPM15).

ASTM A182 Alloy Steel Flanges Useful info

Alloy Steel Flange, Alloy forged steel flange is made by alloy steel, which material grade like ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182 F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8. etc. Alloy forged steel flange have a good advantage with its performance than Stainless steel flange and carbon steel flange, more efficient, but higher cost than carbon steel flanges, those kinds of flange use in special environment, usually tough exactly.

Flanges available with NACE MR 01-75

Flanges Types: 

  • Slip On – SORF Flanges
  • Weld Neck – WNRF Flanges
  • Socket Weld – SWRF Flanges
  • Blind – BLRF Flanges
  • Lapped Joint Flanges
  • Screwed  Flanges
  • Long Weld Neck Flanges
  • Reducing  Flanges
  • Spectacle Flanges
  • Ring Joint Flanges




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