ASTM A105 Forged Steel Flanges
All A105 flange manufacturers in India produce Steel Flanges as per ASME B16.5, B16.47, B16.48, BS4504, BS 10, and EN-1092 standard
Om Export India Pvt Ltd. is a manufacturer with expertise in producing ASTM A105 flanges.We have a great deal of experience manufacturing A105 flanges. Our production division is well-equipped with top-notch machinery and equipment, and we employ state-of-the-art manufacturing techniques to achieve the specified dimensions and qualities of our products. We are a reputable manufacturer of ASTM A105 flanges and A105 carbon steel flanges.
A105 sorf flanges are produced by the majority of steel companies. The pipe or fitting is positioned away from the flange when sorf flange welding is performed. The SORF flange’s inner diameter is somewhat bigger than the pipe’s outer diameter. It is the grade of carbon steel that is most frequently used to make forge piping components.
Carbon steel A105 flanges are designed to cover seamless forged carbon steel piping components that are intended for use in ambient and high-temperature pressure systems.Asmesa 105 flange material does not require heat treatment, with the exception of flanges of unusual design where the design temperature or pressure is unknown, items exceeding 4″ NPS, and flanges above Class 300.
A105 blind flanges are forged at temperatures ranging from 1,700°F to 2,200°F, and then they are quenched and tempered.
A105 weld neck flange forged pieces are heated to a temperature of 1,550°F to 1,700°F after being allowed to cool to below 1,000°F. It then cools slowly in the furnace.
A105 lap joint flanges are typically used with stub end fittings, sliding straight over the pipe. A pipe can freely revolve around the stub end once it has been welded to the Lap Joint flange. It is widely utilised in applications that require regular disassembly.
At an 850F temperature, a105 galvanised flange is immersed in molten zinc. Thin layers of zinc alloys are created during this process when molten zinc reacts with the steel. Comparing these layers to more conventional techniques, the barrier they create offers remarkable corrosion resistance. This helps to prolong each flange’s life and boost productivity.
| Specifications | A105 Carbon Steel Flanges |
| size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges Supplier. |
| DIN Standard | 6, 10, 16, 25, 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| ANSI Standard | Class 150, 300, 600, 900, 1500, 2500 |
| UNI Standard | 6Bar 10Bar 16Bar 25Bar 40Bar |
| JIS Standard | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| EN Standard | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Test Certificates | EN 10204/3.1B |
| Raw Materials Certificate | |
| 100% Radiography Test Report | |
| Third Party Inspection Report, etc | |
| Production technique | Forged, Heat treated and machined |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Supplier |
| Most common types of A105 Carbon Steel Flanges | |
| Lap Joint Ring Flange (LJRF) | |
| Socket Weld Ring Flange (SWRF) | |
| Slip-On Ring Flange (SORF) | |
| Blind Ring Flange (BLRF) | |
| Threaded Ring Flange | |
| Ring Type Joint Flange (RTJF) | |
| Weld Neck Ring Flange (WNRF) | |
| Special design | |
| As per your drawing | |
| AS, ANSI, BS, DIN and JIS | |
| 15 NB (1/2") to 200 NB (8") | |
| Equal and Reducing Configurations | |
| A105 Carbon Steel Flanges Threaded Flanges, Socketweld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges Supplier | |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Specialized manufacturer of | |
| Rtj Flanges | |
| Pn16 Flanges | |
| DIN 2566 pn16 | |
| DIN 2566 en 1092 1 | |
| DIN 2566 pn10 | |
| A105 Carbon Steel Lap Joint Flanges | |
| A105 Carbon Steel Loose Flanges | |
| A105 Carbon Steel Orifice Flanges | |
| A105 Carbon Steel AS 4087 Water Flanges | |
| A105 Carbon Steel Weld Neck Flanges | |
| A105 Carbon Steel Flanges | |
| A105 Carbon Steel Slip-On Flanges | |
| A105 Carbon Steel Socketweld Flanges | |
| A105 Carbon Steel Plate Flanges | |
| A105 Carbon Steel Large Diameter Flanges | |
| A105 Carbon Steel Sorf Flanges | |
| A105 Carbon Steel Blind Flanges | |
| A105 Carbon Steel Table Flanges | |
| A105 Carbon Steel Flanges Standard | |
| ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange, ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE, | |
| BS Flange, EN Flange, API 6A Flange Supplier etc | |
| B.S: BS4504 , BS3293, BS1560, BS10 | |
| AS 2129: Table D; Table E; Table H | |
| ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings | |
| ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 | |
| ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 | |
| American standard (ANSI) | |
| German (DIN) | |
| British standard (BS) | |
| Any other specilised flanges | |
| DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 | |
| The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276 | |
| Key markets and industries for A105 Carbon Steel Flanges | |
| Nuclear power (mostly seamless). | |
| Petrochemicals and acids. | |
| Bitumen upgraders. | |
| Heavy oil refineries. | |
| A105 Carbon Steel Flanges Application | To Connect Pipe & Tubes in Petroleum, Power, Gas, Metallurgy, Shipbuilding Construction, Chemical etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
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Astm A105 Flange Standard
Forged carbon steel flanges and pipework components for use in pressure systems at ambient and higher temperatures are covered by ASTM A105. It also includes valves, pipe fittings, and similar components. Tube sheets and empty round and hollow cylindrical forgings for pressure vessel shells are not covered by this specification.
Astm A105 Flanges Chemical Composition
Specialised producer of carbon steel flanges made to ASTM A105 specification, including slip-on, welding neck, socket weld, lap-joint, threaded, and SA 105 blind flanges.
| ELEMENT | COMPOSITION, % |
| Carbon | 0.35 max |
| Manganese | 0.60-1.05 |
| Phosphorus | 0.035 max |
| Sulfur | 0.040 max |
| Silicon | 0.10-0.35 |
| Copper | 0.40 max (1) |
| Nickel | 0.40 max (1) |
| Chromium | 0.30 max (1-2) |
| Molybdenum | 0.12 max (1-2) |
| Vanadium | 0.08 max |
A105N Flange Physical Properties
| Density (lb / cu. in.) | 0.284 |
| Specific Gravity | 7.9 |
| Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) | 0.107 |
| Melting Point (Deg F) | 2740 |
| Thermal Conductivity | 360 |
| Mean Coeff Thermal Expansion | 6.7 |
| Modulus of Elasticity Tension | 30 |
| Modulus of Elasticity Torsion | 11 |
