The astm a182 specification covers both forged or rolled low alloy as well as stainless steel pipe components for use in pressure systems. This sa 182 gr f91 flange is often used in environments, where the temperature settings are almost always elevated. The astm a182 specification components include fittings, flanges, Valves, and other similar parts that can be constructed up to the specified dimensions or to dimensional standards.
The astm a182 specification includes several grades of other martensitic, austenitic, Ferritic, Ferritic-austenitic stainless steels and low Alloy Steel Grades .The selection of these alloys will depend upon design and requirements as well as the end use of the application.The sa 182 gr f91 is a martensitic stainless steel forged fitting. The additions of Nickel and Molybdenum to the a182 f91 chemical composition, gives the alloy excellent ductility at sub zero temperature environments.
The addition of these elements also is one of the reasons why the a182 f91 mechanical properties are superior to other standard martensitic stainless steels grades like 13 Cr, 410 and 420 Mod.The asme sa182 f91 flange steel is air hardened, with very little danger of the thick sections of the fastener cracking during heat treatment.
In addition to the maximum hardness allowance of the asme sa 182 gr f91 being limited to 23 HRC max, the NACE MR0175 imposes restrictions with regards to the heat treatment temperature.The a182 f91 material offers excellent weld ability and corrosion resistance. Its improved corrosion resistance along with the ability of this martensitic stainless steel grade to withstand high temperature and high pressured environments is the reason why the alloy is extensively used in the manufacture of a182 f91 blind flanges etc.
Generally, alloyed flange materials for instance chrome-moly alloy like the Alloy Steel Grade a182 f91 flanges have higher chrome and molybdenum content as compared to carbon steel flanges. Alloy Steel Grade flange materials like the asme sa182 f91 are well suited to high temperature and high-pressure applications as they tend to offer improved resistance to corrosion when compared to standard carbon grade steel flanges.
| Specifications | ASTM A182 Alloy Steel Grade F91 Flanges |
|---|---|
| ASME B16.5 Alloy Steel Grade F91 Flanges size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Alloy Steel Grade F91 Flanges Standards | ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, |
| Alloy Steel Grade F91 Flanges Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Alloy Steel Grade F91 Flanges Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Alloy Steel Grade F91 Flanges Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Alloy Steel Grade F91 Flanges Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Alloy Steel Grade F91 Flanges Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Alloy Steel Grade F91 Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production technique |
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| Connect Type/ Flange Face Type | Small Male-Female (SMF), Small Tongue & Groove, Large Tongue & Groove,Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF) |
| Most common types of Alloy Steel Grade F91 Flanges |
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| Special design |
As per your drawing AS, ANSI, BS, DIN and JIS Alloy Steel Grade F91 Flanges Threaded Flanges, Socketweld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges |
| 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 |
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| Alloy Steel Grade F91 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,
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| Key markets and industries for Alloy Steel Grade F91 Flanges |
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| Export to | India, Spain, Oman, Iran, Peru, Singapore, Korea, Dubai, USA, Brazil, Egypt, Ireland, Ukraine, Thailand, Indonesia, Canada, Saudi Arabia, etc |
| Alloy Steel Grade F91 Flanges Application |
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| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) |
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| Eastern Europe | Aisa | North America | Western Europe | Mid East/Africa |
| Australia | Central/South | UAE | America | Portugal |
| Spain | Indonesia | Italy | Angola | Poland |
| Brazil | Sri Lanka | Russia | China | Singapore |
| Oman | Venezuela | Costa Rica | USA | Qatar |
| Thailand | Canada | Saudi Arabia | Bahrain | Egypt |
| Malaysia | Turkey | Mexico | China | Peru |
| United States | Nigeria | Jordan | Kuwait | Dubai |
| Bangkok | Iran | Germany | UK | New Zealand |
| Vietnam | South Africa | Mexico | Kazakhstan |
| Mumbai | Ahmedabad | Bhopal | Bikaner | Pune |
| Delhi | Chennai | Visakhapatnam | Mangalore | Nagpur |
| Bangalore | Kolkata | Siliguri | Assam | Indore |
| Hyderabad | Surat | Nashik | Cochin | Thane |
| Faridabad | Rajkot | Aurangabad | Bhavnagar | Ranchi |
| Coimbatore | Mysore | Salem | Tirupur | Bikaner |
| Raipur | Bhubaneswar | Bhilai | Ankleshwar | Bhiwandi |
| Vadodra | Kochi |
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