Gautam Tubes is today highly acclaimed for being a reputable and trustworthy industry that is extensively dealing with the very large numbers of clients. We are a leading manufacturer, supplier, and stockholder of the excellent quality of Alloy Steel ASTM A182 GR F91 Flanges. We are taking the bulk orders as per the different demands of the clients and are providing them the same of very good quality. To the buyers, we are making it available at different specifications that vary in standards, types, sizes, dimensions, class/pressure, etc. Also, it is made available to them at customized specifications.
ASTM A182 is the standard specification for the rolled alloy, forged alloy, and stainless steel pipes flanges, valves, forged fittings and parts for the greater temperature services. ASTM A182 is the martensitic SS. Here the addition of molybdenum and nickel is providing very good sub-zero notch ductility that is superior to the other standards like 410, 13 Cr, 420 mod martensitic SS. UNS K90901 is the air hardening with the less danger of the thick sections at the time of heat treatment.
Addition to limiting the high hardness allowed to NACE MR 0175, 23 HRC max imposes the heat treatment temperatures restrictions. The corrosion resistance and weldability of ASTM A182 are also very good and is thus used extensively in the manufacturing of valves bodies, flanges, gates, seats, tubular, etc. ASTM A182 is specifying the minimum of 0.2PS value of KSI 95. This NACE approved grade is limited to the KSI 75 due to restriction of hardness.
ASME SA182 Alloy Steel F91 Flanges, F91 Alloy Steel SORF Flanges, Alloy Steel Gr F91 Industrial Flanges, Alloy Steel Gr F91 Flanges Distributors, Chrome Moly Grade F91 Spectacle Blind Flanges, Alloy Steel F91 RTJ Flanges Price List, Alloy Steel F91 WNRF Flanges, ASTM A182 Alloy Steel Gr F91 Flat Face Flanges Exporter in India.
• Good dimensional accuracy
• Fine surface finishes
• Rugged construction
• Pitting and oxidation resistance
• General corrosion resistance
• Long serviceability
The production process of Alloy Steel ASTM A182 GR F91 Flanges begins up with the proper use of superior quality of alloy sourced from reliable mills. The use of refined technology and modern machinery allows us to develop the perfect quality of flanges to make it use at tough industrial applications. The fabrication of same is done according to the set production norms and national and international product quality standards.
Standard Specification and Size Range of Alloy Steel F91 Flanges
Specifications : ASTM A182 / ASME SA182
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc
Size : 1/2" (15 NB) to 48" (1200NB)
Class : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
ASTM A182 F91 Alloy Steel Slip On Flanges
AS F91 Slip On Flanges, Alloy Steel F91 SORF Flanges, UNS K90901 Slip On Flange, DIN 1.4903 Slip On Flange, Alloy Steel F91 Slip-on Raised Face Flanges
ASTM A182 F91 Alloy Steel Weld Neck Flanges
Alloy Steel F91 Weld Neck Raised Face Flanges, Alloy Steel 1.4903 Weld Neck Flanges, UNS K90901 Weld Neck Flanges, Chrome Moly F91 WNRF Flanges
ASTM A182 F91 Alloy Steel Blind Flanges
Alloy Steel F91 Blind Flanges, Chrome Moly F91 Blind Flanges, Alloy Steel K90901 BLRF Flanges, DIN 1.4903 Blind Flanges
ASTM A182 F91 Threaded Flanges
Alloy Steel F91 Threaded Flanges, ASTM A182 Gr F91 Threaded Flanges, ANSI B16.5 Alloy Steel F91 Threaded Flanges, UNS K90901 Threaded Flanges, Chromium Molybdenum 1.4903 Threaded Flanges
CrMo F91 Socket Weld Flanges
ASTM A182 F91 Socket weld Flanges, Alloy Steel K90901 Socket weld Flanges, Alloy Steel F91 Socket weld Flanges, Alloy Steel F91 SWRF Flanges, Cr-Mo F91 Socket weld Flanges
Alloy Steel F91 Lap Joint Flanges
ASTM A182 F91 Lap Joint Flanges, UNS K90901 Lap Joint Flanges, DIN 1.4903 Lap Joint Flanges, ANSI B16.5 Alloy Steel F91 Lap Joint Flanges, Alloy Steel F91 Lapped Joint Flanges
Alloy Steel F91 Ring Type Joint Flange
ASTM A182 F91 Ring Type Joint Flange, Alloy Steel K90901 Ring Type Joint Flange, Alloy Steel F91 RTJ Flanges, Chrome Moly F91 RTJ Flange, Cr-Mo F91 Ring Type Joint Flange
Alloy Steel F91 Orifice Flanges
ASTM A182 F91 Orifice Flanges, Cr-Mo F91 Orifice Flanges, UNS K90901 Orifice Flanges, DIN 1.4903 Orifice Flanges, ANSI B16.5 Alloy Steel F91 Orifice Flanges
Alloy Steel F91 Long Weld Neck Flanges
ASTM A182 F91 Long Weld Neck Flanges, Alloy Steel K90901 Long Weld Neck Flanges, Alloy Steel F91 Long Weld Neck Flanges, Cr-Mo F91 LWN Flanges, Chrome Moly F91 Long Weld Neck Flanges
Alloy Steel F91 Spectacle Blind Flanges
ASTM A182 F91 Spectacle Blind Flanges, UNS K90901 Spectacle Blind Flanges, DIN 1.4903 Spectacle Blind Flanges, ANSI B16.5 Alloy Steel F91 Spectacle Blind Flanges
Alloy Steel F91 Forged Flanges
ASTM A182 F91 Alloy Steel Forged Flanges, Alloy Steel K90901 Forged Flanges, Alloy Steel 1.4903 Forged Flanges, Cr-Mo F91 Forged Flanges
Alloy Steel F91 Plate Flanges
ASTM A182 F91 Plate Flanges, Alloy Steel F91 Plate Flanges, UNS K90901 Plate Flanges, DIN 1.4903 Plate Flanges, ANSI B16.5 Alloy Steel F91 Plate Flanges
Chemical Composition of Alloy Steel Grade F91 Flanges
|Alloy Steel F91||0.08-0.12 max||0.3-0.6||0.5 max||0.01 max||0.02 max||8.5 – 9.5||0.85-1.05|
Mechanical Properties of ASTM A182 Alloy Steel F91 Flanges
|Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
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