Alloy Steel Flanges Specification :
ASTM A182 / ASME SA182
Alloy Steel Flanges Specification :
ASTM A182 / ASME SA182
Dimension Standard :
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)
Alloy Steel Flanges are engineered to meet the demanding requirements of high-pressure and high-temperature industrial systems. With superior strength, corrosion resistance, and precise dimensional standards, they are the preferred choice across oil & gas, petrochemical, chemical, and power industries worldwide.
Global Market Demand & Trends
The global market demand for alloy steel flanges is rising steadily, driven by large-scale energy projects, expanding refineries, and infrastructure development. Industry reports indicate a strong alloy steel flange industry growth forecast, with top exporting countries including India, China, and the UAE supplying to Gulf and international markets. The import trends of alloy steel flanges in Gulf countries reflect growing reliance on high-quality, certified flanges for critical pipeline and industrial systems.
Industrial Applications & Advantages
Alloy steel flanges are widely used in oil refineries, chemical plants, and high-pressure pipelines, where reliability and safety are crucial. They offer clear advantages over carbon steel flanges, including:
These flanges ensure leak-proof connections and optimized flow efficiency in demanding industrial systems.
Specifications & Quality Standards
Alloy Steel Flanges are manufactured according to ASTM A182 specifications, ensuring uniform chemical composition and mechanical properties. Quality-conscious buyers verify MTC and hardness requirements, testing each flange for tensile strength, dimensional accuracy, and corrosion resistance. Certified suppliers of alloy steel flanges in India provide inspection reports, ISO compliance, and traceable production batches, ensuring consistent quality for international projects.
Sourcing & Availability
Availability of alloy steel flanges is expanding, with custom sizes and various types (weld neck, slip-on, and blind flanges) easily procured through trusted suppliers. Pricing trends and availability of alloy steel flanges vary based on grade, size, and export regulations, but a focus on certified, high-quality products ensures long-term value and operational safety.
Chrome Moly Slip On Flanges
Alloy Steel F1 SORF Flanges, UNS K41545 Slip On Flanges, DIN 1.5415 SORF Flanges, ASME SA 182 Alloy Steel F5 Slip-on Raised Face Flanges
Alloy Steel Weld Neck Flanges
ASME SA182 Alloy Steel F9 WNRF Flanges, ASTM A182 Alloy Steel F11 Weld Neck Flanges, DIN 1.7362 Weld Neck Flanges, UNS K90941 Weld Neck Raised Face Flanges
Chromium Molybdenum Blind Flanges
ASTM A182 Alloy Steel F22 Blind Flanges, DIN 1.7386 Blind Flanges, ASME SA182 Alloy Steel BLRF Flanges, Alloy Steel Blind Raised Face Flanges Supplier
Alloy Steel Threaded Flanges
DIN 1.7338 Threaded Flanges, UNS K11597 Screwed Flanges, ASME SA 182 Alloy Steel Threaded Flanges, ASTM A182 Alloy Steel Threaded Flanges
Alloy Steel Socket Weld Flanges
ASTM A182 Alloy Steel Socket Weld Flanges, Alloy UNS K11562 Socket Weld Flanges, Alloy DIN 1.7335 Socket Weld Flanges
Alloy Steel Lap Joint Flanges
UNS K21590 Lap Joint Flanges, Alloy Steel F91 Lap Joint Flanges, ASTM A182 Chrome Moly Lap Joint Flanges, ASME SA182 Alloy Steel Lap Joint Flanges
Alloy Steel Ring Type Joint Flange
UNS K90901 Ring Type Joint Flange, ANSI B16.9 Alloy Steel RTJ Flanges, ASTM A182 Alloy Steel Ring Type Joint Flanges, ASME SA182 Alloy Steel F1 Ring Type Joint Flanges
Alloy Steel Orifice Flanges
UNS K21590 Orifice Flanges, B16.36 Alloy Steel F2 Orifice Flanges, ASTM A182 Alloy Steel Orifice Flanges, ASME SA 182 Chromium Molydenum F5 Orifice Flanges
Alloy Steel Long Weld Neck Flanges
UNS K41545 Long Weld Neck Flanges, Alloy Steel 1.7380 Long Weld Neck Flanges, ASTM A182 Alloy Steel Long Weld Neck Flanges, ASME SA 182 Alloy Steel F11 Long Weld Neck Flanges
Alloy Steel Spectacle Blind Flanges
UNS K90941 Spectacle Blind Flanges, ANSI / ASME B16.9 Alloy Steel Spectacle Blind Flanges, ASTM A182 Alloy Steel Spectacle Blind Flanges, ASME SA 182 Alloy Steel Spectacle Blind Flanges
Alloy Steel Forged Flanges
UNS K11597 Forged Flanges, B16.9 Alloy Steel Forged Flanges, ASTM A182 Alloy Steel F22 Forged Flanges, ASME SA182 Alloy Steel Forged Flanges
Alloy Steel Plate Flanges
UNS K90941 Plate Flanges, ANSI B16.9 Alloy Steel F91 Plate Flanges, ASTM A182 Alloy Steel Plate Flanges, ASME SA182 Alloy Steel Plate Flanges
Alloy Steel Flanges Specification :
ASTM A182 / ASME SA182
Dimension Standard :
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 / Pressure :
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type :
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges :
DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges :
JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges :
BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.
Our Alloy Steel Flanges are used in a wide range of applications and various industries. Below are a few of them:
Application Industries
Aerospace Industry
Food Processing Industry
Pulp & Paper Indusry
Energy Industry
Pharmaceuticals Industry
Power Plant Industry
Chemical Industry
Oil and Gas Industry