ASTM A182 F1, F5, F9, F11, F22, F91 Alloy Steel Flanges Manufacturers
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Exporter of Flanges, ASTM A182 F5, F9, F22, F91 Alloy Steel Flanges As Per ANSI B16.5, BS10 TABLE D, TABLE E
Burkhard Steel Industries is a leading manufacturer and exporter of stainless steel flanges, Stainless Steel pipe fittings and flanges in India with over 3 decades of industry experience. We specialize in manufacturing high-quality products in accordance with ASME B16.9 / ASME B16.11 standards while maintaining world-class quality, competitive pricing, and continuous innovation through advanced manufacturing systems and efficient production processes.
With a modern manufacturing infrastructure in Gujarat, India, Burkhard Steel Industries has made substantial investments in advanced production technology, automation systems, sophisticated machinery, and sustainable manufacturing processes to establish a world-class production environment. We source premium-quality raw materials from trusted and globally recognized suppliers and manufacture products in compliance with ASME, EN, ISO, and DIN standards to ensure superior quality, reliable performance, timely delivery, and complete customer satisfaction.
As a growing exporter of stainless steel pipe fittings from India, Burkhard Steel Industries Pvt. Ltd. has developed a strong international presence across Sri Lanka, Kingdom of Saudi Arabia, Kuwait, Thailand, Indonesia, Trinidad (West Indies), Iran, United Arab Emirates (UAE), Taiwan (R.O.C.), Singapore, Qatar, and Japan. Through consistent quality standards and dependable service, we continue to strengthen our position as a trusted pipe fittings and flanges exporter from Gujarat, India.
Table of Content
What is A182 Alloy Steel Flanges?
Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
This specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service. After hot working, forgings shall be cooled to a specific temperature prior to heat treatment, which shall be performed in accordance with certain requirements such as heat treatment type, austenitizing/solution temperature, cooling media, and quenching. The materials shall conform to the required chemical composition for carbon, manganese, phosphorus, silicon, nickel, chromium, molybdenum, columbium, titanium. The material shall conform to the requirements as to mechanical properties for the grade ordered such as tensile strength, yield strength, elongation, Brinell hardness. All H grades and grade F 63 shall be tested for average grain size.
A182 Alloy Steel Flanges Specifications
Name | A182 F22 Alloy Steel WN Flange/Weld Neck Flange |
Standard | ANSI B16.5, ANSI B16.47 |
Material Grade | Carbon Steel: A105 Stainless Steel:304,304L,316L,UNS31803Etc. |
Outer Diameter | 1/2″-80″, DN6-DN2400 |
Pressure | CLASS 150LB -CLASS 3000LB |
Technology | Forged flange |
Surface | As customer request |
Application | Pipeline and valves connection |
MOQ | 1 piece |
Productivity | 1000000 Pieces/Month |
Payment term | Any payment term is acceptable. |
Packing | Wooden case or pallet packing. |
Delivery | 7-25 days |
Material | Size (mm) | SCH/ CLASS | Type | Specification | Manufacturing Method |
SS/AS/CS/LTCS Flange | 15NB to 600NB ANSI Standard B16.5 | 150#, 300#,900#, 1500#, 2500# | WNRF, SORF, BLRF, SWRF, RING JOINT | A182/A105/ A350LF | FORGED |
SS/AS/CS/LTCS Flange | 650NB to 1500NB ASME/ANSI B16.47 SER.B (API 605) | Class 75/150/300 | WNRF, BLRF | A182/A105/ A350LF | FORGED |
SS/AS/CS/LTCS Flange | 650NB to1500NB ASME/ANSI B16.47 SER.A (MSS SP 44) | Class 150/300/600 | WNRF, BLRF | A182/A105/ A350LF | FORGED |
SS/AS/CS/LTCS Flange | 1000NB to 3000NB AWWA C207 Flanges | Table 1 *Class B (86 PSI) *Class D(150-175PSI) Table 2 *Class B (86 PSI) *Class D(150-175PSI) Table 3 *Class E (275 PSI) | SLIP ON FF, BLIND FF SLIP ON FF WITH HUB, BLIND FF SLIP ON FF WITH HUB, BLIND FF | A182/A105/ A350LF A182/A105/ A350LF A182/A105/ A350LF | FORGED/PLATE FORGED FORGED |
SS/AS/CS/LTCS Flange | 10NB to 1500NB JIS & KS Flanges | Class 5K, 10K, 16K, 20K, 30K | SLIP ON, WELD NECK | A182/A105/ A350LF | FORGED/PLATE |
SS/AS/CS/LTCS Flange | 10NB to 1000NB DIN Flanges | Class 6Bar, 10Bar, 16Bar, 25Bar, 40Bar | SLIP ON, BLIND, WELD NECK | A182/A105/ A350LF | FORGED/PLATE |
SS/AS/CS/LTCS Flange | 650NB to 900NB BS 3293 Flanges | 150lb/sq.in, 300lb/sq.in., 600lb/sq.in | WELD NECK | A182/A105/ A350LF | FORGED |
We procure Raw Materials from Japanese Mills, US Mills, European Mills, Indian Mills, South Korean Mills
A182 Flange Grade | EN | W.nr. | Heat treatment | surface condition | round size (mm) |
F11 / F12 | – | – | Normalize and Tempered Annealed | hot rolledpeeledforged turned | 30-220 |
F22 class 3 | 10CrMo9-10 | 1.7380 | Normalize and Tempered Annealed | hot rolledpeeledforged turned | 30-400 |
F5 | X11CrMo9-1 | 1.7362 | Normalize and Tempered Annealed | hot rolledpeeledforged turned | 30-220 |
F9 | 12CrMo9-10 | 1.7386 | Normalize and Tempered Annealed | hot rolledpeeledforged turned | 30-400 |
F91 | X10CrMoVnB9-1 | 1.4903 | Normalize and Tempered Annealed | hot rolledpeeledforged turned | 30-400 |
EQUIVALENT GRADES & APPLICATIONS
Material Group | Common Name | Type | UNS | Forging Spec. | Casting Spec. Equivalent | DIN | DIN W. No | Application |
Low Alloy Steel | Moly Steel | C-1/2Mo | K12822 | A182-F1 cl2 | A217-WC1 | 15M03 | 1.5415 | Up to 470ºC* (875ºF) |
Alloy Steel Chrome Moly | 1.1/4Cr-1/2Mo | K11572 | A182-F11 cl2 | A217-WC6 | 13CRM044 | 1.7335 | Up to 593ºC (1100ºF) | |
2.1/4Cr-1Mo | K21590 | A182-F22 cl3 | A217-WC9 | 10CRM0910 | 1.7380 | Up to 593ºC (1100ºF), HP steam | ||
5Cr-1/2Mo | K41545 | A182-F5/F5a | A217-C5 | 12CRMO195 | 1.7362 | High temp refinery service | ||
9Cr-1Mo | K90941 | A182-F9 | A217-C12 | X 12 CrMo 9 1 | 1.7386 | High temp erosive refinery service | ||
9Cr-1Mo-V | A182-F91 | A217-C12A | X 10 CrMoVNb 9 1 | 1.4903 | High pressure steam |
Origin : Ukraine Origin, US Origin, European Origin, Japan Origin, Korean Origin
CHEMICAL COMPOSITION & MECHANICAL PROPERTIES ASTM A182
ELEMENT & PROPERTIES | LOW ALLOY STEEL F11 CL2 | LOW ALLOY STEEL F22 CL3 | MEDIUM ALLOY STEEL F5 | MEDIUM ALLOY STEEL F9 |
CARBON | 0.10-0.20 | 0.05-0.15 | 0.15 MAX | 0.15 MAX |
MANGANESE | 0.30-0.80 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 |
PHOSPHORUS MAX | 0.040 | 0.040 | 0.03 | 0.030 |
SULFUR MAX | 0.040 | 0.040 | 0.03 | 0.030 |
SILICON | 0.50-1.00 | 0.50 MAX | 0.50 MAX | 0.50-1.00 |
NICKEL MAX | – | – | 0.50 | – |
CHROMIUM | 1.00-1.50 | 2.00-2.50 | 4.00-6.00 | 8.0-10.0 |
MOLYBDENUM | 0.44-0.65 | 0.87-1.13 | 0.44-0.65 | 0.90-1.10 |
OPPER MA | – | – | – | – |
COLUMBIUM MAX | – | – | – | – |
VANDIUM MAX | – | – | – | – |
TENSILE STRENGTH PSI (MPA) | 70,000 (485) | 75,000 (515) | 70,000 (485) | 85,000 (585) |
YIELD STRENGTH PSI MIN | 40,000 (275) | 45,000 (310) | 40,000 (275) | 55,000 (380) |
ELONGATION 2” % MIN | 20 | 20 | 20 | 20 |
REDUCTION AREA % MIN | 30 | 30 | 35 | 40 |
HARDNESS (HB) MAX* | 143 ~ 207 | 156 ~ 207 | 143 ~ 217 | 179 ~ 217 |
FORGED | CAST |
Stainless Steel | |
ASTM A105N | ASTM A216 WCB/WCC |
ASTM A350 LF2 | ASTM A352 LCB/LCC |
ALLOY STEEL | |
ASTM A350 LF3 | ASTM A352 LC3 |
ASTM A182 F5A/F5 | ASTM A217 C5 |
ASTM A182 F9 | ASTM A217 C12 |
ASTM A182 F11 | ASTM A217 WC6 |
ASTM A182 F22 | ASTM A217 WC9 |
ASTM A182 F91 | ASTM A217 C12A |
AUSTENITIC STAINLESS STEEL | |
ASTM A182 F304/F304L | ASTM A351 CF8/CF3 |
ASTM A182 F316/F316L | ASTM A351 CF8M/CF3M |
ASTM A182 F347 | ASTM A351 CF8C |
ASTM A182 F321 | |
ASTM A182 F44 (6MO) | ASTM CK3MCuN |
ASTM A182 F20* (ALLOY 20) | ASTM A351 CN7M |
FERRITIC-AUSTENITIC STAINLESS STEEL | |
ASTM A182 F51 – UNS S31803 (DUPLEX S.S.) | ASTM A351 CD3MN |
ASTM A182 F53 – UNS S32750 (SUPER DUPLEX S.S.) | A890 GR.5A CE3MN* |
ASTM A182 F55 – UNS S32760 (SUPER DUPLEX S.S.) | A890 GR.6A CD3MWCuN |
NICKEL ALLOY | |
INCONEL 825 – UNS N08825 ASTM B564-N08825 | A484 CU 5MCuC* |
INCONEL 600 – UNS N06600 ASTM B564-N06600 | A494 CY40* |
INCONEL 625 – UNS N06625 ASTM B564-N06625 | A494 CW6MC* |
MONEL 400 – UNS N04400 ASTM B564-N04400 | A494 M35-1 |
TITANIUM | |
ASTM B381 GR.F2 | ASTM B367 GR.C2 |
ASTM B381 GR.F3 | ASTM B367 GR.C3 |
A182 Alloy Steel Plate Flange
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD FLANGES manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Flat Flange
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD FLAT FLANGES manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Slip on Flange
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Slip On Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Weld Neck Flange
Are you looking for A182 Alloy Steel Flanges manufacturers in India? Check price before you Buy.
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Weld Neck Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Long Weld Neck Flanges
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Long Weld Neck Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Blind Flange
ASTM A182 F5, F9, F22, F91 ALLOY STEEL BLIND FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Blind Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Higher pressures available
A182 Alloy Steel Socket Weld Flange
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Socket Weld Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Threaded Flange
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Threaded Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Screwed Flange
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Screwed Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Lap Joint Flange
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Lap Joint Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
A182 Alloy Steel Forged Flanges
ASTM A182 F5, F9, F22, F91 ALLOY STEEL FLANGES AS PER ANSI B16.5, BS10 TABLE D, TABLE E, DIN STANDARD Forged Flanges manufacturers in India
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size 1/2″ to 36″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.