Home > Alloy Steel > Alloy Steel Flanges
Alloy steel flanges are fittings used in piping systems where alloy steel is preferred for its enhanced mechanical properties, including high strength, toughness, and wear resistance. Alloy steel contains additional alloying elements such as chromium, molybdenum, nickel, or vanadium, which impart specific properties to the material.
ASTM A182 Flange Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
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ASME SA182m Alloy Steel SORF Flange 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 Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
Alloy Steel ASTM A182 Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
Alloy Steel Flange Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
Alloy Steel FlangeJIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
Alloy Steel FlangeUNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
ASTM A182 FlangeEN | 6Bar 10Bar 16Bar 25Bar 40Bar |
Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
Most common types of ASME SA182m Alloy Steel Flange | Forged / Threaded / Screwed / Plate |
Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
ASTM A182 Flange Production technique |
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ASTM A182 Alloy Steel Flange 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, Groove |
Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
ASTM A182 Flange Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
ASTM A182 Alloy Steel Flange Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
Alloy Steel ASTM A182 Flange Origin | Indian / West Europe / Japan / USA / Korean |
Manufacturer of Alloy Steel Flange | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
: -BS Flange, EN Flange, API 6A Flange, 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
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Alloy Steel Flange Uses & application |
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Alloy Steel ASTM A182 Flange Export to | Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
Grade | C | Mn | Si | S | P | Cr | Mo |
A182 F5 | ≤0.15 | ≤0.6 | ≤0.5 | ≤0.04 | ≤0.03 | 4-6 | 0.44-0.65 |
A182 F9 | ≤0.15 | ≤0.6 | 1.00 | ≤0.03 | ≤0.03 | 8-10 | 0.90-1.10 |
A182 F11 | 0.05-0.2 | 0.3-0.8 | 0.5-1 | ≤0.030 | ≤0.030 | 1-1.5 | 1-1.5 |
A182 F22 | 0.05-0.15 | 0.3-0.6 | ≤0.5 | ≤0.04 | ≤0.04 | 2-2.5 | 0.87-1.13 |
A182 F91 | 0.05-0.15 | 0.3-0.6 | ≤0.5 | ≤0.04 | ≤0.04 | 2-2.5 | 0.87-1.13 |
Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
A182 F5 | 415 – 585 | ≥205 | ≥20 |
A182 F9 | 380 min | 585 min | ≥30 |
A182 F11 | 415 – 585 | ≥205 | ≥20 |
A182 F22 | 415-585 | ≥205 | ≥20 |
A182 F91 | ≥590 | ≥415 | ≥20 |
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We offer These Alloy Steel Flanges as per DIN, ISO, JIS or ANSI Standard.
Since alloy steel flanges have excellent mechanical qualities and are resistant to wear corrosion, and high temperatures, they are widely used in various industries. These flanges are widely used in the oil and gas, petrochemical, power generation, and aerospace industries. They play an important part in joining equipment, valves, and pipe systems. They are perfect for applications exposed to severe operating conditions, such as high temperatures, high pressures, and corrosive environments, because of their exceptional strength, toughness, and wear resistance.
Yes, Alloy steel flanges are readily weldable using common welding techniques, ensuring ease of fabrication and installation while maintaining mechanical properties.
Alloy steel flanges require minimal maintenance due to their corrosion resistance and durability, but periodic inspections and cleaning may be necessary to ensure optimal performance and longevity.
Yes, alloy steel is a recyclable material, making alloy steel flanges environmentally friendly and contributing to sustainability efforts.
The maximum temperature at which alloy steel flanges can operate depends on the specific alloy grade and its thermal stability. Some alloy steel grades can withstand temperatures up to 1000°C or higher.
Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
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AS4087 Flanges | PN14 Flanges | 95 | 67 | 4 | M12 | 14 |
AS 2129 Flange | Table C Flanges | 95 | 67 | 4 | 13 | 14 |
Table D Flanges | 95 | 67 | 4 | 13 | 14 | |
Table E Flanges | 95 | 67 | 4 | 13 | 14 | |
Table F Flanges | 95 | 67 | 4 | 13 | 14 | |
Table H Flanges | 114 | 83 | 4 | 16 | 17 | |
Table J Flanges | 114 | 83 | 4 | 16 | 17 | |
ANSI B16.5 Flanges | ANSI 150 Flanges | 89 | 60 | 4 | 13 | 16 |
ANSI 300 Flanges | 95 | 67 | 4 | 13 | 16 | |
ANSI 600 Flanges | 95 | 67 | 4 | 13 | 16 | |
ANSI 900 Flanges | 121 | 83 | 4 | 19 | 22 | |
ANSI 1500 Flanges | 121 | 83 | 4 | 19 | 22 | |
ISO 7005 (DIN) Flange | PN6 Flanges | 80 | 55 | 4 | M10 | 11 |
PN10 Flanges | 95 | 65 | 4 | M12 | 14 | |
PN16 Flanges | 95 | 65 | 4 | M12 | 14 | |
PN20 Flanges | 90 | 60.5 | 4 | M14 | 16 | |
PN25 Flanges | 95 | 65 | 4 | M12 | 14 | |
PN40 Flanges | 95 | 65 | 4 | M12 | 14 |
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