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Prime Steel is a trusted name in the industry, known for manufacturing and supplying top-quality alloy steel flanges. With a commitment to reliability and excellence, we offer a wide range of A182 Flanges crafted from premium-grade alloy steel materials. Our A182 F91 Flanges are meticulously designed to meet the diverse needs of industries such as oil and gas, petrochemical, and construction.We prioritize precision engineering and stringent quality control measures to ensure that every product meets the highest standards of durability and performance. Choose Prime Steel for dependable solutions that meet your alloy steel flange requirements with precision and confidence.
Type: Flanged Pipe Fittings
Material: Alloy Steel
ASTM: A182 /SA182
Grade: F1/F5/F9/F11/F12/F22/F91
UNS: K12822/ K41545/ K90941/ K11597/ K11562/ K11564/ K21590/ K90901
WERKSTOFF:1.5415/ 1.5415/ 1.7386/ 1.7338/ 1.7380/ 1.4903
ASTM A182/ ASME SA182 F1/F5/F9/F11/F12/F22/F91
15mm ( 1/2" NPS ) up to 600mm ( 24" NPS ), For 2500# in sizes from NPS 1/2 to NPS 12
FF—Flat Face, RF—Raised Face, FM—Female Face, M—Male Face, T—Tongue Face, G—Groove Face, RJ—Ring Joint.
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64.
Chemical Processing, Oil and Gas Industry, Petrochemical Industry
ASTM A182 is a specification encompassing forged or rolled alloy-steel pipe flanges, forged fittings, and valves intended primarily for high-temperature service. Within this specification, alloy steel flanges play a critical role in piping systems, providing connections and sealing points in various industrial applications.
Alloy steel flanges under ASTM A182 are made from materials containing a combination of alloying elements such as chromium, molybdenum, nickel, vanadium, and others. These alloying elements impart specific properties to the flanges, including enhanced corrosion resistance, high-temperature strength, and durability.
ASTM A182 specifies several grades of alloy steel flanges, including F1, F5, F9, F11, F12, F22, and F91. Each grade has unique chemical compositions and mechanical properties tailored to specific applications and service conditions.
ASTM A182 F1 Flange: These are low alloy steel flanges suitable for low-temperature services. They typically offer good resistance to corrosion and are commonly used in industries such as oil and gas, petrochemicals, and power generation.
ASTM A182 F5 Flange: F5 grade flanges contain higher levels of chromium and molybdenum, which provide enhanced corrosion resistance and high-temperature strength. They are often used in high-pressure and high-temperature applications, including refineries, boilers, and heat exchangers.
ASTM A182 F9 Flange: F9 grade flanges are designed for applications requiring resistance to creep deformation and improved toughness. They find applications in industries such as power generation, petrochemicals, and chemical processing.
ASTM A182 F11 Flange: Similar to F5, F11 flanges have added elements like vanadium and nickel, which contribute to increased corrosion resistance and elevated-temperature strength. They are commonly used in industries where resistance to corrosion and oxidation at high temperatures is crucial.
ASTM A182 F12 Flange: F12 grade flanges contain higher levels of chromium, molybdenum, and vanadium compared to F5 and F11. This results in superior corrosion resistance and high-temperature strength, making them suitable for high-pressure and high-temperature environments.
ASTM A182 F22 Flange: F22 grade flanges incorporate additional elements such as tungsten and vanadium, providing improved creep strength and resistance to oxidation and corrosion at high temperatures. They are widely used in power plants, petrochemical refineries, and other high-temperature service conditions.
ASTM A182 F91 Flange: F91 grade flanges are characterized by their high chromium and molybdenum content, offering excellent corrosion resistance and superior mechanical properties at elevated temperatures. They are ideal for demanding applications in oil and gas processing, chemical plants, and power generation.
Check ANSI/ASME B16.5, B 16.47 Series A & B, B16.48 Flange Dimensions Download
| STANDARD | UNS | Trade Name | WERKSTOFF NR. |
|---|---|---|---|
| Alloy Steel F1 | K12822 | 1/2Mo | 1.5415 |
| Grade | C | Mn | Si | Mo | P | S | Cr |
|---|---|---|---|---|---|---|---|
| Alloy Steel F1 | 0.15 max | 0.3-0.6 | 0.5 | 0.44-0.65 | 0.03 | 0.03 | 4-6 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F1 | 485 | 275 | 20 |
| STANDARD | UNS | Trade Name | WERKSTOFF NR. |
|---|---|---|---|
| Alloy Steel F5 | K41545 | 5Cr-1/2Mo | 1.7362 |
| Grade | C | Mn | Si | Mo | P | S | Cr |
|---|---|---|---|---|---|---|---|
| Alloy Steel F5 | 0.15 max | 0.3-0.6 | 0.5 | 0.44-0.65 | 0.03 | 0.03 | 4-6 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F5 | 485 | 275 | 20 |
| STANDARD | WERKSTOFF NR. | UNS | Trade Name |
|---|---|---|---|
| Alloy Steel F9 | 1.7386 | K90941 | 9Cr-1Mo |
| Grade | C | Mn | Si | Mo | P | S | Cr |
|---|---|---|---|---|---|---|---|
| Alloy Steel F9 | 0.15 max | 0.3-0.6 | 0.5 – 1 | 0.9 – 1.1 | 0.03 | 0.03 | 8 – 10 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F9 | 585 | 380 | 20 |
| STANDARD | WERKSTOFF NR. | UNS | Trade Name |
|---|---|---|---|
| Alloy Steel F11 | 1.7338 | K11597 | 1-1/4Cr-1/2Mo |
| Grade | C | Mn | Mo | Si | P | S | Cr |
|---|---|---|---|---|---|---|---|
| Alloy Steel F11 | 0.15 max | 0.3-0.6 | 0.044 – 0.65 | 0.5 – 1 | 0.03 | 0.03 | 1 – 1.5 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F11 | 415 | 205 | 20 |
| STANDARD | UNS | WNR. |
| ASTM A182 F12 | K11562 / K11564 | - |
| Grade | C | si | mn | s | P | Cr | Mo |
| A182 F12 | 0.10 - 0.20 | 0.50 - 0.80 | 0.40 - 0.65 | 0.040 | 0.025 | 1.00 - 1.50 | 0.44 - 0.65 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| A182 F12 | 205 | 415 | 20 |
| STANDARD | UNS | WERKSTOFF NR. | Trade Name |
|---|---|---|---|
| Alloy Steel F22 | K21590 | 1.7380 | 2-1/4Cr-1/2Mo-Vd |
| Grade | C | Mn | Si | Mo | P | S | Cr |
|---|---|---|---|---|---|---|---|
| Alloy Steel F22 | 0.05 – 0.15 | 0.3 – 0.6 | 0.5 | 0.044 – 0.65 | 0.045 | 0.03 | 0.8 – 1.25 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F22 | 415 | 205 | 20 |
| STANDARD | WERKSTOFF NR. | UNS | Trade Name |
|---|---|---|---|
| Alloy Steel F91 | 1.4903 | K90901 | 9Cr-1Mo-V |
| Grade | C | Mn | Si | Mo | P | S | Cr |
|---|---|---|---|---|---|---|---|
| Alloy Steel F91 | 0.08 – 0.12 | 0.3 – 0.6 | 0.5 | 0.85 – 1.05 | 0.01 | 0.02 | 8.5 – 9.5 |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min |
|---|---|---|---|
| Alloy Steel F91 | 585 | 415 | 20 |
