Alloy Steel Flanges Supplier

Alloy Steel Flanges are essential in industrial applications where high strength and durability are required. These flanges are manufactured from steel alloys, providing superior corrosion resistance, extended lifespans, and better performance. Alloy steel flanges have become a popular means of connecting pipes and fittings in industries such as oil and gas, chemicals, and refining. Companies can use alloy steel flanges to ensure their pipelines are secure and leak-free, preventing costly accidents and downtime.

ANSI B16.5 Alloy Steel F1 Flanges, Alloy Steel F5 Flanges, Alloy Steel F12 Flanges, UNS K12822 Flanges, Alloy Steel 1.5415 Flanges, Alloy Steel S31603 Flanges, Alloy Steel F91 Flanges, Alloy Steel K11562 Flanges Stockist, Alloy Steel Flanges Manufacturers In India, Alloy Steel Spectacle Blind Flanges, Alloy Steel Flange Manufacturers, Large Alloy Steel Flange, Threaded Alloy Steel Flange, Alloy Steel Flange Supplier, ASTM A182 F9 Alloy Steel Flanges Supplier in Mumbai, India.

Alloy Steel F5 Flanges can be used in various industries, including chemical processing plants, oil refineries, power plants, pulp & paper mills, food processing plants, and more. They can also be used in large-scale industrial piping systems such as water treatment facilities or gas pipelines. Alloy Steel F22 Flanges provide a strong connection between different sections of pipe while still allowing for flexibility when needed. In addition to our range of Alloy Steel Flanges, we also offer a variety of Titanium Grade 5 Flanges to meet your piping needs

F91 Alloy Steel Slip-On Flanges, F5 Alloy Steel Weld Neck Flanges, AISI F11 Alloy Steel Blind Flanges, 1.4903 Alloy Steel Forged Flanges Exporter, Alloy Steel 1.7386 Threaded Flanges, ASME SA 182 Alloy Steel F9 Ring Type Joint Flange, Alloy Steel 1.7380 Socket Weld Flange, F12 Loose Flanges, F5 Alloy Steel Industrial Flanges, Alloy Steel Flanges Manufacturers, Alloy Steel Flanges Supplier, Customized Alloy Steel Flange, Alloy Steel Flanges Factory, F22 Alloy Steel Reducing Flanges Manufacturer in India.

Alloy Steel F9 Flanges offer several advantages over other types of connections, including increased strength and durability compared to other steels and improved corrosion resistance due to its higher chromium content. Alloy Steel F11 Flanges are also highly resistant to thermal cycling, which makes it an ideal choice for certain high-temperature applications such as steam lines or boilers where temperatures may fluctuate rapidly over short periods. Additionally, they can withstand high pressures of up to 20 KSI (kilopounds per square inch).

Alloy Steel F91 Flanges come in various shapes and sizes to suit any application. The most common types are butt-welded, socket-welded, threaded, and slip-on flanges. Butt-welded flanges are used when welding is required at the end of the pipe or for high-pressure applications. Socket welded flanges are designed for low-pressure applications where welding isn't required. Threaded flanges are used when the pipes must be joined with bolts or screws. Slip-on flanges are easy to install and require no welding or bolting. At Metcore Steel, we pride ourselves on providing excellent customer service and offering a wide range of products, including Alloy Steel Flanges and SMO 254 Pipe Fittings.


ASTM A182 F1 flanges are made of low-alloy steel and are used in applications that require high-temperature resistance, such as petrochemical & gas industries.
Alloy Steel F91 Flanges are used in applications that require high-temperature & corrosion resistance, such as chemical & petrochemical industries & power generation, oil & gas.
The benefits of Alloy Steel F1 Flanges include high-temperature and corrosion resistance, durability & long service life.

Alloy Steel F1 Flanges Specification

Specifications :

Dimensions :

Standard :

Size :

Class/Pressure :

Flange Face Type :

ASTM A182, ASTM A182

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

1/2" (15 NB) to 48" (1200NB)

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Alloy Steel F5 Flanges Equivalent Grades

STANDARD UNS WERKSTOFF NR.
Alloy Steel F1 K12822 1.5415
Alloy Steel F5 K41545 1.7362
Alloy Steel F9 K90941 1.7386
Alloy Steel F11 K11597 / K11572 1.7335
Alloy Steel F12 K11562 / K11564 -
Alloy Steel F22 K21590 1.7380
Alloy Steel F91 K90901 1.4903

Alloy Steel F9 Flanges Chemical Composition

Grade C Mn P S Si Ni Ch Mo Cb
F1 0.16 0.60 - - 0.40 max - - 0.30 -
F5 0.25 0.60 0.040 0.030 0.50 0.50 4.0-6.0 0.44-0.65 -
F9 0.15 0.30-0.60 0.030 0.030 0.50-1.00 - 8.0-10.0 0.90-1.10 -
F11 0.15 0.30-0.60 0.030 0.030 0.50-1.00 - 1.00-1.50 0.44-0.65 -
F12 0.05-0.15 0.30-0.60 0.045 0.045 0.50 max - 0.80-1.25 0.44-0.65 -
F22 0.05-0.15 0.30-0.60 0.040 0.040 0.50 - 2.00-2.50 0.87-1.13 -
F91 0.08-0.12 0.30-0.60 0.020 0.010 0.20-0.50 0.40 8.0-9.5 0.85-1.05 0.06-0.10

Alloy Steel F11 Flanges Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
F1 570 295 23 - -
F5 485 275 20 - 143-217
F9 585 380 20 - 179-217
F11 415 205 20 - 121-174
F12 415 220 20 - 121-174
F22 415 205 20 - 170 max
F91 585 415 20 - 248 max


Alloy Steel F12 Flanges Available Types

Alloy Steel F1 / F5 / F9 / F11 / F12 / F22 / F91 Slip On Flanges
  • Alloy Steel F1 Slip On Flanges
  • Alloy Steel F9 Slip On Flanges
  • Alloy Steel F12 Slip On Flanges
  • Alloy Steel K41545, S31603, K21590, K90901 Slip On Flanges
  • 1.7362, 1.7386, 1.7380, 1.4903 Slip On Flanges
  • ASTM A182 Alloy Steel F1 Slip On Flanges (SORF)
  • ASME SA 182 Alloy Steel F91 Slip On Flanges
Alloy Steel F1 / F5 / F9 / F11 / F12 / F22 / F91 Weld Neck Flanges
  • Alloy Steel F1 Weld Neck Flanges
  • Alloy Steel F5 Weld Neck Flanges
  • Alloy Steel F11 Weld Neck Flanges
  • Alloy Steel K12822, K90941, K11562, K90941 Weld Neck Flanges
  • 1.5415, 1.7335, 1.7380, 1.4903 Weld Neck Flanges
  • ASTM A182 Alloy Steel F9 Weld Neck Flanges (WNRF)
  • ASME SA 182 Alloy Steel F22 Weld Neck Flanges
Alloy Steel F1 / F5 / F9 / F11 / F12 / F22 / F91 Socket Weld Flanges
  • Alloy Steel F91 Socket Weld Flanges
  • Alloy Steel F9 Socket Weld Flanges
  • Alloy Steel F12 Socket Weld Flanges
  • Alloy Steel K41545, K11597, K21590, K90901 Socket Weld Flanges
  • 1.7362, 1.7386, 1.7380, 1.4903 Socket Weld Flanges
  • ASTM A182 Alloy Steel F1 Socket Weld Flanges (SWRF)
  • ASME SA 182 Alloy Steel F22 Socket Weld Flanges
Alloy Steel F1 / F5 / F9 / F11 / F12 / F22 / F91 Blind Flanges
  • Alloy Steel F1 Blind Flanges
  • Alloy Steel F5 Blind Flanges
  • Alloy Steel F11 Blind Flanges
  • Alloy Steel K12822, K90941, K11562, K90901 Blind Flanges
  • 1.5415, 1.7335, 1.7380, 1.4903 Blind Flanges
  • ASTM A182 Alloy Steel F91 Blind Flanges (BLRF)
  • ASME SA 182 Alloy Steel F22 Blind Flanges
Alloy Steel F1 / F5 / F9 / F11 / F12 / F22 / F91 Ring Type Joint Flanges
  • Alloy Steel F1 Ring Type Joint Flanges
  • Alloy Steel F9 Ring Type Joint Flanges
  • Alloy Steel F12 Ring Type Joint Flanges
  • Alloy Steel K41545, K11597, K21590, K90941 Ring Type Joint Flanges
  • 1.7362, 1.7386, 1.7380, 1.4903 Ring Type Joint Flanges
  • ASTM A182 Alloy Steel F11 Ring Type Joint Flanges (RTJ)
  • ASME SA 182 Alloy Steel F91 Ring Type Joint Flanges
Alloy Steel F1 / F5 / F9 / F11 / F12 / F22 / F91 Long Weld Neck Flanges
  • Alloy Steel F1 Long Weld Neck Flanges
  • Alloy Steel F5 Long Weld Neck Flanges
  • Alloy Steel F11 Long Weld Neck Flanges
  • Alloy Steel K12822, K90941, K11562, K90901 Long Weld Neck Flanges
  • 1.5415, 1.7335, 1.7380, 1.4903 Long Weld Neck Flanges
  • ASTM A182 Alloy Steel F91 Long Weld Neck Flanges
  • ASME SA 182 Alloy Steel F22 Long Weld Neck Flanges

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