Alloy Steel F1 Flanges

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Filiz Steel, a trusted manufacturer and supplier from Istanbul, Turkey, offers high-quality Alloy Steel F1 Flanges designed for strength, durability, and reliable performance. These flanges are precision-made to connect pipes, valves, and machinery components securely, ensuring leak-free and safe operations. Filiz Steel ensures every F1 Flange meets strict quality standards, providing consistent performance even in demanding industrial environments. With excellent resistance to pressure, heat, and corrosion, Alloy Steel F1 Flanges are widely used in industries like oil and gas, power plants, chemical processing, and construction, offering long-lasting, dependable service.

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Alloy Steel F1 RTJ Flanges

Alloy Steel F1 Forged Flanges

Alloy Steel F1 Plate Flanges

Table of Contents

What is Alloy Steel F1 Flanges?

Alloy Steel F1 Flanges are made from alloyed steel containing carbon, chromium, nickel, molybdenum, and manganese. This composition provides excellent strength, toughness, and resistance to corrosion and high temperatures. These flanges have high tensile and yield strength, making them capable of withstanding pressure and heavy mechanical stress. They are also easily weldable and machineable, ensuring proper fitting and installation. The combination of durability, hardness, and flexibility allows Alloy Steel F1 Flanges to perform reliably in critical piping and machinery systems where safety and longevity are essential.

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Alloy Steel Flanges

Alloy Steel F1 Flanges Specification

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.


Alloy Steel F1 Flanges Chemical Composition

Grade C Mn P S Si Ni Ch Mo Cb
F1 0.28 0.60 – 0.90 0.045 0.045 0.15 – 0.30 0.44-0.65

Alloy Steel F1 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 485 275 20 143-192

Alloy Steel F1 Flanges Equivalent Grades

STANDARD DIN WERKSTOFF NR. DIN UNS
ASTM A182 F1 Flanges 1.5415 15M03 K12822

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Alloy Steel F1 Flanges Size

Size in (Inches)Size in (Millimeter)Number of BoltsBolt Size Of UNCLength Of RF StudSize Of ISO StudLength Of Machine Bolts
Class 300 Flange
1/21541/265M1455
3/42045/875M1665
12545/875M1665
1 1/43245/885M1670
1 1/24043/490M2075
25085/890M1675
2 1/26583/4100M2085
38083/4110M2090
3 1/29083/4110M2095
410083/4115M2095
512583/4120M20110
6150123/4120M20110
8200127/8140M24120
10250161160M27140
12300161 1/8170M30145
14350201 1/8180M30160
16400201 1/4190M33165
18450241 1/4195M33170
20500241 1/4205M33185
24600241 1/2230M39205

Top Manufacturer and Supplier of Alloy Steel F1 Flanges in Istanbul, Turkey​

Filiz Steel is a top manufacturer and supplier of high-quality Alloy Steel F1 Flanges products in Istanbul, Turkey. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.

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Types of Alloy Steel F1 Flanges

Alloy Steel F1 Socket Weld Flanges
Alloy Steel F1 Long Weld Neck Flanges
Alloy Steel F1 Lap Joint Flanges
Alloy Steel F1 Ring Type Joint Flange
Alloy Steel F1 Weld Neck Flanges
Alloy Steel F1 Blind Flanges

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Uses of Alloy Steel F1 Flanges

Alloy Steel F1 Flanges are widely used in industries that require secure and strong connections between pipes, valves, and equipment. They are commonly applied in oil and gas pipelines, chemical processing plants, power plants, and water treatment systems. These flanges are ideal for high-pressure and high-temperature environments, providing leak-proof joints and reliable service. They are also used in machinery and industrial frameworks where durability and resistance to stress are important. By using Alloy Steel F1 Flanges, industries can ensure safety, reduce maintenance, and maintain efficient operations in challenging working conditions.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry