Carbon Steel A694 Flanges

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Chetan Steel stands out as a trusted manufacturer and supplier based in Delhi, specializing in top-notch Carbon Steel ASTM A694 Flanges designed for high-pressure and high-stress pipeline applications. Equipped with state-of-the-art forging and machining facilities, along with rigorous quality control measures, the company ensures that its flanges meet ASTM A694 standards and align with customer specifications. Chetan Steel offers A694 flanges in a variety of grades, sizes, and pressure classes, all boasting impressive dimensional accuracy and mechanical strength. Catering to sectors like oil and gas, petrochemicals, refineries, power generation, and infrastructure, the company is recognized for its unwavering quality, competitive pricing, and prompt delivery.

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ASTM A694 Carbon Steel RTJ Flanges

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Carbon Steel A694 Flat Face Flanges

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What is Carbon Steel A694 Flanges?

Carbon Steel ASTM A694 Flanges are crafted from high-strength carbon steel, featuring a carefully controlled chemical composition that includes carbon, manganese, silicon, and micro-alloying elements. Depending on the specific grade (F42, F46, F52, F60, F65, F70), these materials deliver exceptional yield and tensile strength. Mechanically, A694 flanges excel in resisting high pressure, impact, and mechanical stress. They also demonstrate good toughness and weldability, making them well-suited for demanding service conditions in high-pressure pipeline systems.

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Carbon Steel Flanges in India

Carbon Steel A694 Flanges Specification

Specifications ASTM A694 / ASME SA694
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard ANSI, ASME, BS, DIN, EN etc.
Grades F42, F46, F52, F60, F65, F70, A36, A516 Gr. 70,60
Size 1/2″ to 48″
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)

Carbon Steel A694 Flanges Chemical Composition

Element F42 Content, % F52 Content, % F60 Content, % F65 Content, % F70 Content, %
Carbon (C) 0.13~0.20 0.16~0.22 0.17~0.23 0.17~0.23 0.06~0.10
Silicon (Si) 0.20~0.40 0.15~0.40 0.15~0.40 0.15~0.40 0.20~0.40
Manganese (Mn) 1.20~1.60 1.10~1.40 1.20~1.50 1.30~1.60 1.10~1.40
Phosphorous (P) ≤ 0.030 ≤ 0.025 ≤ 0.020 ≤ 0.025 ≤ 0.020
Sulfur (S) ≤ 0.020 ≤ 0.012 ≤ 0.012 ≤ 0.015 ≤ 0.010
Molybdenum (Mo) 0.20~0.35 0.45~0.60 0.45~0.65 1.20~1.70
Nickel (Ni) ≤ 0.30 ≤ 0.50 0.40~1.00 ≤ 0.30 0.20~0.40
Chromium (Cr) ≤ 0.30 ≤ 0.30 ≤ 0.25 ≤ 0.30 ≤ 0.30
Copper (Cu) ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25 ≤ 0.25
Vanadium (V) ≤ 0.050 0.02~0.06
Niobium (Nb) 0.025~0.050
Pcm ≤ 0.25
Carbon Equivalent ≤ 0.48 ≤ 0.48 ≤ 0.48 ≤ 0.43 ≤ 0.48

Carbon Steel A694 Flanges Mechanical Properties

ASTM A694 Grade Yield Strength min. Tensile Strength min. Elongation min.
MPa ksi MPa ksi %
A694 F42 FLANGES 290 42 415 65 20
A694 F46 FLANGES 315 46 415 60 20
A694 F48 FLANGES 330 48 425 62 20
A694 F50 FLANGES 345 50 440 64 20
A694 F52 FLANGES 360 52 455 66 20
A694 F56 FLANGES 385 56 470 68 20
A694 F60 FLANGES 415 60 515 75 20
A694 F65 FLANGES 450 65 530 77 20
A694 F70 FLANGES 485 70 565 82 18

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.

Top Manufacturer and Supplier of Carbon Steel A694 Flanges in Delhi, India

Chetan Steel is one of the most prominent manufacturers and suppliers of superior quality Carbon Steel A694 Flanges in Delhi, India. As experts in steel solutions, we supply a complete spectrum of products like Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our product range comprises Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Known for our reliable delivery and first-rate customer service, we are committed to supplying high-quality steel materials that guarantee durability and excellent performance in numerous industrial applications. 

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Types of Carbon Steel A694 Flanges

ASTM A694 Carbon Steel Weld Neck Flanges
Carbon Steel A694 Lap Joint Flanges
ANSI B16.5 Carbon Steel A694 Long Weld Neck Flanges
ASME SA694 Carbon Steel Socket Weld Flanges
A694 CS Slip On Flanges
A694 Carbon Steel Blind Flanges

ASTM A694 Flange Pressure

ASME/ANSI B 16.5Welding Neck, Slip on, Blind, High Hub Blind, Socket Weld, Lap Joint, Threaded, Ring Type Joint Flanges
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47Welding Neck, Blind [Series A & B] Flanges
PRESSURE CLASS75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36Welding Neck, Slip on, Threaded Flanges
PRESSURE CLASS300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1Welding Neck, Hubbed Slip on, Hubbed Threaded, Lapped Pipe End, Plate, Loose Plate, Loose Plate With Weld Neck, Blank Flange
PRESSURE CLASSPN 2.5 TO PN 40
BS 4504[PART 1]Welding Neck, Hubbed Slip-On Hubbed Threaded, Plate, Loose Plate With Weld On Plate Collar, Blank Flange
PRESSURE CLASSPN 2.5 TO PN 400
BS 1560 BOSSWelding Neck, Socket Welding, Slip-On, Blind, Screwed Boss, Lapped Flange
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
BS10Welding Neck, Plate Slip-On, Screwed Boss, Slip-On Boss, Blind Flange
TABLED, E, F, H
DIN FlangeDIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
PRESSURE CLASSPN 6 TO PN 100

Carbon Steel A694 Flanges Weight Chart

StandardClassDiameterBolt Circle DiameterNumber of BoltsBolt SizeDiameter of Bolt Hole
AS4087PN1495674M1214
AS 2129 FlangeTable C956741314
Table D956741314
Table E956741314
Table F956741314
Table H1148341617
Table J1148341617
ANSI B16.5ANSI 150896041316
ANSI 300956741316
ANSI 600956741316
ANSI 9001218341922
ANSI 15001218341922
ISO 7005 (DIN) FlangePN680554M1011
PN1095654M1214
PN1695654M1214
PN209060.54M1416
PN2595654M1214
PN4095654M1214

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Uses of Carbon Steel A694 Flanges

Carbon Steel ASTM A694 Flanges find extensive use in high-pressure piping systems, particularly for oil and gas transmission pipelines. They are frequently utilized in both offshore and onshore pipeline projects, compressor stations, refineries, and petrochemical plants. Additionally, these flanges are essential in power generation facilities and industrial processing units that require robust, dependable connections. With their remarkable strength, pressure-handling capabilities, and durability, ASTM A694 flanges are perfect for critical service applications where safety, reliability, and longevity are paramount.

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