Flanges are critical in connecting pipes and valves in various piping systems. They provide a secure and leak-proof seal while allowing easy inspection, cleaning, and maintenance access. Carbon steel A105/A105N flanges are some of the most commonly used in industrial applications. Carbon Steel A105/A105N Flanges are commonly used in various industrial applications due to their strength, durability, and reliability. Their mechanical properties, chemical composition, corrosion resistance, and heat treatment make them ideal for high-temperature and high-pressure environments.
Features of Carbon Steel A105 Flanges
Carbon steel A105 flanges are made from steel with a carbon content of 0.35%, which makes them exceptionally strong and durable. They have great mechanical properties, including high yield strength and excellent toughness, which ensures their longevity and reliability. Carbon steel A105 flanges are also heat-resistant, making them ideal for high-temperature applications.
Table Content
Chemical Composition of Carbon Steel A105 Flanges
Carbon steel A105 comprises several elements such as carbon (0.35%), manganese (0.6-0.9%), silicon (0.1-0.35%), phosphorus (0.035% max), sulfur (0.04% max), and trace amounts of other elements. The chemical composition of A105 flanges is significant in determining their mechanical and physical properties, making it essential to use the correct composition during production.
Corrosion Resistance of Carbon Steel A105N Flanges
Carbon steel A105N flanges contain additional nickel (Ni) and chromium (Cr) elements to enhance their corrosion resistance. The nickel and chromium components form a protective film on the surface of the flange, preventing oxidation and corrosion. The A105N flange is also resistant to erosion, which is prevalent when fluids have suspended solids.
Heat Treatment of Carbon Steel A105N Flanges
Heat treatment is an essential process in the production of A105N flanges. The flanges are first forged at high temperatures to deform and harden the material. Later, they undergo heat treatment to improve their physical properties, such as flexibility and toughness. Heat treatment also removes any residual stresses accumulated in the flange during manufacturing.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM A105 / ASME SA105 |
| Dimensions | 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 |
| Flange Size Chart | 1/2" (15 NB) to 48" (1200NB), DN10~DN5000 |
| Pressure Rating | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| JIS | 16 K, 5K, 10 K, 20 K, 30 K, 40 K, 63 K |
| Flange Connection / 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, Flange Pipe. |
| Origin | West Europe / Japan / Indian / USA / Korean |
| Types of Flanges | Threaded / Screwed / Forged / Plate |
| Coating | Yellow Transparent, Zinc Plated, Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized |
| Test Of Flange | Direct-reading Spectrograph, Ultrasonic flaw detector, Magnetic particle detector, X-ray detector, Hydrostatic testing machine. |
| Production technique Used | Heat treated, Forged and Machined |
| Equipment | Press machine, Bending machine, Pushing Machine, Sand-blasting machine, electric bevelling machine etc. |
| Test Certificates | EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc |
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Carbon Steel A105 Slip On Flanges
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Carbon Steel A105 Weld Neck Flanges
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A105 Carbon Steel Threaded Flanges
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