Forged ASTM A105 ASME ANSI B16.5 RF FF RJF LJF SO SW BL WN Customized
Carbon Steel Flange-ASTM A105 ASTM A105N
Carbon steel flanges, manufactured in accordance with ASTM A105, are generally used for piping applications. These forged carbon steel flanges are used for ambient- and higher-temperature service in pressure systems. These flanges may be manufactured in accordance with a variety of standard specifications covering ASME B16.5, ASME B16.47, ASME B16.48, ASME B16.36, MSS SP 44, API 605, and API 6A, etc.
Heat Treatment
ASTM A105 flanges shall be manufactured as one piece by a hot-forging process. This hot-forging process, either die forging or open-die forging, is a compressive hot-working operation. The metal flows in the designed direction during plastic deformation to form a disc-like product that is near to the finished flange. The forging process also consolidates the material to produce an essentially wrought steel structure. The product is subsequently machined to the exact shape and size of finished flange.
The forged carbon steel conforming to ASTM A105 is a Group 1.1 material according to ASME B16.5. Generally, heat treatment for A105 flanges in Class 150 and Class 300 is not necessarily required. For flanges above Class 300 or otherwise specified by end user, heat treatment, such as annealing, normalizing, or normalizing and tempering, or quenching and tempering, may be performed. The A105N, which is designated with a suffix “N”, denotes that the A105 forging shall be furnished in normalized condition.
Product Information
| Product Name | Carbon Steel Flange |
| Size Range | 1/2’ to 24” |
| Pressure Class | 150, 300, 400, 600, 900, 1500, 2500, |
| Standards | ASTM A105 / A105N |
| Face Type | Flat Face Flange (FF), Raised Face Flange(RF), Ring Joint Flange (RJF), Lap Joint Flange, Welding Neck Flange (WN), Slip-on Flange (SO), Blind Flange(BL) |
| Dimensions | ANSI B16.5, Custom Drawings |
| Thickness | Sch5S to Sch160, XXS |
| Coating | Anti-rust Paint, Oil Black Paint, Cold and Hot Dip Galvanized, Yellow Transparent, Zinc Plated |
| Origin | China |
| Applications | Marine, pumping, chemical production, food industry, irrigation |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, Ultrasonic flaw detector, Magnetic particle detector |
| Test Certificates | Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report |
Dimensions of ASME/ANSI B16.5
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Forged Carbon Steel Flange Images
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