About ASTM Flanges
| Wall Thickness | as per std / customize / requirement |
| Is It ISO Certified | YES |
| ISO Certified | YES |
| Material Standard | ASTM A182, ASTM A351, ASTM A105, ANSI B16.5 |
| Type | Blind flanges, Weld neck flanges, Threaded flanges |
| Size | 5-10 inch, 1-5 inch, 10-20 inch, >30 inch, 0-1 inch, 20-30 inch, >30 inch |
FORM:
- Slip On - SORF
- Weld Neck - WNRF
- Socket Weld - SWRF
- Blind - BLRF
- Lapped Joint
- Screwed
- Long Weld Neck
- Reducing
- Spectacle
- Ring Joint
- Drowing
Materials
Nickel Alloy Blind Flange
Standard :
- ASTM / ASME SB 564 / 160 / 472.
- UNS 10276-HASTELLOY C 276 Long Neck Weld Flange
- UNS 2200 -NICKEL 200 Long Neck Weld Flange
- UNS 2201 -NICKEL 201 Long Neck Weld Flange
- UNS 4400-MONEL 400 Long Neck Weld Flange
- UNS 8020-ALLOY 20 Long Neck Weld Flange
- UNS 8825 -INCONEL 825 Long Neck Weld Flange
- UNS 6600-INCONEL 600 Long Neck Weld Flange
- UNS 6601 -INCONEL 601 Long Neck Weld Flange
- UNS 6625 -INCONEL 625 Long Neck Weld Flange
Copper Alloy Long Neck Weld Flange
- ASTM / ASME SB 61 / 62 / 151 / 152.
- C 70600 (CU -NI- 90/10) - Cupro Nickel Long Neck Weld Flange
- C 71500 (CU -NI- 70/30) - Copper Nickel Long Neck Weld Flange
- UNS NO. C 92200, UNS NO. C 83600, UNS NO. UNS NO C 10100,
- C 10200, C 10300, C 10800, C 12000, C 12200
Duplex Steel Long Neck Weld Flange
- ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.
Stainless Steel Long Neck Weld Flange - SS Long Neck Weld Flange
- ASTM A182
- Grade : F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN,317, 317L, 321, 321H, 347, 347H, 904L.
Alloy Steel Long Neck Weld Flange - AS Long Neck Weld Flange
- ASTM SA 182 F1/F5/F9/F11/F22/F91
Carbon Steel Long Neck Weld Flange - CS Long Neck Weld Flange
- ASTMA 105 Gr. F42/46/52/56/60/65/70
Low Temperature Carbon Steel Long Neck Weld Flange - LTCS Long Neck Weld Flange
Diverse Face Types and ApplicationsChoose from raised face (RF), flat face (FF), and ring type joint (RTJ) to suit various piping standards and applications. These flanges are ideal for sectors like oil & gas, petrochemical, power, and water treatment thanks to their excellent sealing properties and compatibility with a wide range of pipe connections.
Precision Manufacturing and DurabilityManufactured using a hot forging and machining process, these flanges offer superior tensile strength (up to 485 MPa) and hardness (up to 197 HBW). This ensures high durability, reliability, and longevity, meeting ASTM standards for structural integrity in critical environments.
Comprehensive Standards and Material OptionsCompliant with ANSI, ASME, DIN, JIS, EN, and ASTM standards, these flanges come in grades such as ASTM A105/A182/A350. Stainless steel, carbon steel, and alloy steel versions are available, providing optimal corrosion resistance and mechanical performance for various project needs.
FAQs of ASTM Flanges:
Q: How are ASTM flanges with different face types used in industrial applications?
A: ASTM flanges with RF, FF, and RTJ face types are selected based on the sealing requirements and pressure ratings of industrial systems. RF flanges provide enhanced sealing for higher pressures, FF are suited for cast iron equipment, and RTJ types are chosen where a metal-to-metal seal is critical, such as oil & gas pipelines.
Q: What is the manufacturing process for these ASTM flanges?
A: The flanges are produced using a hot forging process followed by precision machining. This technique enhances mechanical properties like strength and hardness, resulting in components that maintain dimensional accuracy and performance under challenging operating conditions.
Q: When should I request test certificates for ASTM flanges?
A: Test certificates, such as EN 10204 3.1 or 3.2, should be requested at the time of order placement, especially when project documentation or regulatory compliance is required. These certificates ensure material traceability and verify mechanical and chemical properties.
Q: Where are ASTM standard flanges typically installed?
A: These flanges are widely used in oil & gas, petrochemical, power generation, and water treatment plants. Their precise construction and corrosion resistance make them suitable for high-pressure or corrosive environments demanding reliable, leak-proof connections.
Q: What benefits do precision-engineered ASTM flanges offer?
A: These flanges feature high tensile strength, durability, and consistent performance across a broad temperature range (-46C to 600C). Their corrosion-resistant surface finish, compliance with international standards, and versatile face types add further operational and maintenance benefits.
Q: How can I ensure correct flange selection for my piping system?
A: Specify the required face type (RF, FF, RTJ), flange type (WN, SO, BL, SW, TH, LJ), material grade, pressure class, end finish, and certification needs when ordering. Consulting with experienced manufacturers or suppliers based in India will help ensure compatibility and optimum performance.
Q: What packaging and shipping options are available?
A: Export-quality packaging is provided, including wooden cases and palletized shipments. This protects the flanges from damage during international transport, maintaining surface finish and dimensional accuracy until installation.