At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASTM B462. Standard specification for forged or rolled nickel-alloy pipe flanges, forged fittings, valves, and parts for corrosive high-temperature service. Covers a broad range of nickel/nickel-chromium alloys for forged flanges and fastener component blanks.
Standard specification for forged or rolled nickel-alloy pipe flanges, forged fittings, valves, and parts for corrosive high-temperature service. Covers a broad range of nickel/nickel-chromium alloys for forged flanges and fastener component blanks.
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| Alloy 20 | N08020 | Ni-Fe-Cr-Mo-Cu (Carpenter 20) |
| Inconel 625 | N06625 | Ni-Cr-Mo-Nb |
| Hastelloy C-276 | N10276 | Ni-Cr-Mo-W |
| Hastelloy C-22 | N06022 | Ni-Cr-Mo-W |
| Alloy 6XN | N08367 | Super-austenitic Ni-Fe-Cr-Mo |
| Hastelloy B-2 | N10665 | Ni-Mo |
Minimum mechanical requirements per ASTM B462.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| N08020 (Alloy 20) | 80 (551) | 35 (240) | 30 | – |
| N10276 (C-276) | 100 (690) | 41 (283) | 40 | – |
| N06022 (C-22) | 100 (690) | 45 (310) | 45 | – |
| N08367 (6XN) | 95 (655) | 45 (310) | 30 | – |
| N10665 (B-2) | 110 (760) | 51 (350) | 40 | – |
| Grade | Key Composition, % |
|---|---|
| N08020 | Ni 32.0-38.0, Cr 19.0-21.0, Fe bal, Cu 3.0-4.0, Mo 2.0-3.0, Nb ~8xC-1.0 |
| N10276 | Ni bal, Cr 14.5-16.5, Mo 15.0-17.0, W 3.0-4.5, Fe 4.0-7.0 |
| N06625 | Ni 58.0 min, Cr 20.0-23.0, Mo 8.0-10.0, Nb+Ta 3.15-4.15 |
ASME SB462; alloy-specific W.Nr. per grade (e.g. N10276 = 2.4819, N06625 = 2.4856)
For the official ASTM International standards catalogue, see the ASTM International standards listing. This external reference is provided for standards identification; the purchaser should verify the current edition applicable to the order.
We supply ASTM B462 fasteners — bolts, screws, studs, nuts and washers as applicable — for energy, petrochemical, marine, structural and general engineering service, in a full range of sizes and finishes.
For technical documentation and quotations, buyers can also review the Ananka Fasteners manufacturing and supply range or contact the team through the fastener enquiry and technical support page.
Ananka Fasteners supplies every lot with full material traceability and third-party testing on request.
Standard specification for forged or rolled nickel-alloy pipe flanges, forged fittings, valves, and parts for corrosive high-temperature service. Covers a broad range of nickel/nickel-chromium alloys for forged flanges and fastener component blanks.
Ananka Fasteners supplies Alloy 20, Inconel 625, Hastelloy C-276, Hastelloy C-22, Alloy 6XN, Hastelloy B-2 to ASTM B462. See the Grades / Classes Covered table above for full details of each grade.
Minimum tensile strength, yield strength, elongation and hardness requirements vary by grade — see the Mechanical Properties table above for the complete breakdown.
We supply ASTM B462 fasteners — bolts, screws, studs, nuts and washers as applicable — for energy, petrochemical, marine, structural and general engineering service, in a full range of sizes and finishes.
Yes. For a quotation, provide the required fastener type, grade, nominal size, dimensional standard, quantity and any inspection or certificate requirements.
Need a fastener released to ASTM B462 for an industrial project? Send the required fastener type, grade, size, quantity and certification requirements to Ananka Fasteners. Our team can review the requirement and provide technical and commercial information for standard or custom configurations.
Recommended RFQ details: ASTM B462 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASTM B462 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
