At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASTM B168. Standard specification for nickel-chromium-iron alloy (UNS N06600/601/690 etc.) and nickel-chromium-cobalt-molybdenum alloy plate, sheet, and strip used in corrosion- and heat-resistant service. Used as raw stock for washers, backing plates, and machined fastener components.
Standard specification for nickel-chromium-iron alloy (UNS N06600/601/690 etc.) and nickel-chromium-cobalt-molybdenum alloy plate, sheet, and strip used in corrosion- and heat-resistant service. Used as raw stock for washers, backing plates, and machined fastener components.
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| Inconel 600 | N06600 (2.4816) | Ni-Cr-Fe, general corrosion/heat resistance |
| Inconel 601 | N06601 (2.4851) | Ni-Cr-Fe + Al, oxidation resistance to 1200 C |
| Inconel 690 | N06690 (2.4642) | High-Cr Ni-Cr-Fe, nitric acid / nuclear service |
Minimum mechanical requirements per ASTM B168.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| Inconel 600 (annealed) | 80 (550) | 35 (240) | 30 | ~ HRB 88 max |
| Inconel 601 (annealed) | 80 (550) | 30 (205) | 30 | – |
| Inconel 690 (annealed) | 85 (586) | 35 (240) | 30 | – |
| Grade | Key Composition, % |
|---|---|
| N06600 | Ni 72.0 min, Cr 14.0-17.0, Fe 6.0-10.0, C 0.15 max, Mn 1.0 max |
| N06601 | Ni 58.0-63.0, Cr 21.0-25.0, Al 1.0-1.7, Fe balance, C 0.10 max |
| N06690 | Ni 58.0 min, Cr 27.0-31.0, Fe 7.0-11.0, C 0.05 max |
ASME SB168; W.Nr. 2.4816 (600) / 2.4851 (601) / 2.4642 (690); paired with rod/bar spec ASTM B166
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 B168 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 nickel-chromium-iron alloy (UNS N06600/601/690 etc.) and nickel-chromium-cobalt-molybdenum alloy plate, sheet, and strip used in corrosion- and heat-resistant service. Used as raw stock for washers, backing plates, and machined fastener components.
Ananka Fasteners supplies Inconel 600, Inconel 601, Inconel 690 to ASTM B168. 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 B168 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 B168 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 B168 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASTM B168 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
