At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASTM B493. Standard specification for zirconium and zirconium alloy forgings. Outstanding corrosion resistance to acids and molten salts; used for forged flanges, valve parts, and forged fastener blanks in chemical processing.
Standard specification for zirconium and zirconium alloy forgings. Outstanding corrosion resistance to acids and molten salts; used for forged flanges, valve parts, and forged fastener blanks in chemical processing.
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| Grade 702 | R60702 | Unalloyed reactor-grade zirconium |
| Grade 704 | R60704 | Zirconium-tin alloy |
| Grade 705 | R60705 | Zirconium-niobium alloy, higher strength |
Minimum mechanical requirements per ASTM B493.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| R60702 (Grade 702) | 55 (380) | 30 (205) | 16 | – |
| R60705 (Grade 705) | 70 (485) | 55 (380) | 16 | – |
| Grade | Key Composition, % |
|---|---|
| R60702 | Zr+Hf 99.2 min, Hf 4.5 max, Fe+Cr 0.2 max, O 0.16 max |
| R60705 | Zr+Hf 95.5 min, Hf 4.5 max, Nb 2.0-3.0, Fe+Cr 0.2 max, O 0.18 max |
ASME SB493; Zircadyne 702 / 705 (ATI Wah Chang)
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 B493 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 zirconium and zirconium alloy forgings. Outstanding corrosion resistance to acids and molten salts; used for forged flanges, valve parts, and forged fastener blanks in chemical processing.
Ananka Fasteners supplies Grade 702, Grade 704, Grade 705 to ASTM B493. 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 B493 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 B493 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 B493 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASTM B493 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
