At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASTM A502. Standard specification for steel structural rivets in diameters 1/2 to 1-1/2 in. Grades classified by chemistry and controlled by hardness (rivet steel is not tensile-tested to a minimum in the finished rivet).
Standard specification for steel structural rivets in diameters 1/2 to 1-1/2 in. Grades classified by chemistry and controlled by hardness (rivet steel is not tensile-tested to a minimum in the finished rivet).
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| Grade 1 | – | Carbon steel rivets, ordinary service |
| Grade 2 | – | Carbon-manganese steel, higher strength |
| Grade 3 | – | HSLA, ~4x atmospheric corrosion resistance (weathering) |
Minimum mechanical requirements per ASTM A502.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| Grade 1 | Controlled by hardness (no min tensile) | – | – | 103-126 HBW / 55-72 HRB |
| Grade 2 | Controlled by hardness | – | – | 137-163 HBW / 76-85 HRB |
| Grade 3 | Controlled by hardness | – | – | 137-197 HBW / 76-93 HRB |
| Grade | Key Composition, % |
|---|---|
| Grade 1 | C 0.13-0.25, Mn 0.30-0.90 |
| Grade 2 | C 0.19-0.30, Mn 1.20-1.65, Si 0.10-0.30 |
| Grade 3 | C 0.20 max, Mn 0.75-1.25, Cr 0.40-0.70, Cu 0.20-0.40, Ni 0.25-0.50, Si 0.15-0.30 |
Grade 1 rivet steel comparable to A31 Grade A; Grade 2 to former A195; Grade 3 weathering chemistry comparable to A588/A242 steels.
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 A502 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 steel structural rivets in diameters 1/2 to 1-1/2 in. Grades classified by chemistry and controlled by hardness (rivet steel is not tensile-tested to a minimum in the finished rivet).
Ananka Fasteners supplies Grade 1, Grade 2, Grade 3 to ASTM A502. 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 A502 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 A502 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 A502 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASTM A502 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
