At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASTM A572/A572M. Standard specification for high-strength low-alloy columbium-vanadium structural steel (plates, bars, shapes, sheet piling). Common structural steel; bar/plate stock for connection hardware and fabricated fasteners.
Standard specification for high-strength low-alloy columbium-vanadium structural steel (plates, bars, shapes, sheet piling). Common structural steel; bar/plate stock for connection hardware and fabricated fasteners.
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| Grade 42 | K02502 | 42 ksi yield HSLA |
| Grade 50 | K02601 | 50 ksi yield (most common) |
| Grade 55 | K02303 | 55 ksi yield |
| Grade 60 | K02303 | 60 ksi yield |
| Grade 65 | K02303 | 65 ksi yield |
Minimum mechanical requirements per ASTM A572/A572M.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| Grade 42 | 60 ksi (415 MPa) | 42 ksi (290 MPa) | 24 (in 2 in) / 20 (in 8 in) | – |
| Grade 50 | 65 ksi (450 MPa) | 50 ksi (345 MPa) | 21 (in 2 in) / 18 (in 8 in) | – |
| Grade 55 | 70 ksi (485 MPa) | 55 ksi (380 MPa) | 20 (in 2 in) / 17 (in 8 in) | – |
| Grade 60 | 75 ksi (520 MPa) | 60 ksi (415 MPa) | 18 (in 2 in) / 16 (in 8 in) | – |
| Grade 65 | 80 ksi (550 MPa) | 65 ksi (450 MPa) | 17 (in 2 in) / 15 (in 8 in) | – |
| Grade | Key Composition, % |
|---|---|
| Grade 42/50 | C 0.21-0.23 max, Mn 1.35 max, Nb 0.005-0.05, V 0.01-0.15 |
| Grade 55-65 | C 0.23-0.26 max, Mn 1.35-1.65 max, Nb/V microalloyed |
ASME comparable; Grade 50 overlaps A992 (shapes) and A529 Gr 50 in yield; microalloyed Cb-V chemistry distinguishes it from plain-carbon A36.
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 A572/A572M 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 high-strength low-alloy columbium-vanadium structural steel (plates, bars, shapes, sheet piling). Common structural steel; bar/plate stock for connection hardware and fabricated fasteners.
Ananka Fasteners supplies Grade 42, Grade 50, Grade 55, Grade 60, Grade 65 to ASTM A572/A572M. 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 A572/A572M 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 A572/A572M 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 A572/A572M requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASTM A572/A572M and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
