At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASTM B124. Copper and copper-alloy forging rod, bar and shapes intended for hot forging. Feedstock for hot-forged fasteners, valve/flange bodies and machined components. Values as-forged (M30 temper); metric spec (MPa with (psi)).
Copper and copper-alloy forging rod, bar and shapes intended for hot forging. Feedstock for hot-forged fasteners, valve/flange bodies and machined components. Values as-forged (M30 temper); metric spec (MPa with (psi)).
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| C37700 | C37700 | forging brass (2% Pb) |
| C46400 | C46400 | naval brass |
| C48500 | C48500 | leaded naval brass |
| C62300 | C62300 | aluminum bronze 9% |
| C63000 | C63000 | nickel-aluminum bronze |
| C64200 | C64200 | aluminum-silicon bronze |
| C65500 | C65500 | high-silicon bronze A |
| C67500 | C67500 | manganese bronze A |
Minimum mechanical requirements per ASTM B124.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| C37700 (as-forged) | 360 (52 ksi) | 140 (20 ksi) | 45 | ~65 HRB |
| C46400 (as-forged) | 415 (60 ksi) | 185 (27 ksi) | 40 | ~75 HRB |
| C62300 (as-forged) | 515 (75 ksi) | 205 (30 ksi) | 25 | ~87 HRB |
| C63000 (as-forged) | 620 (90 ksi) | 275 (40 ksi) | 15 | 96 HRB |
| C64200 (as-forged) | 515 (75 ksi) | 240 (35 ksi) | 22 | ~85 HRB |
| C65500 (as-forged) | 380 (55 ksi) | 150 (22 ksi) | 30 | ~75 HRB |
| C67500 (as-forged) | 450 (65 ksi) | 205 (30 ksi) | 20 | ~90 HRB |
| Grade | Key Composition, % |
|---|---|
| C37700 | Cu 58-61, Pb 1.5-2.5, Zn remainder |
| C46400 | Cu 59.0-62.0, Sn 0.5-1.0, Zn remainder (naval brass) |
| C63000 | Cu 78-85, Al 9.0-11.0, Ni 4.0-5.5, Fe 2.0-4.0, Mn 1.5 max |
UNS C37700/C46400/C63000; naval brass CuZn39Sn, nickel-aluminum bronze CuAl10Ni5Fe4
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 B124 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.
Copper and copper-alloy forging rod, bar and shapes intended for hot forging. Feedstock for hot-forged fasteners, valve/flange bodies and machined components. Values as-forged (M30 temper); metric spec (MPa with (psi)).
Ananka Fasteners supplies C37700, C46400, C48500, C62300, C63000, C64200, C65500, C67500 to ASTM B124. 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 B124 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 B124 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 B124 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASTM B124 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
