At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASTM B121. Leaded brass (copper-zinc-lead) plate, sheet, strip and rolled bar. Lead added for machinability; mill product for stamped/machined washers, spacers and decorative hardware. Metric spec (MPa with (psi)).
Leaded brass (copper-zinc-lead) plate, sheet, strip and rolled bar. Lead added for machinability; mill product for stamped/machined washers, spacers and decorative hardware. Metric spec (MPa with (psi)).
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| C33500 | C33500 | low-leaded brass (0.25-0.7 Pb) |
| C34000 | C34000 | medium-leaded brass (0.8-1.5 Pb) |
| C34200 | C34200 | high-leaded brass (1.5-2.5 Pb) |
| C35000 | C35000 | medium-leaded brass |
| C35300 | C35300 | high-leaded brass (1.5-2.5 Pb) |
| C35600 | C35600 | extra-high-leaded brass (2.0-3.0 Pb) |
Minimum mechanical requirements per ASTM B121.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| C34000 O60 (annealed) | 340 (49 ksi) | 110 (16 ksi) | 50 | ~55 HRB |
| C34000 H02 (half hard) | 425 (62 ksi) | 310 (45 ksi) | 18 | 70 HRB |
| C35300 H02 (half hard) | 425 (62 ksi) | 310 (45 ksi) | 17 | 70 HRB |
| C35300 H04 (hard) | 510 (74 ksi) | 410 (60 ksi) | 7 | 80 HRB |
| C35600 H04 (hard) | 515 (75 ksi) | 415 (60 ksi) | 7 | 80 HRB |
| Grade | Key Composition, % |
|---|---|
| C34000 | Cu 62.0-65.0, Pb 0.8-1.5, Fe 0.10 max, Zn remainder |
| C35300 | Cu 60.0-63.0, Pb 1.5-2.5, Fe 0.10 max, Zn remainder |
| C35600 | Cu 60.0-63.0, Pb 2.0-3.0, Fe 0.10 max, Zn remainder |
UNS C33500/C34000/C35300; leaded brass akin to CuZn36Pb, machining brass family
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 B121 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.
Leaded brass (copper-zinc-lead) plate, sheet, strip and rolled bar. Lead added for machinability; mill product for stamped/machined washers, spacers and decorative hardware. Metric spec (MPa with (psi)).
Ananka Fasteners supplies C33500, C34000, C34200, C35000, C35300, C35600 to ASTM B121. 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 B121 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 B121 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 B121 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASTM B121 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
