At Ananka Fasteners Pvt Ltd, we manufacture and supply fasteners certified to ASTM B171. Standard specification for copper-alloy plate and sheet for pressure vessels, condensers, and heat exchangers (tube sheets, baffles, support plates). Also used for machined backing plates and washers in copper-alloy service.
Standard specification for copper-alloy plate and sheet for pressure vessels, condensers, and heat exchangers (tube sheets, baffles, support plates). Also used for machined backing plates and washers in copper-alloy service.
| Grade / Class | UNS / Designation | Type / Notes |
|---|---|---|
| C36500 | C36500 | Leaded Muntz metal |
| C44300 | C44300 | Admiralty brass (arsenical) |
| C46400 | C46400 | Naval brass |
| C61400 | C61400 | Aluminum bronze |
| C63000 | C63000 | Ni-Al bronze |
| C70600 | C70600 | 90-10 copper-nickel |
| C71500 | C71500 | 70-30 copper-nickel |
Minimum mechanical requirements per ASTM B171.
| Grade / Class / Condition | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness |
|---|---|---|---|---|
| C44300 | 45 (310) | 15 (105) | 35 | – |
| C46400 | 50 (345) | 18-20 (125-140) | 35 | – |
| C61400 | 65-70 (450-485) | 26-28 (180-195) | 35 | – |
| C63000 | 80-90 (550-620) | 30-36 (205-250) | 10 | – |
| C70600 | 40 (275) | 15 (105) | 30 | – |
| C71500 | 45-50 (310-345) | 18-20 (125-140) | 30 | – |
| Grade | Key Composition, % |
|---|---|
| C44300 | Cu 70-73, Zn bal, Sn 0.8-1.2, As 0.02-0.06 |
| C46400 | Cu 59-62, Zn bal, Sn 0.5-1.0 |
| C70600 | Cu bal, Ni 9.0-11.0, Fe 1.0-1.8, Mn 1.0 max |
| C71500 | Cu bal, Ni 29.0-33.0, Fe 0.40-1.0, Mn 1.0 max |
ASME SB171; copper-alloy tube-sheet plate
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 B171 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 copper-alloy plate and sheet for pressure vessels, condensers, and heat exchangers (tube sheets, baffles, support plates). Also used for machined backing plates and washers in copper-alloy service.
Ananka Fasteners supplies C36500, C44300, C46400, C61400, C63000, C70600, C71500 to ASTM B171. 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 B171 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 B171 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 B171 requirement, material grade, fastener type, nominal size, dimensional standard, quantity, inspection requirements and EN 10204 certificate requirements where applicable.
Data compiled per ASTM B171 and industry references; provided for reference only — confirm against the current edition of the standard and certified mill test reports before design use.
