ASTM B171 Copper Alloy Plate and Sheet
Grade: UNS C36500, UNS C44300, UNS C44400, UNS C44500, UNS C46400, UNS C46500, UNS C61300, UNS C61400, UNS C63000, UNS C63200, UNS C70600, UNS C70620, UNS C71500, UNS C71520, UNS C72200
Type: Plate and Sheet
Features
ASTM B171/B171M Copper Alloy Plate and Sheet for Pressure Vessels, Condensers, and Heat Exchangers
Chemical Composition (wt.%) of ASTM B171 Copper Alloy Plate and Sheet
| Alloy (UNS No.) | Cu (incl. Ag) | Sn | Ni (incl. Co) | Mn max | Pb | Fe | Zn | Al | Cr | Other Named Elements |
| C36500 | 58.0-61.0 | – | – | 1 | 0.07 | – | Remainder | – | – | – |
| C44300 | 70.0-73.0 | – | 0.8-1.2 | 1.5 | 0.07 | 0.06 | Remainder | – | – | – |
| C44400 | 70.0-73.0 | – | 0.8-1.2 | 1.2-2.0 | 0.07 | 0.06 | Remainder | – | – | – |
| C44500 | 70.0-73.0 | – | 0.8-1.2 | 1 | 0.07 | 0.06 | Remainder | – | – | – |
| C46400 | 59.0-62.0 | – | – | 1 | 0.2 | 0.1 | Remainder | – | – | – |
| C46500 | 59.0-62.0 | – | – | 1 | 0.2 | 0.1 | Remainder | – | – | – |
| C61300 | Remainder | – | – | 0.2 | 0.05 | 2.0-3.0 | 0.2 | 6.0-7.5 | – | – |
| C61400 | Remainder | – | – | 1 | 0.05 | 1.5-3.5 | 0.3 | 6.0-8.0 | – | – |
| C63000 | Remainder | – | 9.0-11.0 | 0.3 | 0.02 | 2.0-4.0 | 0.5 | 9.0-11.0 | – | – |
| C63200 | Remainder | – | 8.7-9.5 | 1 | 0.02 | 3.5-4.3 | 0.5 | 8.7-9.5 | – | – |
| C70600 | 86.5 min | – | 9.0-11.0 | 1 | 0.05 | 1.0-1.8 | 1 | – | – | – |
| C70620 | 86.5 min | – | 9.0-11.0 | 1 | 0.05 | 1.0-1.8 | 1 | – | – | – |
| C71500 | 65.0 min | – | 29.0-33.0 | 1 | 0.05 | 0.40-1.0 | 1 | – | – | – |
| C71520 | 65.0 min | – | 29.0-33.0 | 1 | 0.05 | 0.40-1.0 | 1 | – | – | – |
| C72200 | Remainder | – | 15.0-18.0 | 0.2 | 0.05 | 0.50-1.0 | 0.5 | – | – | 0.02-0.06 As, 0.02-0.10 Sb |
Mechanical Properties of ASTM B171 Copper Alloy Plate and Sheet
| Alloy (UNS No.) | Tensile Strength (ksi) | Yield Strength (ksi) | Elongation (%) |
| C36500 | 50-60 | 20-30 | 20-30 |
| C44300 | 50-60 | 20-30 | 20-30 |
| C44400 | 50-60 | 20-30 | 20-30 |
| C44500 | 50-60 | 20-30 | 20-30 |
| C46400 | 60-70 | 25-35 | 20-30 |
| C46500 | 60-70 | 25-35 | 20-30 |
| C61300 | 75-85 | 30-40 | 13-18 |
| C61400 | 75-85 | 30-40 | 13-18 |
| C63000 | 90-110 | 40-50 | 10-20 |
| C63200 | 90-110 | 40-50 | 10-20 |
| C70600 | 40-50 | 15-20 | 30-40 |
| C70620 | 40-50 | 15-20 | 30-40 |
| C71500 | 50-70 | 20-30 | 30-40 |
| C71520 | 50-70 | 20-30 | 30-40 |
| C72200 | Specific to application | Specific to application | Specific to application |
Technical Specifications
| Specification | Value |
| Standard | ASTM B171 Copper Alloy Plate and Sheet |
| Grade | UNS C36500, UNS C44300, UNS C44400, UNS C44500, UNS C46400, UNS C46500, UNS C61300, UNS C61400, UNS C63000, UNS C63200, UNS C70600, UNS C70620, UNS C71500, UNS C71520, UNS C72200 |
| Type | Plate, Sheet, Strip |
| Thickness | 1-50mm |
| Length | 1000 – 12000mm |
| Width | 500 – 2500mm |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Tests | Tensile Strength (ASTM E8/E8M), Hardness (ASTM E10), Bend Test (ASTM E290), Impact Test (ASTM E23), Intergranular Corrosion Test (Various ASTM Standards) |
Packing
Packed on plywood pallets or packed in plywood boxes.
Features
- ASTM B171/B171M copper alloy plate and sheet for pressure vessels, condensers, and heat exchangers.
- Available in a broad range of UNS grades, including C36500, C44300, C44400, C44500, C46400, C46500, C61300, C61400, C63000, C63200, C70600, C70620, C71500, C71520, and C72200.
- Good corrosion resistance for seawater and industrial cooling environments.
- Suitable for forming and fabrication into plate, sheet, and circles cut from plate and sheet.
- Available with mechanical properties and chemistry tailored to different service conditions and grades.
Applications
- Pressure vessels and related pressure-containing components.
- Condensers and condenser tubing support parts.
- Heat exchangers for industrial, marine, and power-generation service.
- Seawater cooling systems, marine equipment, and offshore service.
- Desalination plants and other corrosion-intensive water-handling systems.
- Oil and gas, chemical processing, and power plants where corrosion resistance and thermal performance are required.
