Forgings, Fasteners, Boltings, Stud Bolts, Screws, Nuts
ASTM B139 specification establishes the requirements for phosphor bronze rod, bar, and shapes.
| Copper Alloy UNS No. | Element, % | |||||
|---|---|---|---|---|---|---|
| Sn | P | Fe, max | Pb | Zn | Cu | |
| C51000 | 4.2-5.8 | 0.03-0.35 | 0.10 | 0.05 max | 0.30 max | remainder |
| C52100 | 7.0-9.0 | 0.03-0.35 | 0.10 | 0.05 max | 0.20 max | remainder |
| C52400 | 9.0-11.0 | 0.03-0.35 | 0.10 | 0.05 max | 0.20 max | remainder |
| C53400 | 3.5-5.8 | 0.03-0.35 | 0.10 | 0.8-1.2 | 0.30 max | remainder |
| C54400 | 3.5-4.5 | 0.01-0.50 | 0.10 | 3.0-4.0 | 1.5-4.5 | remainder |
| Temper Designation | Diameter or Distance Between Parallel Surfaces,A in. | Tensile Strength, ksi | Elongation in 4× Diameter or Thickness of Specimen, min, %B | ||
|---|---|---|---|---|---|
| Code | Name | Min | Max | ||
| Copper Alloy UNS No. C51000 | |||||
| O60 | soft anneal | rod: round under 1⁄4 | 40 | 58 | ... |
| H04 | hard | rod: round under 1⁄4 | 80 | 128 | ... |
| round and hexagonal: 1 ⁄4 to 1⁄2, incl | 70 | ... | 13 | ||
| over 1⁄2 to 1, incl | 60 | ... | 15 | ||
| over 1 | 55 | ... | 18 | ||
| bar: square and rectangular: 1 ⁄4 to 3⁄8, incl | 60 | ... | 10 | ||
| over 3⁄8 | 55 | ... | 15 | ||
| H08 | spring | rod: round: 0.026 to 1⁄16, incl | 115 | ... | ... |
| over 1⁄16 to 1⁄8, incl | 110 | ... | ... | ||
| over 1⁄8 to 1⁄4, incl | 105 | ... | 3.5 | ||
| over 1⁄4 to 3⁄8, incl | 100 | ... | 5 | ||
| over 3⁄8 to 1⁄2, incl | 90 | ... | 9 | ||
| Copper Alloy UNS No. C52100 | |||||
| O60 | soft anneal | rod: round under 1⁄4 | 53 | 68 | ... |
| H04 | hard | rod: round under 1⁄4 | 105 | 150 | ... |
| round and hexagonal: 1 ⁄4 to 1⁄2, incl | 85 | ... | 12 | ||
| over 1⁄2 to 1, incl | 75 | ... | 15 | ||
| over 1 | 60 | ... | 20 | ||
| bar: square and rectangular: 1 ⁄4 to 3⁄8, incl | 68 | ... | 10 | ||
| over 3⁄8 | 60 | ... | 15 | ||
| Copper Alloy UNS No. C52400 | |||||
| O60 | soft anneal | rod: round under 1⁄4 | 60 | 75 | ... |
| H04 | hard | rod: round under 1⁄4 | 105 | 160 | ... |
| round and hexagonal: 1 ⁄4 to 1⁄2, incl | 95 | ... | 10 | ||
| over 1⁄2 to 1, incl | 85 | ... | 12 | ||
| over 1 | 70 | ... | 15 | ||
| bar: square and rectangular: 1 ⁄4 to 3⁄8, incl | 76 | ... | 10 | ||
| over 3⁄8 | 70 | ... | 15 | ||
| Copper Alloy UNS Nos. C53400 and C54400 | |||||
| H04 | hard | 1 ⁄16 to 1⁄4, incl | 65 | ... | 8 |
| over 1⁄4 to 1⁄2, incl | 60 | ... | 10 | ||
| over 1⁄2 to 1, incl | 55 | ... | 12 | ||
| over 1 | 50 | ... | 15 | ||
| bar: square and rectangular: 1 ⁄4 to 3⁄8, incl | 55 | ... | 10 | ||
| over 3⁄8 | 50 | ... | 15 | ||
|
|||||
| Temper Designation | Diameter or Distance Between Parallel Surfaces,A mm | Tensile Strength, ksi | Elongation in 4× Diameter or Thickness of Specimen, min, %B | ||
|---|---|---|---|---|---|
| Code | Name | Min | Max | ||
| Copper Alloy UNS No. C51000 | |||||
| O60 | soft anneal | rod: round under 6 | 275 | 400 | ... |
| H04 | hard | rod: round under 6 | 550 | 880 | ... |
| round and hexagonal: 6 to 12 incl | 485 | ... | 13 | ||
| 12 to 25 incl | 415 | ... | 15 | ||
| over 25 | 380 | ... | 18 | ||
| bar: square and rectangular: 6 to 9 incl | 415 | ... | 10 | ||
| over 9 | 380 | ... | 15 | ||
| H08 | spring | rod: round: 0.065 to 1.6 incl | 790 | ... | ... |
| over 1.6 to 3 incl | 760 | ... | ... | ||
| over 3 to 6 incl | 725 | ... | 3.5 | ||
| over 6 to 9 incl | 690 | ... | 5.0 | ||
| over 9 to 12 incl | 620 | ... | 9.0 | ||
| Copper Alloy UNS No. C52100 | |||||
| O60 | soft anneal | rod: round under 6 | 365 | 470 | ... |
| H04 | hard | rod: round under 6 | 720 | 1030 | ... |
| round and hexagonal: 6 to 12 incl | 585 | ... | 12 | ||
| over 12 to 25 incl | 515 | ... | 15 | ||
| over 25 | 415 | ... | 20 | ||
| bar: square and rectangular: 6 to 9 incl | 470 | ... | 10 | ||
| over 9 | 415 | ... | 15 | ||
| Copper Alloy UNS No. C52400 | |||||
| O60 | soft anneal | rod: round under 6 | 415 | 515 | ... |
| H04 | hard | rod: round under 6 | 725 | 1100 | ... |
| round and hexagonal: 6 to 12 incl | 655 | ... | 10 | ||
| over 12 to 25 incl | 585 | ... | 12 | ||
| over 25 | 480 | ... | 15 | ||
| bar: square and rectangular: 6 to 9 incl | 525 | ... | 10 | ||
| over 9 | 480 | ... | 15 | ||
| Copper Alloy UNS Nos. C53400 and C54400 | |||||
| H04 | hard | rod: round and hexagonal: 1.6 to 6 incl | 450 | ... | 8 |
| over 6 to 12 incl | 415 | ... | 10 | ||
| over 12 to 25 incl | 380 | ... | 12 | ||
| over 25 | 345 | ... | 15 | ||
| bar: square and rectangular: 6 to 9 incl | 380 | ... | 10 | ||
| over 9 | 345 | ... | 15 | ||