Forgings, Fasteners, Boltings, Stud Bolts, Screws, Nuts
ASTM B151 specification establishes the requirements for copper-nickel-zinc and copper-nickel rod and bar for general application produced from Copper Alloy UNS Nos. C70600, C70620, C71500, C71520, C74500, C75200, C75700, C76400, C77000, and C79200.
Cu Alloys UNS Nos. C70620 and C71520 are for product intended for welding applications.
| Composition, % max (unless shown as range or min) | Element | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cu Alloy UNS No. | Cu Incl Ag | Ni, Incl Co | Pb | Fe | Mn | Zn | P | S | C |
| C70600 | remainder | 9.0-i1.0 | 0.05 | 1.0-1.8 | 1.0 | 1.0 | 0.02 | 0.02 | ... |
| C70620 | 86.5 min | 9.0-11.0 | 0.02 | 1.0-1.8 | 1.0 | 0.50 | 0.02 | 0.02 | 0.05 |
| C71500 | remainder | 29.0-33.0 | 0.05 | 0.40-1.0 | 1.0 | 1.0 | ... | ... | ... |
| C71520 | 65.0 min | 29.0-33.0 | 0.02 | 0.40-1.0 | 1.0 | 0.50 | 0.02 | 0.02 | 0.05 |
| C74500 | 63.5-66.5 | 9.0-11.0 | 0.05 | 0.25 | 0.50 | remainder | ... | ... | ... |
| C75200 | 63.0-66.5 | 16.5-19.5 | 0.05 | 0.25 | 0.50 | remainder | ... | ... | ... |
| C75700 | 63.5-66.5 | 11.0-13.0 | 0.05 | 0.25 | 0.50 | remainder | ... | ... | ... |
| C76400 | 58.5-61.5 | 16.5-19.5 | 0.05 | 0.25 | 0.50 | remainder | ... | ... | ... |
| C77000 | 53.5-56.5 | 16.5-19.5 | 0.05 | 0.25 | 0.50 | remainder | ... | ... | ... |
| C79200 | 59.0-66.5 | 11.0-13.0 | 0.8-1.4 | 0.25 | 0.50 | remainder | ... | ... | ... |
| Cu Alloy UNS No. | Temper Designation | Grain Size, mm | ||
|---|---|---|---|---|
| Nominal | Minimum | Maximum | ||
| All alloys | OS015 | 0.015 | . . . | 0.03 |
| All alloys | OS035 | 0.035 | 0.025 | 0.05 |
| C74500, C75200, C75700, C76400, and C77000 | OS070 | 0.07 | 0.05 | 0.1 |
| Temper Designation | Diameter or Distance Between Parallel Surfaces, in. [mm] | Tensile Strength, ksi [MPa]A | |||
|---|---|---|---|---|---|
| Copper Alloy UNS Nos. C75200 and C79200 | Copper Alloy UNS Nos. C74500, C75700, C76400, and C77000 | ||||
| Min | Max | Min | Max | ||
| Rod: round | |||||
| H01 | 0.02 to 0.50 [0.5 to 10], incl | 60 [415] | 80 [550] | 75 [515] | 95 [655] |
| Rod: round, hexagonal, octagonal | |||||
| H04 | 0.02 to 0.25 [0.5 to 6.5], incl | 80 [550] | 100 [690] | 90 [620] | 110 [760] |
| Over 0.25 to 0.50 [6.5 to 10], incl | 70 [485] | 90 [620] | 80 [550] | 100 [690] | |
| Over 0.50 to 1.0 [10 to 25], incl | 65 [450] | 85 [590] | 75 [515] | 95 [655] | |
| Over 1.0 [25] | 60 [415] | 80 [550] | 70 [485] | 90 [620] | |
| H04 | Bar: | ||||
| square, rectangular all sizes | 68 [470] | 88 [605] | 75 [515] | 95 [650] | |
| Temper Designation | Diameter or Distance Between Parallel Surfaces, in. | Tensile Strength, min, ksi | Yield Strength at 0.5 % Extension Under Load, min, ksi | Elongation in 4x Diameter or Thickness of Specimen, min, % A | |
|---|---|---|---|---|---|
| Copper Alloy UNS Nos. C70600 and C70620 | |||||
| O60, M30 | round, hexagonal, and octagonal rods and square bars | all sizes | 38 | 15 | 30 |
| H04 | round, hexagonal, and octagonal rods and square bars | up to 3⁄8, incl | 60 | 38 | 10 |
| over 3⁄8 to 1, incl | 50 | 30 | 15 | ||
| over 1 to 3, incl | 40 | 15 | 30 | ||
| over 3 to 5, incl | 38 | 15 | 20 | ||
| O60 | rectangular bars and shapes | all sizes | 38 | 15 | 30 |
| For Thicknesses | |||||
| H04 | rectangular bars | up to 3⁄8, incl | 55 | 30 | 10 |
| over 3⁄8 to 1⁄2, incl | 50 | 28 | 12 | ||
| over 1⁄2 to 3 | 40 | 17 | 20 | ||
| H04 | shapes | all sizes | (As agreed upon between the manufacturer or supplier and the purchaser) | ||
| Copper Alloy UNS Nos. C71500 and C71520 | |||||
| 060, M30 | round, hexagonal,and octagonalrods and square bars | up to 1/2. incl | 52 | 18 | 30 |
| over 1/2 to 1, incl | 48 | 18 | 30 | ||
| over 1 | 45 | 18 | 30 | ||
| H01 | round, hexagonal,and octagonal rods and square bars | up to V2. incl | 65 | 50 | 10 |
| over '12 to 1, incl | 60 | 45 | 15 | ||
| over 1 to 3, incl | 55 | 35 | 20 | ||
| over 3to 5,incl | 45 | 18 | 20 | ||
| H04 | up to V2. incl | 80 | 60 | 8 | |
| over 1/2 to 1, incl | 75 | 58 | 10 | ||
| over 1 to 2,incl | 70 | 55 | 10 | ||
| 060 | rectangular bars and shapes | all sizes | 45 | 15 | 30 |
| For Thicknesses | |||||
| H04 | rectangular bars | up to 1/2. incl | 75 | 55 | 7 |
| over 1/2 to 1, incl | 70 | 50 | 10 | ||
| H04 | shapes | all sizes | (As agreed upon between the manufacturer or supplier and the purchaser) | ||
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