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Chemical Composition
| Element | Composition Limits, % | ||
|---|---|---|---|
| Nickel (UNS N02200) | Low-Carbon Nickel (UNS N02201) | Solution Strengthened Nickel (UNS N02211) | |
| Nickel, minA | 99.0 | 99.0 | 93.7 |
| Copper, max | 0.25 | 0.25 | 0.25 |
| Iron, max | 0.40 | 0.40 | 0.75 |
| Manganese, max | 0.35 | 0.35 | 4.25 – 5.25 |
| Carbon, max | — | 0.02 | 0.02 |
| Silicon, max | 0.35 | 0.35 | 0.15 |
| Sulfur, max | 0.01 | 0.01 | 0.015 |
A. Element shall be determined arithmetically by difference.
Mechanical Properties
| Condition and Diameter or Distance Between Parallel Surfaces, in. (mm) | Tensile Strength, min, psi (MPa) | Yield Strength (0.2 % offset), min. psi (MPa)A | Elongation in 2 in. or 50 mm or 4D,min % |
|---|---|---|---|
| Nickel (UNS N02200) | |||
| Cold-worked (as worked): | |||
| Rounds, 1 (25.4) and under | 80 000 (550) | 60 000 (415) | 10B |
| Rounds over 1 to 4 (25.4 to 101.6) incl. | 75 000 (515) | 50 000 (345) | 15 |
| Squares, hexagons, and rectangles, all sizes | 65 000 (450) | 40 000 (275) | 25B |
| Hot-worked: | |||
| All sections, all sizes | 60 000 (415) | 15 000 (105) | 35C |
| Rings and disksD | — | — | — |
| Annealed: | |||
| Rods and bars, all sizes | 55 000 (380) | 15 000 (105) | 40B |
| Rings and disksE | — | — | — |
| Forging quality All sizes | F | F | F |
| Low-Carbon Nickel (UNS N02201) and Solution Strengthened Nickel (UNS N02211) | |||
| Hot-worked: | |||
| All sections, all sizes | 50 000 (345) | 10 000 (70) | 40C |
| Annealed: | |||
| All products, all sizes | 50 000 (345) | 10 000 (70) | 40B |
B. Not applicable to diameters or cross sections under 3⁄32 in. (2.4 mm).
C. For hot-worked flats 5⁄16 in. (7.9 mm) and under in thickness the elongation shall be 25%, min.
D. Hardness B45 to B80, or equivalent. E Hardness B45 to B70 or equivalent.
F. Forging quality is furnished to chemical requirements and surface inspection only. No tensile properties are required.
Referenced Documents
| ASTM B 162 | Specification for Nickel Plate, Sheet, and Strip. |
| ASTM B 880 | Specification for General Requirements for Chemical Check Analysis of Nickel, Nickel Alloys, and Cobalt Alloys. |
| ASTM E 8 | Test Methods for Tension Testing of Metallic Materials. |
| ASTM E 18 | Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials. |
| ASTM E 29 | Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications. |
| ASTM E 140 | Hardness Conversion Tables for Metals. |
| ASTM E 1473 | Test Methods for Chemical Analysis of Nickel, Cobalt and High-Temperature Alloys. |