This specification covers nickel (UNS N02200), low carbon nickel (UNS N02201), and solution strengthened nickel (UNS N02211) in the form of hot-worked, cold-worked, or annealed rods and bars of round, square, hexagonal, or rectangular solid section. The material shall conform to the chemical composition limits specified for nickel, copper, iron, manganese, carbon, silicon, and sulfur. Mechanical requirements including tensile strength, yield strength, and elongation are given for specific conditions and diameter or distance between parallel surfaces. Chemical analysis, tension test, and hardness test shall be performed.
Область применения1.1 This specification covers nickel (UNS N02200)*, low carbon nickel (UNS N02201)*, and solution strengthened nickel (UNS N02211) in the form of hot-worked and cold-worked rod and bar in the conditions shown in Table 1.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
TABLE 1 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 |
A See 12.2.
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.
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