ASTM B164 Specification

This specification2 covers nickel-copper alloys UNS N04400 and N04405* in the form of hot-worked and coldworked rod and bar in the conditions shown in Table 1 and cold-worked wire in the conditions shown in Table 2. The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

Chemical Composition

Element Composition Limits, %
UNS N04400 UNS N04405
Nickel A 63.0 min 63.0 min
Copper 28.0 min - 34.0 max 28.0 min - 34.0 max
Iron 2.5 max 2.5 max
Manganese 2.0 max 2.0 max
Carbon 0.3 max 0.3 max
Silicon 0.5 max 0.5 max
Sulfur 0.024 max 0.025 min - 0.060 max
Note:

A. Element shall be determined arithmetically by difference.

Mechanical Properties of Rod and Bar

Condition and Diameter or Distance Between Parallel Surfaces, in. (mm) Tensile Strength min, psi (MPa) Yield Strength (0.2 % offset)A min. psi (MPa) Elongation in 2 in. or 50 mm (or 4D), min, % Rockwell Hardness (or equivalent)
UNS N04400
Cold-worked (as worked):
       
Rounds under 1⁄2 (12.7) 110 000 (760) 85 000 (585) 8B
Squares, hexagons,and rectangles under 1⁄2 (12.7) 85 000 (585) 55 000 (380) 10B
Cold-worked (stress-relieved):        
Rounds under 1⁄2 (12.7) 84 000 (580) 50 000 (345) 10B
Rounds, 1⁄2 to 3 1⁄2 (12.7 to 88.9),incl 87 000 (600) 60 000 (415) 20
Rounds,over 3 1⁄2 to 4 (88.9 to 101.6), incl 84 000 (580) 55 000 (380) 20
Squares,hexagons and rectangles, 2 (50.8) and under 84 000 (580) 50 000 (345) 20B,C
Squares,hexagons and rectangles. over 2 (50.8) to 3 1⁄8 is (79.4), incl 80 000 (552) 50 000 (345) 20
Hot-worked (as worked or stress-relieved):        
Rounds, squares,and rectangles up to 12 (305), incl,and hexagons 2 1⁄8 is (54) and under 80 000 (552) 40 000 (276) 30D
Rounds.squares,and rectangles over 12 (305) to 14 (356), incl 75 000 (517) 40 000 (276) 30
Hexagons over 2\.is (54) to 4 (102), incl 75 000 (517) 30 000 (207) 25
Rings and disks B 75 to B95
Hot-worked (annealed) or cold-worked (annealed}:        
Rod and bar,all sizes  70 000 (480) 25 000 (170) 35
Rings and disks B 60 to B75
Forging quality:E        
All sizes
UNS N04405
Cold-worked (as worked or stress-relieved):        
Rounds, under 1⁄2 (12.7) 85 000 (585) 50 000 (345) 8B
Rounds, 1⁄2 (12.7) to 3 (76.2), incl 85 000 (585) 50 000 (345) 15
Rounds, over 3 (76.2) to 4 (101.6), incl 80 000 (552) 50 000 (345) 15
Hexagons and squares 2 (50.8) and under 85 000 (585) 50 000 (345) 15B,C
Hexagons and squares over 2 (50.8) to 31⁄8 (79.4), incl 80 000 (552) 45 000 (310) 15
Hot-worked (as hot-worked or stress-relieved):        
Rounds 3 (76.2) and less 75 000 (517) 35 000 (241) 30
Hexagons and squares, 21⁄8 (54) and less 75 000 (517) 35 000 (241) 30
Hexagons and squares, over 21⁄8 (54) to 4 (101.6), incl 70 000 (480) 30 000 (207) 25
Hot-worked (annealed) or cold-worked (annealed):        
Rod and Bar, All sizes 70 000 (480) 25 000 (170) 35
Note:

B. Not applicable to diameters or cross sections under 3⁄32 in. (2.4 mm).
C. For sections under 1⁄2 in. (12.7 mm), the elongation shall be 10 % min.
D. For hot-worked flats 5⁄16 in. (7.9 mm) and under in thickness the elongation shall be 20 % min.
E. Forging quality is furnished to chemical requirements and surface inspection only. No tensile properties are required.

Mechanical Properties of Cold-Worked Wire in CoilA

Alloy Condition and Size, in. (mm) Tensile Strength, psi (MPa) Wrapping Test
Min Max
UNS N04400 and N04405:      
Annealed, all sizes 70 000 (483) 85 000 (586) All wire shall wrap around a rod of the
same diameter as the wire without
cracking
No. 0 temper, under 1⁄2 (12.7) 80 000 (552) 95 000 (655)
No. 1 temper, under 1⁄2 (12.7) 90 000 (621) 110 000 (758)
UNS N04400:      
Regular temper, under 1⁄2 (12.7) 110 000 (758) 140 000 (965) All wire up to 0.2294 in. (5.84 mm),
inclusive, shall wrap around a rod of
the same diameter as the wire without
cracking. Wire over 0.2294 in. diameter
shall wrap around a rod of twice
the wire diameter without cracking.
Regular temper, 1⁄2 (12.7) and over 90 000 (621) 130 000 (896)
Spring temper    
0.028 (0.71) and less 165 000 (1138) ...
Over 0.028 (0.71) to 0.057 (1.45), incl 160 000 (1103) ...
Over 0.057 (1.45) to 0.114 (2.90), incl 150 000 (1034) ...
Over 0.114 (2.90) to 0.312 (7.92), incl 140 000 (965) ...
Over 0.312 (7.92) to 0.375 (9.53), incl 135 000 (931) ...
Over 0.375 (9.53) to 0.500 (12.7), incl 130 000 (896) ...
Over 0.500 (12.7) to 0.563 (14.3), incl 120 000 (827) ...