ISO 9001 Certified
CUPRO-NICKEL SPECS
CUPRO-NICKEL ALLOY 706
NOMINAL DATA SHEET
 
TYPICAL NOMINAL CHEMISTRY
10 % Cu/Ni
88.6% Cu
10 % Ni
1.4 % Fe

ASME SPEC NO.: SB171 & 402
SAE ALLOY NO.:
MILITARY SPEC.:MIL-C-15726
ASTM ALLOY NO.:B122
FEDERAL SPECS.:
DENSITY(lbs. per cu. in at 68 F (Annealed) (x 27.68 = gms/cu cm at 20 C):.323
MOD. OF ELAST.(x 10****** PSI, tension): 18
ELECT. COND.(% IACS at 68 F (20 C) as annealed): 9
THERM. COND.
(BTU per sq.ft.per ft.per hr.per F at 68 F,(20 C): 26
COEFF.OF TH.EXPN.(Inches/inch/ F x 10(-******) from 68 F to 572 F (20 C to 300 C): 9.5

 

TENSILE STRENGTH
YIELD STRENGTH
(0.2% offset)
(x 1000 PSI (MPA = KSI x 6.8948)
annealed: 43 - 50
25 max
1/2 hard: 58 - 72
55 - 71
full hard: 71 - 83
69 - 81
spring: 78 - 88
76 min,

ELONGATION % IN 2 inches (=% in 50mm)
annealed: 33 - 37
1/2 hard: 2 - 9
full hard: 1 - 2
spring: 1 max

ROCKWELL B HARDNESS
(.20 gauge and over (Rockwell F or 30 T where noted)
annealed: - 66 - 84(F)
1/2 hard: 66 - 81
full hard: 76 - 86
spring: 83 - 91


CUPRO-NICKEL ALLOY 715
NOMINAL DATA SHEET
 
PTYPICAL NOMINAL CHEMISTRY
30% Cu/Ni
69.4% Cu
30 % Ni
0.6 % Fe

ASME SPEC NO.: SB171 & 402
SAE ALLOY NO.: MILITARY SPEC.:MIL-C-15726
MILITARY SPEC.:MIL-C-15726
ASTM ALLOY NO.:B122
FEDERAL SPECS.:
DENSITY(lbs. per cu. in at 68 F (Annealed) (x 27.68 = gms/cu cm at 20 C):.323
MOD. OF ELAST.(x 10****** PSI, tension):22
ELECT. COND.(% IACS at 68 F (20 C) as annealed):4.6
THERM. COND.
COEFF.OF TH.EXPN.(Inches/inch/ F x 10(-******) from 68 F to 572 F (20 C to 300 C):9.0

 

TENSILE STRENGTH
YIELD STRENGTH
(0.2% offset)
(x 1000 PSI (MPA = KSI x 6.8948)
annealed: 52 min.
-
1/2 hard: 66 - 80
60 - 78
full hard: 75-88
73 - 84
spring: 84 - 94
81 - 90

ELONGATION % IN 2 inches (=% in 50mm)
annealed: 30 min.
1/2 hard: 3 - 10
full hard: 2 - 4
spring: 1 - 2

ROCKWELL B HARDNESS
(.20 gauge and over (Rockwell F or 30 T where noted)
annealed: - 76 - 85
1/2 hard: 76 - 85
full hard: 83 - 89
spring: 87 - 91



COPPER / NICKEL / TIN ALLOY 725
NOMINAL DATA SHEET
 
TYPICAL NOMINAL CHEMISTRY
88.2% Cu
9.5% Ni
2.3% SN

ASME SPEC NO.:
SAE ALLOY NO.:
MILITARY SPEC.:
ASTM ALLOY NO.:B122
FEDERAL SPECS.:
DENSITY(lbs. per cu. in at 68 F (Annealed) (x 27.68 = gms/cu cm at 20 C):.321
MOD. OF ELAST.(x 10****** PSI, tension):20
ELECT. COND.(% IACS at 68 F (20 C) as annealed):11
THERM. COND.
(BTU per sq.ft.per ft.per hr.per F at 68 F,(20 C):31
COEFF.OF TH.EXPN.(Inches/inch/ F x 10(-******) from 68 F to 572 F (20 C to 300 C):9.2

 

TENSILE STRENGTH
YIELD STRENGTH
(0.2% offset)
(x 1000 PSI (MPA = KSI x 6.8948)
annealed: 45 - 65
18 - 25
1/2 hard: 65 - 80
59 - 78
full hard: 75 - 90
73 - 88
spring: 85 - 100
83 - 97

ELONGATION % IN 2 inches (=% in 50mm)
annealed: 34 - 36
1/2 hard: 3 - 17
full hard: 1 - 5
spring: 1 - 2

ROCKWELL B HARDNESS
(.20 gauge and over (Rockwell F or 30 T where noted)
annealed: - 50 max (30t)
1/2 hard: 70 - 90
full hard: 75 - 90
spring: 85 - 95


NICKEL SILVER ALLOY 735
NOMINAL DATA SHEET
 
TYPICAL NOMINAL CHEMISTRY
72% Cu
18% Ni
10%ZN

ASME SPEC NO.:
SAE ALLOY NO.:
MILITARY SPEC.:
ASTM ALLOY NO.:B122
FEDERAL SPECS: QCC 585
DENSITY(lbs. per cu. in at 68 F (Annealed) (x 27.68 = gms/cu cm at 20 C):.319
MOD. OF ELAST.(x 10****** PSI, tension): 18
ELECT. COND.(% IACS at 68 F (20 C) as annealed): 8
THERM. COND.
(BTU per sq.ft.per ft.per hr.per F at 68 F,(20 C): 21.5
COEFF.OF TH.EXPN.(Inches/inch/ F x 10(-******) from 68 F to 572 F (20 C to 300 C): 9.0

 

TENSILE STRENGTH
YIELD STRENGTH
(0.2% offset)
(x 1000 PSI (MPA = KSI x 6.8948)
annealed: 50 - 68
15 - 60
1/2 hard: 63 - 75
49 - 69
full hard: 73 - 84
67 - 78
spring: 85 - 93
78 - 84

ELONGATION % IN 2 inches (=% in 50mm)
annealed: 11 - 37
1/2 hard: 3 - 16
full hard: 1 - 3
spring: 1 max.

ROCKWELL B HARDNESS
(.20 gauge and over (Rockwell F or 30 T where noted)
annealed: - 81 - 100(F)
1/2 hard: 75 - 84
full hard: 83 - 88
spring: 89 - 92


NICKEL SILVER ALLOY 752
NOMINAL DATA SHEET
 
TYPICAL NOMINAL CHEMISTRY
65% Cu
18% Ni
17%ZN

ASME SPEC NO.:
SAE ALLOY NO.: CA752
MILITARY SPEC.:
ASTM ALLOY NO.:B122
FEDERAL SPECS: QCC 585
DENSITY(lbs. per cu. in at 68 F (Annealed) (x 27.68 = gms/cu cm at 20 C):.316
MOD. OF ELAST.(x 10****** PSI, tension): 18
ELECT. COND.(% IACS at 68 F (20 C) as annealed): 6
THERM. COND.
(BTU per sq.ft.per ft.per hr.per F at 68 F,(20 C): 19
COEFF.OF TH.EXPN.(Inches/inch/ F x 10(-******) from 68 F to 572 F (20 C to 300 C): 9.0

 

TENSILE STRENGTH
YIELD STRENGTH
(0.2% offset)
(x 1000 PSI (MPA = KSI x 6.8948)
annealed: 53 - 63
18 - 32
1/2 hard: 66 - 80
48 - 78
full hard: 78 - 91
75 - 90
spring: 90 - 101
88 - 99

ELONGATION % IN 2 inches (=% in 50mm)
annealed: 29 - 42
1/2 hard: 6 -22
full hard: 3 - 7
spring: 1 - 2

ROCKWELL B HARDNESS
(.20 gauge and over (Rockwell F or 30 T where noted)
annealed: - 81 - 100(F)
1/2 hard: 68 - 82
full hard: 80 - 90
spring: 89 - 96


NICKEL SILVER ALLOY 762
NOMINAL DATA SHEET
 
TYPICAL NOMINAL CHEMISTRY
59% Cu
12% Ni
29%ZN

ASME SPEC NO.:
SAE ALLOY NO.:
MILITARY SPEC.:
ASTM ALLOY NO.:B122
FEDERAL SPECS: QCC 585
DENSITY(lbs. per cu. in at 68 F (Annealed) (x 27.68 = gms/cu cm at 20 C):.310
MOD. OF ELAST.(x 10****** PSI, tension): 18
ELECT. COND.(% IACS at 68 F (20 C) as annealed): 9
THERM. COND.
(BTU per sq.ft.per ft.per hr.per F at 68 F,(20 C): 24
COEFF.OF TH.EXPN.(Inches/inch/ F x 10(-******) from 68 F to 572 F (20 C to 300 C): 9.0

 

TENSILE STRENGTH
YIELD STRENGTH
(0.2% offset)
(x 1000 PSI (MPA = KSI x 6.8948)
annealed: 57 - 75
21 - 51
1/2 hard: 75 - 91
58 - 82
full hard: 90 - 105
82 - 97
spring: 109 - 122
101 - 110

ELONGATION % IN 2 inches (=% in 50mm)
annealed: 32 - 49
1/2 hard: 6 -30
full hard: 3 - 6
spring: 1 max.

ROCKWELL B HARDNESS
(.20 gauge and over (Rockwell F or 30 T where noted)
annealed: - 81 - 100(F)
1/2 hard: 77 - 98
full hard: 90 - 95
spring: 97 - 100


NICKEL SILVER ALLOY 770
NOMINAL DATA SHEET
 
TYPICAL NOMINAL CHEMISTRY
59% Cu
18% Ni
27%ZN

CHEMICAL COMPOSITION: NICKEL SILVER 55 - 18
55% CU / 27% ZN / 18% NI
ASME SPEC NO.:
SAE ALLOY NO.: CA770
MILITARY SPEC.:
ASTM ALLOY NO.:B122
FEDERAL SPECS: QCC 585
DENSITY(lbs. per cu. in at 68 F (Annealed) (x 27.68 = gms/cu cm at 20 C):.314
MOD. OF ELAST.(x 10****** PSI, tension): 18
ELECT. COND.(% IACS at 68 F (20 C) as annealed): 5.5
THERM. COND.
(BTU per sq.ft.per ft.per hr.per F at 68 F,(20 C): 17
COEFF.OF TH.EXPN.(Inches/inch/ F x 10(-******) from 68 F to 572 F (20 C to 300 C): 9.3

 

TENSILE STRENGTH
YIELD STRENGTH
(0.2% offset)
(x 1000 PSI (MPA = KSI x 6.8948)
annealed: 61 - 76
23 - 41
1/2 hard: 78 - 95
64 - 93
full hard: 92 - 107
90 - 106
spring: 108 - 120
107 - 118

ELONGATION % IN 2 inches (=% in 50mm)
annealed: 39 - 48
1/2 hard: 5 - 24
full hard: 3 - 6
spring: 1 max.

ROCKWELL B HARDNESS
(.20 gauge and over (Rockwell F or 30 T where noted)
annealed: - 81 - 100(F)
1/2 hard: 81 - 92
full hard: 90 - 96
spring: 97 - 100


AVAILABLE TEMPERS:
ANNEALED, 1/4 HARD, 1/2 HARD, 3/4 HARD, HARD, EX. HARD, SPRING, EX. SPRING
COIL/FOIL
.003
.004
.005
.010
.015
.020
.030
.040
.050
.062
WIRE form also available.

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