Phone:973-278-1666
Email:info@lfa-wire.com
Technical Data
Menu
  • Home
  • About
  • Wire
    • Beryllium Copper Wire
      • Heat Treatable, Alloy 25 (C17200 and C17300)
      • Heat Treatable (C17410)
      • Tempered, Alloy 25 (C17200)
    • Nickel Wire
      • 80-20 Copper-Nickel C71000
      • COPPER-NICKEL-TIN C72500
      • Nickel 205 Grade A
    • Phosphor Bronze Wire
      • Phosphor Bronze, C51000 Grade A
      • Phosphor Bronze C52100 Grade C
      • Phosphor Bronze, C50700 Grade E
    • Brass Wire
      • 70-30 Brass, C26000
    • Copper Wire
      • Copper, Oxygen Free High Conductivity C10200
      • Copper, C11000, ETP
      • Zirconium Copper Wire
      • Cadmium-Chromium-Copper C18135
    • Copper Alloy Wire
      • C 18080 K-88 Alloy
      • C 18150 Copper Chromium Zirconium (ZCC)
  • Plating
  • Straight And Cut
  • Request Quote
  • Sales Terms
  • Contact
  • Chinese Catalog
CLOSE

COPPER-NICKEL-TIN C72500

Home Nickel Wire COPPER-NICKEL-TIN C72500

COPPER-NICKEL-TIN C72500

COMPOSITION
COPPER-NICKEL-TIN C72500
ELEMENT PERCENT
NOMINAL MINIMUM MAXIMUM
Copper
88.2
–
–
Lead
– – .05
Iron – – .60
Zinc – – .50
Nickel 9.5 8.5 10.5
Manganese – – .20
Tin 2.3 1.8 2.8
Copper plus elements specified –
99.8
–
PHYSICAL PROPERTIES
COPPER-NICKEL-TIN C72500
HEAT TREATED CONDITION ENGLISH UNITS METRIC UNITS
Melting Range 1940-2065°F 1060-1130°C
Density .321 lb/cu in. @ 68°F 8.89 gm/cm@ 20°C
Specific Gravity 8.89 8.89
Coefficient of Thermal
Expansion
.0000092 per °F (68-572°F) .0000165 per °C (20-300°C)
Thermal Conductivity 31 BTU/sq ft/ft/hr/°F @ 68°F .13 cal/sq cm/cm/sec/°C @ 20°C
Electrical Resistivity 94.3 Ohms circ mil per ft @ 68°F 15.7 microhm – cm @ 20°C
Electrical Conductivity 11% Copper IACS @ 68°F .064 megohm cm @ 20°C
Modulus of Elasticity
(tension)
20,000 KSI 14,100 kg/sq mm
Modulus of Rigidity
(torsion)
7,500 KSI 5,200 kg/sq mm
Annealing Temperature 1200-1475°F 650-800°C
MECHANICAL PROPERTIES
COPPER-NICKEL-TIN C72500
For Round and Square Wire
DESIGNATION TENSILE STRENGTH YIELD STRENGTH
.2% Offset
†
% †
ELONGATION
in 10 in.
STD FORMER KSI*
nominal
MPa**
nominal
KSI* MPa**
– Annealed (0.15mm) 60 410 25 170 35
H01 Quarter Hard (1/4H) 80 550 – – –
H02 Half Hard (1/2H) 90 620 – – –
H06 Extra Hard (XH) 100 690 – – –
H14 Super Spring 120 8.30 – – –
Range – apply ą5 KSI to hardest material rising to ą8 KSI on annealed.
MECHANICAL PROPERTIES
COPPER-NICKEL-TIN C72500
For Rolled Flat Wire other than Square
DESIGNATION TENSILE STRENGTH
NOMINAL
YIELD STRENGTH .2% Offset %
ELONGATION IN 10 in.
†
STD FORMER KSI* MPa** KSI* MPa**
– Annealed (0.15mm) 55 380 22 151 35
H01 Quarter Hard (1/4H) 55-75 380-515 58 399 18
H02 Half Hard (1/2H) 65-80 450-550 69 475 6
– Three Quarter Hard (3/4H) 77 – 75 517 5
H04 Extra Hard (XH) 80-95 550-655 86 592 2
H08 Spring 85-100 585-690 90 620 1
H14 Super Spring 100-125 690-860 108 745 1

* 1 KSI equals 1,000 PSI
** 1 KSI equals 6.894,757 MPa
MPa equals Megapascal
†Values for reference only.

COPPER-NICKEL-TIN C72500

  • Copyright © Little Falls Alloys
  • 171-191 Caldwell Avenue
    Paterson NJ 07501
  • Tel: (973) 278-1666
    Fax: (973) 278-7345
    Toll Free: (888) LFA-Wire
    (888) 532-9473
  • Email:info@lfa-wire.com
Beryllium Copper Wire | Phosphor Bronze Wire | Nickel Wire | Brass Wire | Copper Wire | Zirconium Copper Wire | Zirconium Chromium Wire | Site Map | Wire Blog
Little Falls Alloys, Inc. is committed to offer top quality straighten and cut wire, plated wire and beryllium copper, Contact Us.