Conductor Materials

New England Wire Technologies is well known in the industry as a manufacturer of high-quality braided wire products…stand-alone braided products as well as a broad range of flexible cables and strands which are used primarily in our specialty single and multi-conductor cables. We offer a full range of conductive materials including bare, tinned, nickel and silver plated copper, alloy, pure nickel or silver, various stainless steels, Monel® and bronze as well as textiles (nylon, cotton, fiberglass, Aramid, Polyester) and monofilament.

The chart below may help you in choosing the appropriate material for your application. Please Contact Us today to get started on your next project!

 















NEWT Designation

Description

Conductivity (%IACS)

Tensile Strength (psi)

Yield Strength (psi)

Elongation

Applicable ASTM Standards

Typical Uses/Benefits



Soft

Hard

Soft

Hard

Soft

Hard



NEWaloy 10

ETP Copper

100% Min

35,000 Nom

60,000 Nom

10,000 Nom

50,000 Nom

10-25%

1% Nom

ASTM B1/B3   ASTM B258

the standard for the wire and cable industry, generally annealed (soft) except for 47-50 AWG



NEWaloy 11

OF Copper (Grade 1)

101% Min

35,000 Nom

60,000 Nom

10,000 Nom

50,000 Nom

10-25%

1% Nom

ASTM B1/B3   ASTM B258

when the highest conductivity is required or in hydrogen rich environments, generally annealed



NEWaloy 13

RoHS compliant High Strength Alloy

73% Nom (hard)

40,000 Nom

90,000 Min

30,000 Nom

80,000 Nom

10-25%

1% Nom

ASTM B250       ASTM B258

mechanically demanding applications, high flex or continuous flex, hard-drawn typically used (see Newaloy23)



NEWaloy 14

RoHS compliant Alloy

85% Min

55,000 Min (only 1 temper)

35,000 Nom

6% Min

ASTM B258




NEWaloy 21

OF Copper (Grade 2)

100% Min

35,000 Nom

60,000 Nom

10,000 Nom

50,000 Nom

10-25%

1% Nom

ASTM B1 or B3   ASTM B258

when the highest conductivity is required or in hydrogen rich environments, generally annealed



NEWaloy 23

RoHS compliant High Strength Alloy

77% Nom (hard)

40,000 Nom

90,000 Min

30,000 Nom

80,000 Nom

10-25%

1% Nom

ASTM B250       ASTM B258

mechanically demanding applications, high flex or continuous flex, hard-drawn typically used



NEWaloy 61

Cad-Copper            (Not RoHS Compliant)

80% Nom

40,000 Nom

85,000 Min

20,000 Nom

80,000 Nom

10-25%

1% Nom

ASTM B105      ASTM B258

mechanically demanding applications, high flex or continuous flex, hard-drawn typically used



NEWaloy 81

Cad-Chromium Copper (Not RoHS Compliant)

85% Min

60,000 Min (only 1 temper)

40,000 Nom

6-8% Min (varies with size)

ASTM B624      ASTM B258

significant improvement in flex life versus copper with a minimal loss in conductivity



NEWaloy 15, 25, 75

Phosphor Bronze (Resistance Wire)

Varies according to grade, size, & coating

Varies according to Grade

Varies according to Grade

Varies according to Grade

ASTM B105      ASTM B258

resistance wire, various grades are available to achieve a specific resistance



Aluminum 1350

EC Grade Aluminum

61.8% Nom (soft)

8,500-14,000

27,000 Nom

4,000 Nom

24,000 Nom

23% Nom

1.4% Nom

ASTM B230/B609 ASTM B258

when keeping weight low is the primary design goal



Aluminum 5052

Aluminum Alloy

33.6-37.6% (soft)

32,000 Max

34,000 Min

9.500 Nom

26,000 Min

25% Nom

1% Nom

ASTM B211      ASTM B258

when low weight is the primary design goal but with improved mechanical properties



Stainless Steel

304 or 316L, others available

2.3 - 2.4% Nom for Standard Grades

75,000 Min

various grades & tempers

30,000 Min

Various grades and tempers

25% Min

various grades and tempers

ASTM A580      ASTM B258

small but high strength signal wire, crush resistant shields or as a strength member



CCA

Copper Clad Aluminum

Depends on temper & Copper:Aluminum ratio. 62.9% Min for Class 10A (soft, 10% Copper)

25,000 Max

30,000 min

12,000 Nom

22,000 Nom

5% Min

1% Min

ASTM B566      ASTM B258

Low weight but with increased conductivity and ease of termination provided by copper surface, high frequency applications (skin effect will cause current to run primarily in copper)



CCS

Copper Clad Steel

Typically 40%. 30% also available with slightly improved mechanical properties

50,000 Min (Class 40)

110,000 Min (Class 40)



10% Min

1% Min

ASTM B452      ASTM B258

very high flex life and tensile strength with reasonable conductivity, high frequency applications (skin effect will cause current to run primarily in copper)



Tinsel Wire

Flat Wire helically wrapped around textile core

Varies according to type

Varies according to Type

Varies according to Type

Varies according to Type


Offers extremely high flex life along with high flexibility and tensile strength when the increase in diameter can be tolerated



Thermocouple Wire

Extension Wire for Types E, J, K, T, etc.

Varies according to type

Varies according to Type

Varies according to Type

Varies according to Type

ASTM E230      ASTM B258

To connect a thermocouple probe to the device that reads the signal. Using identical metals as the probe itself allows for accurate reading



Silver

Pure Silver

106%

21,000 Nom

50,000 Nom

8,000 Nom





Highest thermal and electrical conductivity at room temperature of all metals



Magnet Wire

Enamel Coated Conductor

Varies according to conductor material. Typically 100% Copper

Varies according to material

Varies according to material

Varies according to material

ASTM D1676    ASTM D2307

High frequency applications - the enamel insulates each individual strand increasing efficiency. See Litz (link to Litz)



Superconductor

Resistance = 0 below critical temperature

N/A

Varies according to Type

Varies according to Type

Varies according to Type


High energy applications needing extreme efficiency: MAGLEV, MRI, particle accelerators