Specifications

Technical Specifications | Precision Copper Alloy Wire | XinMaterials Inc.

Technical Specifications

Key specifications for each product line, taken from the manufacturer’s datasheets. Click a product to expand its table.

Confirm critical values before ordering — custom sizes and tempers are available on request.

Copper-Tin Alloy Wire
GradeTin content (%)TemperWire dia. (mm)Tensile strength (N/mm²)Elongation (%)Conductivity (%IACS)
0.15%Sn0.10–0.20Hard2.60≥465≥0.2≥85
0.15%Sn0.10–0.20Hard0.90≥490≥0.2≥83
0.30%Sn0.25–0.35Hard2.60≥480≥0.2≥75
0.30%Sn0.25–0.35Hard0.90≥520≥0.2≥73
0.60%Sn0.55–0.65Hard2.60≥540≥0.2≥60
0.60%Sn0.55–0.65Hard0.90≥580≥0.2≥59
0.70%Sn0.65–0.75Hard2.60≥560≥0.2≥57
0.70%Sn0.65–0.75Hard0.90≥600≥0.2≥56
1.35%Sn1.30–1.40Hard0.90≥800≥0.2≥40
4%Sn3.5–4.5Hard0.90≥800≥0.2≥15

Minimum continuous drawing diameter: 0.020 mm.

High-Strength Copper-Magnesium Alloy Wire
GradeMg content (%)Tensile strength, hard (N/mm²)Tensile strength, annealed (N/mm²)Conductivity, hard (%IACS)Conductivity, annealed (%IACS)Typical applications
0.2%Mg0.2±0.05≥450≥220≥75≥82High-tension magnet wire, automotive wire
0.4%Mg0.4±0.05≥600≥240≥62≥75Railway catenary & contact wire, speaker leads, audio specialty wire
0.7%Mg0.7±0.05≥700≥260≥50–Airborne antennas and similar fields

Fully RoHS-compliant. Can be silver- or nickel-plated and drawn to ultra-fine diameters.

Copper-Silver Alloy Rod, Profile & Wire

Drawn round bar: Φ0.5–8 mm. Five standard grades by silver content; processes: up-cast bar, extruded bar, drawn round bar.

GradeCodeCu+Ag (%)Ag (%)O ≤ (%)Conductivity (%IACS) ≥Density (g/cm³)
CuAg(03)TUY-0399.950.02–0.040.0030988.9
CuAg(08)TUY-0899.950.06–0.100.0030988.9
CuAg(10)TUY-1099.950.08–0.120.0030978.9
CuAg(20)TUY-2099.950.15–0.250.0030978.9
CuAg(30)TUY-3099.950.25–0.350.0030978.9

Hardness: extruded bar 60±5 HV; drawn bar 110±5 HV.

Key benefits
  • Dimensional precision: extruded ±0.05 mm, drawn ±0.005 mm
  • Straightness up to 1 mm/m
  • Dense, defect-free structure — no porosity, delamination or inclusions
  • Bright surface with excellent oxidation resistance
High-Strength High-Conductivity Copper-Silver Wire
GradeAg content (%)TemperWire dia. (mm)Tensile strength (N/mm²)Elongation (%)Conductivity (%IACS)
0.10%Ag0.08–0.12Hard0.90≥450≥0.2≥96
0.60%Ag0.6±0.1Hard0.90≥500≥0.2≥91
1%Ag1±0.1Hard0.90≥550≥0.2≥90
2.5%Ag2.5±0.2Hard0.90≥600≥0.2≥88
4%Ag4±0.4Hard0.90≥750≥0.2≥82
6%Ag6±0.6Hard0.90≥780≥0.2≥80

0.10%Ag: rectifiers, flame-retardant and heat-resistant cables. 0.60%–6%Ag: defense and specialty fields, extreme-environment network cable, heat-resistant and medical wire & cable, miniature voice coils, microphone coils and other electronics. Meets ASTM B624-2007 (2017).

Precision Electrothermal Alloy
  • Copper-base heating alloy for operating temperatures below 300°C
  • Minimum drawable diameter: 0.02 mm
  • Conductivity range: 15–90% IACS
  • Patented in-house process

Typical uses: heated blankets, heated gloves and vests, induction cooktops.

Precision Magnetic Alloy & Copper-Base Elements
Precision magnetic alloy
Size rangeTemperTensile strength (MPa)Yield strength (MPa)Elongation (%)Hardness (HV)
0.4–3 mmH02350–410≥340≥3100–120
0.4–3 mmH04380–450≥370≥2110–130
0.4–3 mmH06410–480≥400≥1120–135
0.4–3 mmH08440–500≥420≥1120–140
0.5–3 mmO (annealed)≤255–≥25≤80
0.5–3 mmH02255–365––80–120
0.5–3 mmH04380–480––110–135

Strong magnetic permeability with high conductivity; drawable to 0.02 mm. Built for signal reception and shielding. Copper-base element materials (heat dissipation / heat exchange parts) can replace beryllium copper — custom per drawing.

Silver-Based Alloy Material
AlloyAg content (%)TemperWire dia. (mm)Tensile strength (N/mm²)Elongation (%)Resistance (Ω/m)Solidus (°C)Liquidus (°C)
Ag45Cu45±0.5Hard0.08500–8001.0–3.54.414–4.687780880
Ag45Cu45±0.5Hard0.10500–8001.0–3.52.745–2.915780880
Ag45Cu45±0.5Hard0.14500–8001.0–3.51.472–1.564780880
Ag45Cu45±0.5Hard0.20500–8001.0–3.50.706–0.750780880
Ag45Cu45±0.5Hard0.25500–8001.0–3.50.440–0.460780880
Ag45Cu45±0.5Hard0.32500–8001.0–3.50.272–0.292780880
Ag50Cu50±0.5Hard0.09500–8001.0–3.52.888–3.066780875
Ag50Cu50±0.5Hard0.10500–8001.0–3.52.728–2.926780875
Ag50Cu50±0.5Hard0.25500–8001.0–3.50.440–0.460780875
Ag72Cu72±0.5Hard0.14500–8001.0–3.51.200–1.270779779
Ag72Cu72±0.5Hard0.25500–8001.0–3.50.385–0.410779779
Ag72Cu72±0.5Hard0.32500–8001.0–3.50.235–0.247779779

For vacuum brazing (carbide tools, copper & copper alloys, brazed tubes), fuses and conductive slip rings.

Key benefits
  • Uniform composition, stable performance, excellent cleanliness
  • Alloy additions customizable to customer requirements
  • Small-batch, diversified customization available
High-Purity Oxygen-Free Copper (TU0 / C10100)
GradeCu content (%)O content (%)Wire dia. (mm)TemperConductivity (%IACS)Typical applications
TU0 (C10100)≥99.99≤0.00050.03–20.00Annealed≥101Vacuum electronics, high-end power, magnet wire, audio equipment internal wiring
Tinned Copper & Copper Alloy Wire
TypeSize (mm)Dia. tolerance (mm)Elongation (%)Conductivity (%IACS)Tensile strength (MPa)
Bare copper wire0.03–0.32±0.003≥10≥98≥220
Tinned round copper wire0.03–0.32±0.003≥10≥93≥220
Cu-Sn alloy tinned wire0.02–0.32±0.002≥6≥75≥350
Cu-Sn alloy tinned wire, hard temper0.02–0.32±0.002≤2≥73≥600

For ultra-fine Teflon electronic wire, coaxial cable, high-end headset wire and carbon brush wire.

Tinned Copper & Copper Alloy Stranded Wire

Multiple tinned copper or copper-alloy wires (typically 7, 19 or more) twisted in one direction; S-twist or Z-twist constructions.

Stranding machineSingle-wire dia. range (mm)Max. strand area (mm²)Lay length range (m)Spool (mm)
130P0.02–0.030.0350.8–1.6φ130
200P0.04–0.260.0350.94–15.97φ200
300P0.05–0.280.452–18.8φ300
500P0.08–0.452.56.3–52.3φ500
Silver-Plated Copper & Copper Alloy Wire
ProductBase materialNominal dia. (mm)Tensile strength (N/mm²)Dia. tolerance (mm)Elongation (%)Conductivity (%IACS)
Silver-plated copper wirePure copper0.016–0.025≥196±0.001≥6≥6
Silver-plated copper wirePure copper0.03–0.05≥196±0.002≥6≥6
Silver-plated copper wirePure copper0.05–0.10≥196±0.003≥10≥10
Silver-plated copper wirePure copper0.10–0.23≥196±0.005≥15≥15
Silver-plated copper wirePure copper0.23–0.50≥196±1% d≥20≥20
Silver-plated copper wirePure copper0.50–2.60≥196±1% d≥25≥25
Silver-plated copper alloy wireCopper alloySame as above≥400Same as aboveSame as aboveSame as above

Coating grades A–E with 1.25%, 2.50%, 4.00%, 6.00% and 10.00% silver content. Uniform, continuous coating with strong adhesion; smooth surface free of silver particles, burrs and mechanical damage. For consumer electronics, medical, communications, aerospace and military cable.

Data from the manufacturer’s datasheets. Confirm critical specifications before ordering. Need something outside these ranges? Ask us.

Need Something Outside These Ranges?

Small-batch customization is available across wire, stranded, and alloy products.

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