UNS C19400 boway

Alternative and trade names
boway 19400
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Description

High strength and good electrical conductivity with excellent softening resistance performance and good corrosion resistance. Standard material for semiconductor applications, stamping as well as etching quality available.

Equivalent Materials

This material data has been provided by Ningbo Boway Alloy Material.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyValue

Density

8.8 g/cm³

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Dimension

PropertyValue

Dimensions

Strip thickness 0.08 - 3.0 mm, other gauges on request. Strip width from 8.5 mm. Hot-dip tinned and electroplated strip available.

Mechanical

PropertyValueTesting StandardComment

Bendability 180°, bw

1 [-]

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ASTM B820

R365(1/2H) | bending thickness: <0.5 mm & bending width: 10 mm

1.5 [-]

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ASTM B820

R415(H) | bending thickness: <0.5 mm & bending width: 10 mm

1.5 [-]

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ASTM B820

R460(EH) | bending thickness: <0.5 mm & bending width: 10 mm

2 [-]

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ASTM B820

R480(SH) | bending thickness: <0.5 mm & bending width: 10 mm

Bendability 180°, gw

1 [-]

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ASTM B820

R365(1/2H) | bending thickness: <0.5 mm & bending width: 10 mm

1.5 [-]

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ASTM B820

R415(H) | bending thickness: <0.5 mm & bending width: 10 mm

1.5 [-]

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ASTM B820

R460(EH) | bending thickness: <0.5 mm & bending width: 10 mm

2 [-]

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ASTM B820

R480(SH) | bending thickness: <0.5 mm & bending width: 10 mm

Bendability 90°, bw

0 [-]

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EN ISO 7438

R365(1/2H) | bending thickness: <0.5 mm & bending width: 10 mm

0.5 [-]

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EN ISO 7438

R415(H) | bending thickness: <0.5 mm & bending width: 10 mm

1 [-]

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EN ISO 7438

R460(EH) | bending thickness: <0.5 mm & bending width: 10 mm

1.2 [-]

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EN ISO 7438

R480(SH) | bending thickness: <0.5 mm & bending width: 10 mm

2 [-]

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EN ISO 7438

R530(XSH) | bending thickness: <0.5 mm & bending width: 10 mm

Bendability 90°, gw

0 [-]

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EN ISO 7438

R365(1/2H) | bending thickness: <0.5 mm & bending width: 10 mm

0.5 [-]

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EN ISO 7438

R415(H) | bending thickness: <0.5 mm & bending width: 10 mm

0.5 [-]

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EN ISO 7438

R460(EH) | bending thickness: <0.5 mm & bending width: 10 mm

0.8 [-]

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EN ISO 7438

R480(SH) | bending thickness: <0.5 mm & bending width: 10 mm

1.5 [-]

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EN ISO 7438

R530(XSH) | bending thickness: <0.5 mm & bending width: 10 mm

Elastic modulus

121 GPa

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Elongation

1 %

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min. | R530(XSH), A50

1 %

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min. | R550(SSH), A50

2 %

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min. | R460(EH), A50

2 %

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min. | R480(SH), A50

3 %

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min. | R415(H), A50

6 %

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min. | R365(1/2H), A50

Hardness, Vickers

110 - 140 [-]

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R365(1/2H) | For reference only

125 - 145 [-]

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R415(H) | For reference only

130 - 150 [-]

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R460(EH) | For reference only

135 - 155 [-]

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R480(SH) | For reference only

150 [-]

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min. | R530(XSH) | For reference only

155 [-]

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min. | R550(SSH) | For reference only

Poisson's ratio

0.33 [-]

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Tensile strength

365 - 435 MPa

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R365(1/2H)

415 - 485 MPa

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R415(H)

460 - 505 MPa

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R460(EH)

485 - 525 MPa

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R480(SH)

Yield strength

250 MPa

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min. | R365(1/2H)

365 MPa

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min. | R415(H)

440 MPa

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min. | R460(EH)

460 MPa

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min. | R480(SH)

500 MPa

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min. | R530(XSH)

520 MPa

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min. | R550(SSH)

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

1.76e-05 1/K

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average value between 20-300°C

Specific heat capacity

385 J/(kg·K)

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Thermal conductivity

20 °C

280 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20 °C

0.066 S/m

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Specific Electrical conductivity

20 °C

38 % IACS

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Chemical properties

PropertyValue

Copper

Balance

Iron

2.3 %

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Phosphorus

0.03 %

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Technological properties

Property
Application areas

Application target:

Signal ConnectorSuitable
Power ConnectorSuitable
Miniaturized ConnectorNot recommended
Switch / RelaySuitable
SemiconductorVery suitable


Ideal for semiconductor.

Chemical composition

The chemical composition is the nominal composition of the alloy

Coating

Electroplating: Good


Hot dip tinning: Very good

Cold Forming

Good

Machining

Not suitable

Packaging size

Standard coils with outside diameters up to 1300 mm. Traverse-wound coils with drum weights up to 500 kg. Multiple-coil up to 3 tons.

Testings

Fatigue strength:

The fatigue strength is defined as the maximum bending stress amplitude which a material withstands for 10.000.000 load cycles under symmetrical alternate load without breaking. It depends on the temper selected and can be estimated typically by 1/3 of tensile strength. For solid solution fine grain materials fatigue strength might increase up to 0,5 * of tensile strength.


Bending test:

90° bend test According to EN ISO 7438, 180° bend test acc. to ASTM B820, shown values might show orange- peel, however no crack.

Welding

Laser welding: Good


Resistance welding: Good