UNS C52400 boway

Alternative and trade names
boway 52400
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Description

Extremely high strength, fatigue resistance and low young’s modulus combined with good formability. Very good corrosion resistance as well as solderability and not sensitive against stress corrosion cracking.

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

8.78 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. Electroplated and Hot-dip tinned strip available.

Mechanical

PropertyValueTesting StandardComment

Bendability 180°, bw

1.5 [-]

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ASTM B820

R650(H) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

2.5 [-]

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ASTM B820

R750(EH) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

4 [-]

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ASTM B820

R850(SH) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

Bendability 180°, gw

1.5 [-]

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ASTM B820

R650(H) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

2 [-]

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ASTM B820

R750(EH) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

3 [-]

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ASTM B820

R850(SH) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

Bendability 90°, bw

1 [-]

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EN ISO 7438

R650(H) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

2 [-]

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EN ISO 7438

R750(EH) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

2.5 [-]

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EN ISO 7438

R850(SH) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

Bendability 90°, gw

1 [-]

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EN ISO 7438

R650(H) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

1.5 [-]

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EN ISO 7438

R750(EH) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

2 [-]

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EN ISO 7438

R850(SH) | bending thickness: 0.06-0.5 mm & bending width: 10 mm

Elastic modulus

110 GPa

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Elongation

1 %

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min. | R950(ESH), A50

5 %

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min. | R850(SH), A50

9 %

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min. | R750(EH), A50

11 %

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min. | R650(H), A50

Hardness, Vickers

200 - 240 [-]

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R650(H) | For reference only

230 - 270 [-]

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R750(EH) | For reference only

250 - 300 [-]

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R850(SH) | For reference only

270 [-]

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min. | R950(ESH) | For reference only

290 [-]

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min. | R1000(XSH) | For reference only

Poisson's ratio

0.33 [-]

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Tensile strength

650 - 750 MPa

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R650(H)

750 - 850 MPa

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R750(EH)

850 - 950 MPa

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R850(SH)

Yield strength

550 MPa

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min. | R650(H)

650 MPa

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min. | R750(EH)

750 MPa

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min. | R850(SH)

870 MPa

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min. | R950(ESH)

930 MPa

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min. | R1000(XSH)

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

1.84e-05 1/K

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average value between 20-300°C

Specific heat capacity

375 J/(kg·K)

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Thermal conductivity

20 °C

50 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20 °C

0.006 S/m

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Specific Electrical conductivity

20 °C

10 % IACS

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Chemical properties

PropertyValue

Copper

Balance

Tin

10 %

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Technological properties

Property
Application areas

Application target:

Signal ConnectorVery suitable
Power ConnectorNot suitable
Miniaturized ConnectorVery suitable
Switch / RelaySuitable
SemiconductorNot recommended


Ideal for BTB connector, audio jack and other miniaturized connectors

Chemical composition

The chemical composition is the nominal composition of the alloy

Coating

Electroplating: Very good


Hot dip tinning: Very good

Cold Forming

Very 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

Good