UNS C51000 boway

Alternative and trade names
boway 51000
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Description

Excellent formability and high strength combined with low sensitivity against stress corrosion cracking. Very good corrosion resistance as well as excellent solderability.

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

8.85 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 HDT strip available.

Mechanical

PropertyValueTesting StandardComment

Bendability 180°, bw

1 [-]

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ASTM B820

R470(3/4H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

1.5 [-]

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ASTM B820

R400(1/2H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

2 [-]

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ASTM B820

R525(H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

3 [-]

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ASTM B820

R605(EH) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

4 [-]

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ASTM B820

R655(SH) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

Bendability 180°, gw

0 [-]

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ASTM B820

R400(1/2H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

0.5 [-]

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ASTM B820

R470(3/4H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

1 [-]

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ASTM B820

R525(H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

1.5 [-]

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ASTM B820

R605(EH) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

2 [-]

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ASTM B820

R655(SH) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

Bendability 90°, bw

0.5 [-]

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EN ISO 7438

R400(1/2H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

1 [-]

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EN ISO 7438

R470(3/4H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

1.5 [-]

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EN ISO 7438

R525(H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

2 [-]

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EN ISO 7438

R605(EH) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

2.5 [-]

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EN ISO 7438

R655(SH) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

Bendability 90°, gw

0 [-]

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EN ISO 7438

R400(1/2H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

0 [-]

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EN ISO 7438

R470(3/4H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

0 [-]

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EN ISO 7438

R525(H) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

1 [-]

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EN ISO 7438

R605(EH) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

1 [-]

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EN ISO 7438

R655(SH) | bending thickness: ≤ 0.5 mm & bending width: 10 mm

Elastic modulus

120 GPa

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Elongation

1 %

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min. | R655(SH), A50

1 %

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min. | R690(ESH), A50

2 %

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min. | R605(EH), A50

9 %

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min. | R525(H), A50

10 %

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min. | R400(1/2H), A50

10 %

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min. | R470(3/4H), A50

Hardness, Vickers

125 - 170 [-]

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R400(1/2H) | For reference only

145 - 185 [-]

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R470(3/4H) | For reference only

170 - 210 [-]

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R525(H) | For reference only

180 - 220 [-]

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R605(EH) | For reference only

210 - 250 [-]

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R655(SH) | For reference only

220 - 270 [-]

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R690(ESH) | For reference only

Poisson's ratio

0.33 [-]

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Tensile strength

400 - 505 MPa

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R400(1/2H)

470 - 545 MPa

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R470(3/4H)

525 - 625 MPa

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R525(H)

605 - 710 MPa

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R605(EH)

655 - 760 MPa

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R655(SH)

690 - 785 MPa

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R690(ESH)

Yield strength

325 MPa

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min. | R400(1/2H)

420 MPa

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min. | R470(3/4H)

510 MPa

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min. | R525(H)

585 MPa

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min. | R605(EH)

635 MPa

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min. | R655(SH)

675 MPa

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min. | R690(ESH)

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

1.78e-05 1/K

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average value between 20-300°C

Specific heat capacity

380 J/(kg·K)

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Thermal conductivity

20 °C

96 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

20 °C

0.018 S/m

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Specific Electrical conductivity

20 °C

10 % IACS

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Chemical properties

PropertyValue

Copper

Balance

Tin

5 %

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Technological properties

Property
Application areas

Application target:

Signal ConnectorSuitable
Power ConnectorNot Suitable
Miniaturized ConnectorSuitable
Switch / RelaySuitable
SemiconductorNot recommended

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