AMS 4918 Grade R56620

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Description

Billets with the diameter from 5.12 up to 13.78 inch are produced as saleable products. There are also billets for production of forgings, tubes (tubular billets), bars and shapes. Billets over 13.78 inches in diameter are supplied based on customer requirements. Billets can be made both from Russian and foreign titanium and heat resistant alloys.

Related Standards

Equivalent Materials

This material data has been provided by VSMPO,Matmatch,RMI Titanium Co.

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

PropertyValueShapeRelated Standards

Density

4.54 g/cm³

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Sheet, Plate, Billet

4.54 g/cm³

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Billet

AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Dimension

PropertyValueShape

Diameter

130 mm

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Billet

350 mm

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Billet

Length

1500 mm

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Sheet, Plate

3000 mm

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Billet

4500 mm

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Billet

5000 mm

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Sheet

6500 mm

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Plate

Width

400 mm

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Sheet

600 mm

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Plate

1524 mm

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Sheet

1600 mm

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Plate

valueMetaData

PropertyValue

Mechanical

PropertyValueRelated StandardsShape

Elastic modulus

114 GPa

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

117.0 GPa

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Sheet, Plate, Billet

Elongation

10.0 %

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Sheet, Plate, Billet

Hardness, Brinell

411.0

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Sheet, Plate, Billet

Hardness, Rockwell C

44.0 [-]

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Sheet, Plate, Billet

Hardness, Vickers

430.0

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Sheet, Plate, Billet

Impact strength, Charpy notched

16.0 - 19.0 kJ/m²

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

Poisson's ratio

0.32 [-]

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Sheet, Plate, Billet

Shear modulus

45.0 GPa

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Sheet, Plate, Billet

Tensile strength

1034.0 MPa

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

1280.0 MPa

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Sheet, Plate, Billet

Yield strength

965.0 MPa

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

1210.0 MPa

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Sheet, Plate, Billet

Thermal

PropertyTemperatureValueRelated StandardsShape

Coefficient of thermal expansion

20 °C

0.000009 1/K

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

20 °C

0.0000093 1/K

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

20 °C

0.0000095 1/K

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

100 °C

0.000009 1/K

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

315 °C

0.0000093 1/K

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

538 °C

0.0000095 1/K

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

Melting point

1627.0 - 1649.0 °C

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Sheet, Plate, Billet

1650.0 °C

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

Specific heat capacity

635 J/(kg·K)

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

Thermal conductivity

5.5 W/(m·K)

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

6.6 W/(m·K)

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Sheet, Plate, Billet

Electrical

PropertyValueRelated StandardsShape

Electrical resistivity

1.57e-06 Ω·m

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

Chemical properties

PropertyValueRelated StandardsShape

Aluminium

5.0 - 6.0 %

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Sheet, Plate, Billet

Carbon

0.05

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Sheet, Plate, Billet

0.08

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

Copper

0.35 - 1.0 %

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

Hydrogen

0.0125

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Billet

0.015

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Sheet, Plate, Billet

Iron

0.35 - 1.0 %

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Sheet, Plate, Billet

Nitrogen

0.04

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Sheet, Plate, Billet

Oxygen

0.2

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Sheet, Plate, Billet

Tin

1.5 - 2.5 %

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Sheet, Plate, Billet

Vanadium

5.0 - 6.0 %

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AMS 4918, AMS 4936, AMS 4971, AMS 4978, AMS 4979, MIL-T 9046, MIL-T 9047

Sheet, Plate, Billet