ABS Grade AH40

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Description

Higher-strength Hull Structural Steel

Related Standards

This material data has been provided by ABS Standard.

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.

Ashby charts

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Properties

General

PropertyValueComment

Carbon equivalent (CET)

0.4 [-]

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max. for t ≤ 50 mm plate thickness

0.42 [-]

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max. for 50 < t ≤ 100 mm plate thickness

Density

7.8 - 7.9 g/cm³

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typical for low carbon steel

Mechanical

PropertyTemperatureValueComment

Charpy impact energy, V-notch

0 °C

39

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for t ≤ 50 mm plate thickness | average

0 °C

46

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for 50 < t ≤ 70 mm plate thickness | average

0 °C

55

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for 70 < t ≤ 100 mm plate thickness | average

Charpy impact energy, V-notch, transverse

0 °C

26

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for t ≤ 50 mm plate thickness | average

0 °C

31

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for 50 < t ≤ 70 mm plate thickness | average

0 °C

37

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for 70 < t ≤ 100 mm plate thickness | average

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Elastic modulus

200.0 - 215.0 GPa

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typical for low carbon steel

Elongation

20.0 %

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min.

Poisson's ratio

0.29 [-]

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typical for low carbon steel

Shear modulus

82.0 GPa

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typical for low carbon steel

Tensile strength

510.0 - 650.0 MPa

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Thermal

PropertyValueComment

Coefficient of thermal expansion

1.3199999999999999e-05 - 1.38e-05 1/K

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typical for low carbon steel

Max service temperature

500.0 °C

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typical for carbon steel

Melting point

1480.0 - 1526.0 °C

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typical for low carbon steel

Specific heat capacity

465.0 J/(kg·K)

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typical for low carbon steel

Thermal conductivity

25.0 - 93.0 W/(m·K)

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typical for low carbon steel

Electrical

PropertyValueComment

Electrical resistivity

1.43e-07 - 1.7400000000000002e-07 Ω·m

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typical for carbon steel

Chemical properties

PropertyValueComment

Aluminium

0.015 %

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min.

Calcium

0.005

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max.

Carbon

0.18

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max.

Chromium

0.2

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max.

Copper

0.35000000000000003 %

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max.

Manganese

0.9 - 1.6 %

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Molybdenum

0.08

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max.

Nickel

0.4

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max.

Niobium

0.02 - 0.05 %

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Phosphorus

0.035

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max.

Silicon

0.1 - 0.5 %

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Sulfur

0.035

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max.

Titanium

0.02

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max.

Vanadium

0.05 - 0.1 %

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