Stainless Steel 440B

Want to keep this datasheet? Save it now in your required format

Description

Martensitic stainless steel, which is more hardenable than type 420. Corrosion resistance is good, provided it is hardened and tempered. Machining is difficult.

Equivalent Materials

This material data has been provided by Salomons Metalen.

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

See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

7.8 g/cm³

Show Supplier Material materials with Density of 7.8 g/cm³

typical for steels

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

200 - 210 GPa

Show Supplier Material materials with Elastic modulus of 200 - 210 GPa

typical for steels

Elongation A5

23.0 °C

18 %

Show Supplier Material materials with Elongation A5 of 18 %

Hardness, Brinell

23.0 °C

265 [-]

Show Supplier Material materials with Hardness, Brinell of 265 [-]

Tensile strength

23.0 °C

730 - 750 MPa

Show Supplier Material materials with Tensile strength of 730 - 750 MPa

Yield strength Rp0.2

23.0 °C

430 MPa

Show Supplier Material materials with Yield strength Rp0.2 of 430 MPa

Chemical properties

PropertyValueComment

Carbon

0.75 - 1 %

Show Supplier Material materials with Carbon of 0.75 - 1 %

Chromium

16 - 19 %

Show Supplier Material materials with Chromium of 16 - 19 %

Iron

76.6 - 83.3 %

Show Supplier Material materials with Iron of 76.6 - 83.3 %

Manganese

1 %

Show Supplier Material materials with Manganese of 1 %

max.

Molybdenum

1.3 %

Show Supplier Material materials with Molybdenum of 1.3 %

Phosphorus

0.04 %

Show Supplier Material materials with Phosphorus of 0.04 %

Silicon

1 %

Show Supplier Material materials with Silicon of 1 %

max.

Sulfur

0.02 %

Show Supplier Material materials with Sulfur of 0.02 %

Vanadium

0.07 - 0.12 %

Show Supplier Material materials with Vanadium of 0.07 - 0.12 %