Stainless Steel 440B

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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.

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Properties

General

Property	Value	Temperature	Comment
Density	7.8 g/cm³ Show Supplier Material materials with Density of 7.8 g/cm³ at 23.0 °C	23.0 °C	typical for steels

Mechanical

Property	Value	Temperature	Comment
Elastic modulus	200 - 210 GPa Show Supplier Material materials with Elastic modulus of 200 - 210 GPa at 23.0 °C	23.0 °C	typical for steels
Elongation A5	18 % Show Supplier Material materials with Elongation A5 of 18 % at 23.0 °C	23.0 °C
Hardness, Brinell	265 [-] Show Supplier Material materials with Hardness, Brinell of 265 [-] at 23.0 °C	23.0 °C
Tensile strength	730 - 750 MPa Show Supplier Material materials with Tensile strength of 730 - 750 MPa at 23.0 °C	23.0 °C
Yield strength Rp0.2	430 MPa Show Supplier Material materials with Yield strength Rp0.2 of 430 MPa at 23.0 °C	23.0 °C

Chemical properties

Property
Carbon	0.75 - 1 %
Chromium	16 - 19 %
Iron	76.6 - 83.3 %
Manganese	1 %	max.
Molybdenum	1.3 %
Phosphorus	0.04 %
Silicon	1 %	max.
Sulfur	0.02 %
Vanadium	0.07 - 0.12 %

Stainless Steel 440B

Description

Equivalent Materials

Ashby charts

Materials by this supplier

Properties