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Material Supplied by

Sverdrup Steel AS

AISI 420 MOD Hardened and tempered Bar

Alternative and trade names
AISI 420 Mod, UNS S42000, EN 1.4021
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Description

AISI 420 Mod is a martensitic 13 Cr modified stainless steel with increased strength and hardness compared to standard 13Cr versions. It is used in the quenched and tempered condition.

Primary standard name

Properties

Dimension

Diameter d

50.8 - 304.8 mm

Mechanical

Elongation A

20 % at 20 °C

Hardness, Rockwell C HRC

22 [-] at 20 °C

Tensile strength Rm

689 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

551 - 655 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

Cr

12.5 - 14 %

Ni

0.3 %

Mo

0.3 %

Si

0.25 - 1 %

Mn

0.25 - 1 %

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Technological properties

Application areas

AISI 420 Mod is a widely used in the manufacture of oil industry completion equipment such as packers, valves and pressure containing parts. Is suitable for constructional and fastener applications where moderate corrosion resistance is required.

Processing history

Hardened and tempered

This material data has been provided by Sverdrup Steel.

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.