AISI 420 MOD Hardened and tempered Tube

Alternative and trade names
AISI 420 MOD, UNS S42000
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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.

Related Standards

Equivalent Materials

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.

Ashby charts

Properties

Dimension

PropertyValue

Diameter

152.4 - 254 mm

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Mechanical

PropertyTemperatureValue

Charpy impact energy, V-notch

-10.0 °C

20 J

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Elongation

23.0 °C

20 %

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Hardness, Rockwell C

23.0 °C

22 [-]

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Tensile strength

23.0 °C

689 MPa

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Yield strength Rp0.2

23.0 °C

550 - 655 MPa

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Chemical properties

PropertyValue

Carbon

0.18 - 0.22 %

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Chromium

12.5 - 14 %

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Iron

Balance

Manganese

0.25 - 1 %

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Molybdenum

0.3 %

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Nickel

0.3 %

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Phosphorus

0.02 %

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Silicon

0.25 - 1 %

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Sulfur

5E-3 %

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Technological properties

Property
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.

Heat Treatment

Hardened and tempered

Welding

Moderate