420 - Materials - Technical

420 Stainless Steel

Similar Grades
Euronorm No. 1.4021
Euronorm Name X20Cr13
BS 420S37
En 56C SS 2303

HES Products made from this material
Roll Pins (Spring Pins)

A martensitic, magnetic grade alloy used for it’s strength, durability and magnetic properties. It can be hardened. Popular in dental and surgical instruments, cutlery, pump shafts, plastic molds and dies and various hand tools.

It has similar machinability to high carbon tool steel. It has tough, stringy chip build-up. 420 will withstand only minor cold work. Radical forming operations will result in cracking.

The main component of the steel is Fe (Iron) with the addition of the elements shown in the following chart

Max. % Chemical Composition
C Si Mn P S Ni Cr Mo
0.15 to 0.40 1.0 1.0 0.04 0.031 - 12.0 to 14.0 -

You can find 420 Stainless items in the Hobby and Engineering Supplies 420 Stainless Online Catalogue pages.

For a huge range of bearings online please visit the Bearing Shop Online Website.

The Small Parts and Bearings has a much larger range of engineering supplies.

For the best range of miniature and small bearings please try the Miniature Bearings Australia website. Miniature Bearings Australia also list a large variety of miniature engineering products.

Other pages related to Technical - Materials

Click Page Banner Below


Other Technical Pages

Click Page Banner Below


Main Pages

Click Page Banner Below


Freight Rates
Terms and Conditions
Privacy Policy

Hobby and Engineering Supplies offers 3244 products in 327 categories including spare parts for remote control cars, assortment kits, kites, styrene, depron, ceramic and ceramic hybrid bearings, bearings, tools, belts and adhesives - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Hobby and Engineering Supplies is part of MBA Group offering a select range from the MBA Group catalogue.

Hobby and Engineering Supplies products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Hobby and Engineering Supplies 1997. All rights reserved.