420 - Materials - Technical

420 Stainless Steel

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

SPB 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 Small Parts and Bearings 420 Stainless Online Catalogue pages.

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

Hobby and Engineering Supplies lists a smaller range of products and only the most popular items in each range. They also list many additional hobby specific categories.

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

Small Parts and Bearings offers 126996 products in 3074 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals 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.

Small Parts and Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts and Bearings 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 Small Parts and Bearings 1997. All rights reserved.