HobbyParts 304 - Materials - Technical Information

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HobbyParts 304 - Materials - Technical Information

304 Stainless Steel

Similar Grades
A2
18-8
JIS SUS304
BS 304S16
Euronorm No. 1.4301
Euronorm Name XDCrNi189

MBA Products made from this material
Collars, Couplings, Dowel Pins, Gears, Screws, Shafting, Split Pins, Shoulder Screws, Springs

304 stainless steel is easy to machine and very widely used. Due to the wide usage, 304 stainless steel is usually cheaper than other grades when purchased in the unmachined form. It should always be remembered though, that finished machined parts have their own input costs. It can't be assumed that two similar sized shafts will be cheaper in 304 stainless than in 316 stainless simply because the base material cost is cheaper.

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	Cr	Mo	Ni
0.08	1.0	2.0	0.045	0.03	18.0 to 20.0	-	8.0 to 10.5

For slightly less corrosion resistance but better machinability see 303 Grade

For higher resistance to pitting and crevice corrosion in chloride environments but lower machinability see 316 Grade

For better machinability but lower corrosion resistance, or if hardening by heat treatment is required see 416 Grade

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Tables and information on this web site should be read as a general guide only. The relevant standards should be consulted to ensure accuracy

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Site Summary:

H.E. Supplies (Hobby Engineering Supplies) offers thousands of products including remote controlled cars, planes, boats, and helicopters. We stock spare parts for remote controlled models. Our range includes the popular Solarbotics solar model kits and spares. We also distribute the full range of miniature engineering products from Miniature Bearings Australia. This range includes small bearings, timing pulleys, timing belts, seals, o-rings, gears and more. Also available from our store in Mansfield Queensland are a full range of lubricants, adhesives, kites, balsa wood and plastic rod and sheet materials. See our Online Catalogue for more information. Our main business is handled from our sales counter and showroom at 186 Wecker Road Mansfield, Queensland, Australia, but we also sell by phone, fax, online and mail order. We offer all of our hobby parts through our online store and some of the more popular MBA items. If you would like to purchase other MBA items online, Small Parts and Bearings offer the full range in their online catalogue.

Using the links at the top of this page you will find extensive information including catalogues (Products and Store link), technical data, and other product specific information.

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