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Stainless Steel manufacturer, Stainless Steel Products Minto, Customising Stainless Steel
Yes. However, the standard grades of stainless steel are usually "gummy" and will not produce a clean chip when machined or turned. To solve this problem, many companies produce "free-machining" grades of stainless where they add a "chip-breaker" to the matrix. Grade 303 is the free-machining equivalent to grade 304.
Yes. Stainless steel is easily welded, but the welding procedure is different than that used with carbon steel. The "filler" rod or electrode must be stainless steel. (Contact Advance Stainless Steel for more information).
Stainless steel is usually sold in the "annealed" condition. It just means that the material is in the "soft" or annealed condition. The 300 series of stainless steels cannot be hardened by heat treatment (like carbon steels) but can be hardened by cold working. This cold work can be eliminated by a heating treatment (annealing) that will restore the original soft condition.
304 contain 18% chromium and 8% nickel. 316 contain 16% chromium, 10% nickel and 2% molybdenum. The "moly" is added to help resist corrosion to chlorides (like sea water and de-icing salts).
CRES is something used to designate stainless steel. It stands for corrosion-resistant steel. It does not necessarily mean that the steel is in fact stainless steel as there are other materials that are corrosion resistant but not stainless steel.
No. Austenitic stainless steel (the 300 series) does not need to be preheated before welding.
There are several "types" of stainless steel. The 300 series (which contains nickel) is not magnetic. The 400 series (which just contains chromium and no nickel) are magnetic.
All stainless-steel products are 100% recyclable. Many recycling companies will want the various grade types to be kept separate (all 300 series together etc.). The typical re-melt rate for stainless steel is between 60 and 85%.