Information about stainless steel and rustproof steel grades

Duplex Steel

Duplex steel can be welded with any standard type of welding. However, one exception is gas welding (oxy-acetylene welding). The workpieces to be welded should not have any signs of stresses or dirt... Read more

Rustproof Steel

Whether Inox, Cromargan, Nirosta or VA steel – all these names stand for non-rusting or rust-proof steel (generally stainless steel in English). The properties of rust-proof steel are poor thermal... Read more

Stainless Steel

Stainless steel is the name given to steel grades which have a particularly low fraction of harmful elements such as phosphorous, sulphur, arsenic or tin. Pyrite or fool's gold is a prime example of... Read more

V2A Steel

The expression V2A has only been in use for 100 years and was the abbreviation of “Versuchsschmelze 2 Austenit" (test smelt 2 austenite). This steel grade contained 18 % chromium and 8 % nickel and... Read more

V4A Steel

The name V4A is an old designation and stands for chrome-nickel steel with molybdenum additive. Searching for rust-resistant steel, the company Krupp developed, among other things, austenitic... Read more