Standard_Parts_Catalogue

Page 2168 | Material Characteristics The characteristics described should be treated as guidelines only. No guarantee is made. The exact conditions of use have to be taken into account individually. AISI Standard 316L (bar steel) 316 Precison casting 316 Precison casting 630 German Material No. 1.4404 1.4405 1.4408 1.4542 DIN / EN-Number EN 10088-3 EN 10213-4 EN 10213-4 EN 10088-3 Symbol X 2 CrNiMo 17-12-2 GX 4CrNiMo16-5-1 GX 5 CrNiMo 19-11-2 X 5 CrNiCuNb 16-4 Alloying components % C ≤ 0,03 Cr 16,5 … 18,5 Ni 10,5 … 13,0 Mo 2,0 ... 2,5 C ≤ 0,06 Cr 15,0 … 17,0 Ni 4,0 … 6,0 C ≤ 0,07 Cr 18,0 … 20,0 Ni 9,0 … 12,0 Mo 2,0 ... 2,5 C ≤ 0,07 Cr 15,0 … 17,0 Ni 3,0 … 5,0 Cu 3,0 ... 5,0 Nb min. 5xC ... 0,45 Minimum tensile strength Rm in N/mm 2 500 ... 700 760 440 ... 650 800 ... 1200 Yield strength Rp 0,2 in N/mm 2 ≥ 200 ≥ 540 ≥ 185 500 ... 1000 Machinability medium poor ... medium medium poor ... medium Forgeability good – - good Weldability excellent good good good Special characteristics antimagnetic, austenitic structure suitable for low temperatures, can be used up to 700 °C magnetic, martensitic structure antimagnetic, austenitic structure magnetic, martensitic structure suitable for low temperatures, can be used up to 450 °C Corrosion resistance very good significantly higher than AISI 304 in natural environmental mediums and moderate chlorine and salt concentra- tions, however not resistant to ocean water good resistant to corrosion, Material is largely comparable with AISI 304 very good acid-resistant good Corrosion resistance comparable with AISI 304, insensitive to inter- granular corrosion Main areas of application Vehicle construction Chemical industry Food industry Medical / Pharmaceutical industry Building industry Pumps, Valves, Parts for hydropower engineering Food industry Chemical industry Fittings Pumps Machine construction Shipbuilding Food industry Construction engi- neering Automotive industry Chemical industry Plant construction Material Characteristics of Stainless Steel continued