S1 to s710 Tool Steels Reference Comprehensive MIG welding advice, techniques & tips on tool steels Weldreality Home Page. TIP TIG Welding Home Page tool steel 1 2550 6crw2si Germany DIN 1.2550 France 55WC20 carbon 0.55 max Si 1.2 Cr 1.8 W 3.0 Mo 0.5 Rockwell 40 (steel) Designation by Standards Mat. No. DIN EN AISI 1.2550 60WCrV7 - S1 Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.60 0.85 0.30 1.05 - - 0.15 1.45 - Description This steel is one of the shock resisting tool steel types with very good thoughness in combination with high hardenability.
Saddle Moving Surface Grinding Machine (SG-2050, SG-2550, SG-3063, SG-30100, SG-4080, SG-40100 series)) Features 1.Double walled column construction,provide high rigid support to the grinding spindle.Closed steel guard is equipped for protecting spindle motor and guideway,which make the column safety and beautiful.