Summary of Six Main Grades of Stainless Steel

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Ultimate tensile strength
528 – 639 MPa480 – 620 MPa480 – 620 MPa741 – 1400 MPa896 – 990 MPa890 – 1490 MPa
Elongation at break35 – 55 %45 – 60 %30 – 50 %9 – 20 %6 – 6.97 %10 – 16 %
Modulus of elasticity192 – 200 GPa191 – 205 GPa190 – 205 GPa200 GPa197 – 207 GPa190 – 196 GPa
Hardness81 – 96 HRB75-83 HRB75 – 83 HRB20 – 40 HRC250 – 260 HV40 – 46 HRC
AdvantagesGreat toughness, good machinabilityExcellent weldability, good corrosion resistanceHigh chemical and corrosion resistance The highest machinabilityExcellent corrosion resistance and oxidationGreat transverse properties, strength, and toughness. 
ApplicationsShafts and spindles, pump and valve parts, nuts and bolts, etc.Architectural panelling, food handling and precessing equipment, etc.Chemical and petrochemical industry, wastewater treatment, etc.Pump & motor shafts, washing machine components, etc.Oil and petroleum refining equipment, base plates, etc.Fittings & shafts in aircraft components, equipment for nuclear reactors, etc.