303 is a free-cutting stainless steel that contains sulfur and selenium, respectively, and is used in applications where cutting is easy and the surface finish is high. 303 stainless steel improves cutting performance and high temperature adhesion properties. Ideal for automatic lathes.

　　Applications: Petroleum, electronics, chemicals, pharmaceuticals, textiles, food, machinery, construction, nuclear power, aerospace, military and other industries.

　　Chemical composition

• 　　Carbon C: ≤ 0.15
• 　　Silicon Si: ≤1.00
• 　　Manganese Mn: ≤ 2.00
• 　　Phosphorus P : ≤ 0.20
• 　　Sulfur S: ≥0.15
• 　　Chrome Cr: 17.00 to 19.00
• 　　Nickel Ni : 8.00-10.00

　　Mechanical properties

• 　　Tensile strength σb (MPa): ≥520
• 　　Conditional yield strength σ0.2 (MPa): ≥205
• 　　Elongation δ5 (%): ≥40
• 　　Reduction in area ψ (%): ≥50
• 　　Hardness: ≤187HB; ≤90HRB; ≤200HV

Related Products

• 
  Factory Introduction
• 
  Premier Piping Supplier
• 
  Bulk Stainless Steel Sheets

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