Stainless Steel Chemical Composition

Stainless Steel Grade

Element %

C

Mn

P

S

Si

Cr

Ni

Mo

304 (UNS S30400) 0.08 max 2.0 max 0.045 max 0.03 max 1.0 max 18-20 8-10.5  
316 (UNS S31600) 0.08 Max 2.0 max 0.045 max 0.03 max 1.0 max 16-18 10-14 2-3
Bumax 88 & Bumax 109 0.03 Max         16.5-18.5 10.5-14 2.5-3

The above information is provided for guidance only and should not be used when working to stringent specifications Anzor Fasteners Ltd