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Chemical composition for Stainless steel bolts & nuts

 
 
Chemical composition
* Grade                   SS 304, SS 316, SS 316 L, 316S31
 
Grade AISI Chemical Composition (% maximum unless stated)
C
Si
Mn
P
S
Cr
Mo
Ni
Cu
A1 SS 202 0.12 1.0 6.5 0.20 0.15-0.35 16,0 - 19,0 0.7 5,0 - 10,0 1.75-2.25
A2 SS 304 0.08 1.0 2.0 0.05 0.03 15,0 - 20,0 0.0 8,0 - 19,0 4.0
A3 SS 321 0.08 1.0 2.0 0.05 0.03 17,0 - 19,0 0.0 9,0 - 12,0 1.0
A4 SS 316 0.08 1.0 2.0 0.05 0.03 16,0 - 18,5 2,0 - 3,0 10,0 - 15,0 4.0
C1 SS 410 0.09-0.15 1.0 1.0 0.05 0.03 11,5 - 14,0 - 1 -
C3 SS 431 0.17-0.25 1.0 1.0 0.04 0.03 16,0 - 18,0 - 1,5 - 2,5 -
C4 SS 416 0.08-0.15 1.0 1.5 0.06 0.15-0.35 12,0 - 14,0 0.6 1 -
F1 SS 430 0.12 1.0 1.0 0.04 0.03 15,0 - 18,0 0.0 1 -
 
 
 
   
   
 
 
 
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