Tensile Strength Comparison Chart

Tensile Strength is the maximum tension applied, as loading, that a fastener can support prior to, or coincidental with, its fracture.

Imperial lbf/in2 Mpa Metric
    1200 Class 12.9 (AS1110 High Tensile Steel)
    1100  
SAE Grade 8 (AS 2465 High Tensile Steel) 150,000 1034 Class 10.9 (AS 1110 High Tensile Steel)
  1000 Stainless Steel Class 100 (e.g Bumax 109)
    900  
SAE Grade 5 (AS 2465 High Tensile) 120,000   827 Class 8.8 (AS 1110 High Tensile Steel)
Stainless Steel Class 80 (e.g Bumax 88) 116,000   800
Stainless Steel Bumax88 (e.g A4-80),
Duplex 2507 (UNS S32750) Yield 550 MPA
Stainless Steel (304 & 316) 1/4 to 5/8 dia 100,000   700 Stainless Steel Class 70 (e.g A2-70, A4-70)
      620 Duplex 2205 (UNS S31803) Yield 448MPA
Stainless Steel (304 & 316) 3/4 to 1-1/2 dia   85,000   600  
    550  
    520 Class 5.8 (AS 1110)
    500 Stainless Steel Class 50 (e.g No Markings)
    450  
BSW Mild Steel (AS 2451)   62,000   427  
  58,015   400 Class 4.6 (AS1110), Mild Steel (AS1390)

1000 PSI (lbf/in2) = 6.8948 Mpa 1 Mpa = 145.038 PSI (lbf/in2)