Grade A194 Grade 8S
USA UNS S21800
Corresponding Standard ASTM A194/A194M-2020
Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
A194 Grade 8S Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value - 3.5 7 - - 16 8 0.08
Maximum Value 0.1 4.5 9 0.06 0.03 18 9 0.18
A194 Grade 8S Mechanical Properties
Hardness
HBW
183~271

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!