Grade A194 Grade 8CLNA
USA UNS S34751
Other Names
Corresponding Standard ASTM A194/194M-2016
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 8CLNA Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N Cb More
Minimum Value 0.005 - - - - 17 9 0.06 0.2 Cb≥15C
Maximum Value 0.02 1 2 0.045 0.03 19 13 0.1 0.5
• The intentional addition of Bi, Se, Te, and Pb is not permitted except for Grades 6F, 8F, and 8FA, in which Se is specified and required.
A194 Grade 8CLNA Mechanical Properties
product Hardness
HBW
Finished Nuts 126~192HBW
60~90HRB

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