Grade SA194 Grade 16
Corresponding Standard ASME SA-194/SA-194M-2019
Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
Classification Alloy Steel
SA194 Grade 16 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo V Al
Minimum Value 0.36 0.15 0.45 - - 0.8 0.5 0.25 -
Maximum Value 0.47 0.35 0.7 0.035 0.04 1.15 0.65 0.35 0.015
• 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.
• Total aluminum, soluble and insoluble.
• Because of the degree to which sulfur segregates, product analysis for sulfur over 0.060 % max is not technologically appropriate.
SA194 Grade 16 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Finished Nuts Heat Treatment HB: 248~327
HRC: 24~35
Sample nut Heat treatment* HB: ≥201
HRB:≥94

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