Grade SA194 Grade 8F
S30323
Other Names
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 Austenitic Stainless Steel
Properties Corrosion Resistance Machinability
SA194 Grade 8F Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Se
Minimum Value - - - - - 17 8 0.15
Maximum Value 0.15 1 2 0.2 0.06 19 10 -
• 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 8F Mechanical Properties
Hardness
HBW
HB:≥126~300
HRC:≤32
HRB:≥60
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS GOST BS EN/BS
Y12Cr18Ni9Se S30327 303Se SUS 303Se STS 303Se 303Se S30323 12Х18Н10Е 303S41
2 Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization European Standard
GB ISC JIS UNS ISO Numerical Grade Numerical Grade
Y12Cr18Ni9Se S30327 SUS303Se S30323 X12CrNiSe18-9 4625-303-23-X 1.4625

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