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Standard ASTM A194/194M-2016 Carbon steel, Alloy steel, and Stainless steel nuts for bolts for high pressure or high temperature service, or both
Standard ASTM A194/A194M-2020 Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
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


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
ASTM A194/194M-2016
Carbon steel, Alloy steel, and Stainless steel nuts for bolts for high pressure or high temperature service, or both
A194 Grade 8R
(S20910)
(XM19)
 
Min
Max
ASTM A194/194M-2016
Carbon steel, Alloy steel, and Stainless steel nuts for bolts for high pressure or high temperature service, or both
A194 Grade 8RA
(S20910)
(XM19)
 
Min
Max
ASTM A194/A194M-2020
Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
A194 Grade 8R
(S20910)
(XM19)
 
Min
Max
ASTM A194/A194M-2020
Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
A194 Grade 8RA
(S20910)
(XM19)
 
Min
Max
ASME SA-194/SA-194M-2019
Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
SA194 Grade 8R
(S20910)
(XM19)
 
Min
Max
ASME SA-194/SA-194M-2019
Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
SA194 Grade 8RA
(S20910)
(XM19)
 
Min
Max
For Reference Only