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ASTM A194/A194M-2023
Standard Specification for Carbon Steel, Alloy Steel, and Stainless Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
Material Designation Chemical Composition (%)
A194 Grade 1
Min
Max
A194 Grade 16
Min
Max
A194 Grade 2
Min
Max
A194 Grade 2H
Min
Max
A194 Grade 2HM
Min
Max
A194 Grade 3 (S50100)
Min
Max
A194 Grade 6 (S41000)
Min
Max
A194 Grade 6F (S41623)
Min
Max
A194 Grade 6F (S41600)
Min
Max
A194 Grade 7
Min
Max
A194 Grade 7M
Min
Max
A194 Grade 43
Min
Max
A194 Grade 8 (S30400)
Min
Max
A194 Grade 8A (S30400) (Type 304)
Min
Max
A194 Grade 8C (S34700)
Min
Max
A194 Grade 8CA (S34700)
Min
Max
A194 Grade 8CLN (S34751)
Min
Max
A194 Grade 8CLNA (S34751)
Min
Max
A194 Grade 8F (S30300)
Min
Max
A194 Grade 8F (S30323)
Min
Max
A194 Grade 8FA (S30300)
Min
Max
A194 Grade 8FA (S30323)
Min
Max
A194 Grade 8LN (S30453)
Min
Max
A194 Grade 8LNA (S30453)
Min
Max
A194 Grade 8M (S31600)
Min
Max
A194 Grade 8MA (S31600)
Min
Max
A194 Grade 8ML4CuN (S31730)
Min
Max
A194 Grade 8MLCuN (S31254)
Min
Max
A194 Grade 8MLCuNA (S31254)
Min
Max
A194 Grade 8MLN (S31653)
Min
Max
A194 Grade 8MLNA (S31653)
Min
Max
A194 Grade 8MN (S31651)
Min
Max
A194 Grade 8MNA (S31651)
Min
Max
A194 Grade 8N (S30451)
Min
Max
A194 Grade 8NA (S30451)
Min
Max
A194 Grade 8P (S30500)
Min
Max
A194 Grade 8PA (S30500)
Min
Max
A194 Grade 8R (S20910)
Min
Max
A194 Grade 8RA (S20910)
Min
Max
A194 Grade 8S (S21800) (Nitronic 60)
Min
Max
A194 Grade 8SA (S21800) (Nitronic 60)
Min
Max
A194 Grade 8T (S32100)
Min
Max
A194 Grade 9C (N08367)
Min
Max
A194 Grade 9CA (N08367)
Min
Max
F194 Grade 8TA (S32100)
Min
Max
For Reference Only