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Material
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