ASTM A194 Grade 8A Hex Nuts Properties

ASTM A194 Grade 8A Hex Nuts Chemical Requirements

Grade Description
and
UNS Designation
C Mn P SE Si Cr Ni Mo Ti CbH N Cu Se V Al
ASTM A194/A194M Grade 8A (304) S30400 0.08 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 . . . . . . . . . . . . . . . . . . . . . . . .

ASTM A194 Grade 8A Hex Nuts Mechanical Requirements

ASTM A194/A194M Hardness RequirementsA

Grade and Type Completed Nuts Sample Nut after Treatment
Brinell Hardness Rockwell Hardness Brinell Hardness, min Rockwell Hardness B Scale, min
C Scale B Scale
ASTM A194/A194M Grade 8A 126 to 192 ... 60 to 90 ... ...

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