10 astm a563 mechanical properties and head marking
Post on 07-Aug-2015
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Nominal nut size
in.Non-Zinc
coated NutsZinc coated
Nuts
hex 1/4 to 1-1/2 90 68 /
heavy hex 1/4 to 4 /
hex thick 1/4 to 1-1/2 /
1/4 to 1 120 90 /
1-1/8 to 1-1/2 105 79 /
1/4 to 1 133 100 /
1-1/8 to 1-1/2 116 87 /
C/C3 HRB78-HRC38 heavy hex 1/4 to 4 144 144
hex 1/4 to 1-1/2 135 135
heavy hex 1/4 to 4 150 150
hex thick 1/4 to 1-1/2 150 150
hex 1/4 to 1-1/2 150 150
heavy hex 1/4 to 4 175 175
hex thick 1/4 to 1-1/2 175 175
DH3 HRC24-HRC38 heavy hex 1/4 to 4 175 175
ASTM A563 Mechanical Properties and Head Marking
A563
HRC24-HRC38
D HRB84-HRC38
A
Dimensional styleof nut
B
HRB68-HRC32
HRB69-HRC32
DH
Standard forNut
Grade
Proof Load Stresskis
100 75
Hardness
hex
Head Marking
heavy hex and hexthick
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