12. astm a194 mechanical properties and head marking
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Nominal nut size in. Non-Zinc coated Nuts Zinc coated Nuts hex 1/4 to 1-1/2 135 135 heavy hex 1/4 to 4 150 150 hex 1/4 to 1-1/2 150 150 heavy hex 1/4 to 4 175 175 hex 1/4 to 1-1/2 135 135 heavy hex 1/4 to 4 150 150 hex 1/4 to 1-1/2 150 150 heavy hex 1/4 to 4 175 175 hex 1/4 to 1-1/2 150 150 heavy hex 1/4 to 4 175 175 hex 1/4 to 1-1/2 135 135 heavy hex 1/4 to 4 150 150 hex 1/4 to 1-1/2 75 75 heavy hex 1/4 to 4 80 80 hex 1/4 to 1-1/2 75 75 heavy hex 1/4 to 4 80 80 ASTM A194 Mechanical Properties and Head Marking 8 126-300 8M 126-300 7 248-327 7M HRB159-235 2HM HRB159-235 2 HRB159-352 2H ≦1-1/2: 248-327, ﹥1-1/2 : 212-327 4 248-327 Grade Hardness A194 Standard for Nut Dimensional style of nut Proof Load Stress kis Head Marking
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Transcript of 12. astm a194 mechanical properties and head marking
Nominal nut size
in.Non-Zinc
coated NutsZinc coated
Nuts
hex 1/4 to 1-1/2 135 135
heavy hex 1/4 to 4 150 150
hex 1/4 to 1-1/2 150 150
heavy hex 1/4 to 4 175 175
hex 1/4 to 1-1/2 135 135
heavy hex 1/4 to 4 150 150
hex 1/4 to 1-1/2 150 150
heavy hex 1/4 to 4 175 175
hex 1/4 to 1-1/2 150 150
heavy hex 1/4 to 4 175 175
hex 1/4 to 1-1/2 135 135
heavy hex 1/4 to 4 150 150
hex 1/4 to 1-1/2 75 75
heavy hex 1/4 to 4 80 80
hex 1/4 to 1-1/2 75 75
heavy hex 1/4 to 4 80 80
ASTM A194 Mechanical Properties and Head Marking
8 126-300
8M 126-300
7 248-327
7M HRB159-235
2HM HRB159-235
2 HRB159-352
2H≦1-1/2: 248-327,﹥1-1/2 : 212-327
4 248-327
Grade Hardness
A194
Standard forNut
Dimensional styleof nut
Proof Load Stresskis
Head Marking
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