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ASTM A490
May 08, 2025
|
Standar for Bolt |
Grade |
Bolt Size |
Tension Stength |
Yield Strength |
Enlogation |
Hardness |
Head Marking |
|
|
in. |
ksi |
ksi |
% |
Brinell |
Rockwell C |
|||
|
A490 |
type1 |
1/2~1" |
150-173 |
130min |
14 |
<2*D, HB 311-352；>2*D, HB…-352; |
<2*D, 33-39；>2*D, HC…-39; |
|
|
1~1-1/2" |
150-173 |
130min |
14 |
<3*D,HB313-352；>3*D,HB…-352 |
<2*D, 33-39；>2*D, HC…-39; |
|||
|
type3 |
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