3. astm a490 mechanical properties and head marking
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Bolt Size Tension Stength Yield Strength Enlogation in. ksi ksi % Brinell Rockwell C 1/2~1" <2*D, HB 311-352； >2*D, HB…-352; <2*D, 33-39； >2*D, HB…-39; 1~1-1/2" <3*D,HB313-352； >3*D,HB…-352 <2*D, 33-39； >2*D, HB…-39; Type1 ASTM A490 150-173 130min 14 ASTM A490 Mechanical properties and Head marking Grade Hardness Head Marking Standard for Bolt
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Transcript of 3. astm a490 mechanical properties and head marking
Bolt SizeTension Stength
Yield Strength
Enlogation
in. ksi ksi % Brinell Rockwell C
1/2~1"<2*D, HB 311-352； >2*D, HB…-352;
<2*D, 33-39；>2*D, HB…-39;
1~1-1/2"<3*D,HB313-352；
>3*D,HB…-352<2*D, 33-39；
>2*D, HB…-39;
Type1ASTM A490
150-173 130min 14
ASTM A490 Mechanical properties and Head marking
Grade
Hardness
Head MarkingStandard for Bolt
sales15
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