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ASTM A490

Standar for Bolt Grade Bolt Size ...

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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