Different between ASTM A108 and ASTM A29(stud welding)

Date 12-02-2010 08:58

In clause 7.2.6 of AWS D1.1 2006 version, mentioned stud material should be from ASTM A108
But in the 2010 version, it changed to be ASTM A29.

So what is the difference? Why to change?

By James Corbin (**)

Date 12-03-2010 05:30

ASTM A29 - This specification covers a group of common requirements which, unless otherwise specified in the purchase order
or in an individual specification, shall apply to carbon and alloy
steel bars under each of the following ASTM specifications or
under any other ASTM specification which invokes this
specification or portions thereof:

Hot rolled carbon steel bars: A321, A499, A575, A576, A663, A675, A689, A695
Cold finished carbon steel bars: A108, A311
Hot rolled alloy steel bars: A322, A304, A434, A739
Cold finished alloy steel bars: A331, A434, A696

Specification ASTM A29 opened the door to studs being made not only of cold finished carbon bars But of hot finish carbon bars and hot and cold finished alloy bars...

Hope this helps