American Electrode Classification 1

[Ussuri]

I am looking Section J.2 of the AISC specification and trying to determine a weld capacity as per Table J2.5.

It seems fillet strength is based on FEXX (an electrode classification number in ksi).

Where would I find this information as the commentary came up blank.

Ideally I would be looking for something similar to an E42 Electrode to BS EN 499 (Min Yield Strength 420MPa, UTS 500-640MPa)

 

[HgTX]

That number is basically the minimum specified ultimate tensile strength of the weld metal (per the applicable AWS A5 document), so if you're really using your E42, plug in 500 MPa or 72 ksi.

If you need to use an American electrode, they come in 10-ksi increments, but the E80 electrodes are just weathering versions of the E70s. E70 electrodes (485 MPa) are most typically used for building and bridge construction with 50-ksi (345 MPa) steel. E90 electrodes are used with Gr. 70 steel.

Hg

Eng-Tips policies: faq731-376

 

[henri2]

EN 499 is equivalent to AWS A5.1---Specification for Carbon Steel Electrodes for Shielded Metal Arc Welding. There is a metric version of A5.1

Click

http://www.twi.co.uk/j32k/protected/band_3/jk84.html

In a nut shell the basic AWS classification for SMAW filler metal is EXXXX, where: E stands for electrode, the next two digits nominal tensile strength in ksi, the penultimate digit is welding position, and final number is for coating/operating characteristics.

So, as an example, for an electrode classified as E7018, the tensile strength is 70 ksi (which is the FEXXX in Table J2.5), the number 1 means it can be used for welding in all positions, the number 8 means the coating is low hydrogen iron powder ...for use with AC or DCEP.