Amperage vs cross section

[amron]

Is there any chart that shows what cross section area welding cable needed for a given amperage?
Thanx.

 

[shenion]

Search for "welding cable ampacity":

Here is one example.
http://www.pacificcabling.com/Specialty Cables/welding_cable_amperage_chart.htm

Here is one that came with one of my welders:

Most tables will be in AWG sizes. You can find the equivalent metric size:
From: http://www.palonn.com/sommer_cable/awg_mm.htm