Mild steel arc welding electro rods J421 is a kind of carbon steel electrode with titania type coating. AC/DC. All-position welding. It has excellent ...
Mild steel arc welding electro rods J421 is a kind of carbon steel electrode with titania type coating. AC/DC. All-position welding. It has excellent ...
Mild steel arc welding electro rods J421 is a kind of carbon steel electrode with titania type coating. AC/DC. All-position welding. It has excellent ...