Metal corrosion working electrode (CS921)

It is usually used in CS930 4-neck cell.  Working area: 0.5cm²
Material: Optional
Carbon steel（Q235）,
Stainless steel(304, 316L), copper 
Carbon steel C1018
Carbon steel C1020
Carbon steel N80
Stainless Steel (SS316 L)
Pure Copper
Pure Magnesium
AZ31 Magnesium alloy
13Cr Stainless Steel
Duplex 22Cr Stainless Steel
X65 Carbon steel 
Pure Aluminum 
Pure Iron 
Cu70-Ni30 Alloy 
Cu90-Ni10 Alloy
 Aluminum 6082 Alloy 
Carbon Steel T-95
Carbon Steel X100 
Inconel 600
etc