ASTM No. 30
material specific
Composition
100ml HCl, 100ml Ethanol, 5g CuCl₂
Mixed
Method
immersion
Time
30s
Basic Information
Category:Material Specific
Composition:100ml HCl, 100ml Ethanol, 5g CuCl₂
Concentration:Mixed
Reveals:Grain boundaries, phases
Typical Results:ASTM standard etchant for stainless steels and nickel alloys.
Color Effects:Grain boundaries dark
Available from PACE Technologies
This etchant is available as a ready-to-use product.