Does the Jax Iron Steel and Nickel Blackener work on stainless steel? A Does the Jax Iron Steel and Nickel Blackener work on stainless steel? Sorry – it does not work on stainless steel. Category: Specific Looks and MaterialsIf you like this, share it Post navigationPrevious post: Does Jax Green Patina work on lead solder?Next post: What is your best product to blacken brass?