Thank you for visiting the Advanced Plating Technologies Specification Database. Below is a technical summary of specification ASTM A380-99 from ASTM for Passivation. For more information on our full line of Passivation services please visit our passivation of stainless steel page. You can also request a quote or contact a member of our technical sales team for more information.
Application: Passivation per ASTM A380-99 Code F (20-50% nitric acid), Code G (20-40% nitric acid and 2-6% by weight of sodium dichromate), Code H (20-50% nitric acid), Code I (20-25% nitric acid and 2-6% by weight sodium dichromate), Code J (20-50% nitric acid and 2-6% by weight sodium dichromate), Code K (1-2% nitric acid and 1-5% by weight sodium dichromate), Code L (12% nitric acid and 4% by weight copper sulfate)
Plate Thickness: Code F: 20-50% nitric acid, Code G: 20-40% nitric acid and 2-6% by weight of sodium dichromate, Code H: 20-50% nitric acid, Code I: 20-25% nitric acid and 2-6% by weight sodium dichromate, Code J: 20-50% nitric acid and 2-6% by weight sodium dichromate, Code K: 1-2% nitric acid and 1-5% by weight sodium dichromate, Code L: 12% nitric acid and 4% by weight copper sulfate
Strike Thickness: Code F: 10-30 mins at 120-160 degrees F, 30-60 mins at 70-100 degrees F; Code G: 10-30 mins at 120-155 degrees F, 30-60 mins at 70-700 degrees F; Code H: 20-30 mins at 110-130 degrees F, 60 mins at 70-100 degrees F; Code I: 15-30 mins at 120-130 degrees F, 30-60 mins at 70-100 degrees F; Code J: 25-40 mins at 70-120 degrees F; Code K: 10 mins at 120-140 degrees F; Code L: 10 mins at 120-140 degrees F
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