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What is food grade stainless steel?
Release time:
2023-10-26
Food-grade stainless steel refers to metal materials that comply with the GB4806.9-2016 provisions of "the People's Republic of China National Standards/Hygienic Standards for Stainless Steel Tableware Containers", and stainless steel will not dissolve various alloys and harmful substances in the process of using acid and alkali in food production.
Food-grade stainless steel refers to metal materials that comply with the GB4806.9-2016 provisions of "the People's Republic of China National Standards/Hygienic Standards for Stainless Steel Tableware Containers", and stainless steel will not dissolve various alloys and harmful substances in the process of using acid and alkali in food production.
Specific standards
Food grade stainless steel
All kinds of food containers and food
The processing machinery shall be austenitic or ferritic stainless steel (1 Cr18Ni9Ti,0 Cr19Ni9, 1 Cr18Ni9,1 Cr17Ni2). For the processing part of the abrasive drilling tool can also choose martensitic stainless steel (0Cr13,1Cr13,2Cr13,3Cr13).
The specific physical and chemical indicators are as follows:
Items Austenitic Stainless Steel Ferritic Martensitic Stainless Steel
Lead (as Pb),mg/L 4% acetic acid immersion solution ≤ 1.0 1.0.
Chromium (calculated as Cr),mg/L in 4% acetic acid soaking solution ≤ 0.5
Nickel (as Ni),mg/L 4% acetic acid immersion solution ≤ 3.0 1.0.
Cadmium (Cd),mg/L 4% acetic acid solution ≤ 0.02 0.02.
Arsenic (as),mg/L 4% acetic acid solution ≤ 0.04 0.04.
Note: The soaking conditions are boiling for 30min and then 24h at room temperature.
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