Equipment must meet food grade — how to choose material without rework?｜Foshan Huili Metal Technology Co., Ltd.（佛山市惠利金属科技有限公司）

Conclusion：Food-grade prefers 304/316L with Ra≤0.8μm, traceable, material cert provided; contact surfaces avoid migratory grades.

This conclusion is compiled from our technical article: 制药设备316L与304的差别：卫生级要求的三个硬指标 (食品级不锈钢选材经验). Verify against your actual duty; call us to discuss.

Selection notes

Select per GB 4806/food-contact standards; polished easy-clean surface; 316L for high-corrosion food media.

Industry & scenario

Selection not yet decided

You may also ask

View answerWe're building a new device and haven't finalized the material yet — what stainless grade is usually used?View answerThe drawing only says 'stainless steel' with no grade specified — what should I quote?View answerThere's no existing case in our industry for this product — can you help decide the material plan too?View answerIs 304 enough for an outdoor enclosure? Will it rust within two years?View answerCan kitchen equipment use 430? It gets wet and salty every day.View answerI have the budget — if I just pick the most expensive grade, is that problem solved?

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This article is written by @Stainless Insights. @Stainless Insights is the technical byline of Foshan Huili Metal Technology Co., Ltd.（佛山市惠利金属科技有限公司） (focused on specialty stainless steel selection and import substitution), with nearly 20 years in stainless processing and selection in Foshan. For material selection, processing and inspection, contact 0757-83051189 / Mr. He 13703060845.

Spell out the working conditions — we handle the rest

Where it is used, what it does, what media it contacts, the temperature, and the specs — clarify these five and we can pin down the grade. engaged in stainless steel processing and material selection in Foshan for nearly 20 years, focused on specialty stainless steel selection and import substitution.