The client specified 316L but I have 304 — can I swap and deliver?｜Foshan Huili Metal Technology Co., Ltd.（佛山市惠利金属科技有限公司）

Conclusion：Don't substitute without authorization — grade mismatch is breach; if truly needed, get client's written confirmation and keep evidence.

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 (牌号替换合规经验). Verify against your actual duty; call us to discuss.

Selection notes

304/316L molybdenum gap decides corrosion; unauthorized swap is high-risk — must get written change.

Industry & scenario

Grade comparison & substitution

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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.