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Can 304 replace 316L in pharma applications?｜Foshan Huili Metal Technology Co., Ltd.（佛山市惠利金属科技有限公司）
Product-contact surfaces in pharma use 316L (molybdenum-bearing, Ra≤0.8μm, traceable); 304 is for non-contact structural parts only.
Conclusion：Product-contact surfaces in pharma use 316L (molybdenum-bearing, Ra≤0.8μm, traceable); 304 is for non-contact structural parts only.
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 (制药设备316L与304一文). Verify against your actual duty; call us to discuss.
Selection notes
Contact surface 316L molybdenum, Ra≤0.8μm traceable; 304 only non-contact structurals.
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.