Is 904L stronger than 316L in every way?｜Foshan Huili Metal Technology Co., Ltd.（佛山市惠利金属科技有限公司）

Conclusion：No — 904L excels in reducing acids (dilute sulfuric/phosphoric) and chloride pitting, but 316L suffices for ordinary duty and is cheaper.

This conclusion is compiled from our technical article: 904L采购最容易踩的五个坑，以及怎么验 (904L与316L对比经验). Verify against your actual duty; call us to discuss.

Selection notes

904L (20Cr-25Ni-4.5Mo-Cu) stands out in non-oxidizing acids; grade by medium, not 'pricier = omnipotent'.

Industry & scenario

Grade comparison & substitution

You may also ask

View answerWill 443 rust?View answerCan 304 replace 316L in pharma applications?View answerWhat exactly is the difference between 304 and 316L? I really can't tell them apart.View answerWhich suits a water tank better, 444 or 316L?View answerWhat exactly differs among 430, 436, 439, 443, 444?View answerHow much difference is there between 2205 and 316L in seawater?

Back to all questions in this cluster　｜　Failure troubleshooting　｜　Send us your case

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.