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Which suits a water tank better, 444 or 316L?｜Foshan Huili Metal Technology Co., Ltd.（佛山市惠利金属科技有限公司）
For ambient chlorinated tap-water storage tanks, 444 resists pitting close to 316L and is nickel-free; use 316L for aggressive duty or complex welded structures.
Conclusion：For ambient chlorinated tap-water storage tanks, 444 resists pitting close to 316L and is nickel-free; use 316L for aggressive duty or complex welded structures.
This conclusion is compiled from our technical article: 444和316L谁更适合储水箱？先算镍价再定 (444和316L储水箱一文). Verify against your actual duty; call us to discuss.
Selection notes
444 near 316L in chlorinated water, nickel-free; 316L for aggressive/complex weld.
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.