MATERIAL DEFINITION
The two most commonly used grades among stainless steels, 304 and 316, play a decisive role in your projects with their different chemical structures. AISI 304 grade (1.4301) provides corrosion resistance in standard industrial applications with its 18% chromium and 8% nickel content.
However, in projects involving seawater, chloride environments, or aggressive acids, AISI 316 grade (1.4401) is unrivaled. The biggest difference between 316 and 304 is the addition of 2-3% Molybdenum (Mo) in its structure. Molybdenum grants the steel superior defense capability against pitting corrosion.
At Point Metal, we recommend 304 for food facilities and 316L (Low Carbon) series for chemical and marine projects. Both groups are prepared for shipment in our stocks with millimetric cutting precision.
TECHNICAL ANALYSIS
The information in this article supports material selection. Specify the grade, dimensions and documents required for your application when requesting a quotation.
MECHANICAL REQUIREMENTS
Specify the mechanical properties you require.
MATERIAL DOCUMENTS
Include the required document and batch information in your enquiry.
INDUSTRIAL USAGE
Assess material selection against the operating conditions, production process and project specification. Include the intended use and technical requirements in your quotation request.
FAQ
Q. Which one is more expensive?
Grade 316 is 30-50% more expensive than 304 due to the molybdenum content.
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