400 500 600 Series Stainless Steel Window Mesh 30m Dog Proof Fly Screen
Stainless steel can be divided into Cr series (400 series), Cr-Ni series (300 series), Cr-Mn-Ni (200 series), heat-resistant chromium alloy steel (500 series) and precipitation hardening series (600 series) according to the composition.
400 series: ferritic and martensitic stainless steel, manganese-free, to some extent an alternative to 304 stainless steel
408: Good heat resistance, weak corrosion resistance, 11% Cr, 8% Ni.
409: The cheapest model (British and American), usually used as a car exhaust pipe, is a ferritic stainless steel (chrome steel).
410: Martensitic (high-strength chromium steel), with good wear resistance and poor corrosion resistance.
416: The addition of sulfur improves the processing properties of the material.
420: "cutting grade" martensitic steel, the earliest stainless steel similar to Brinell high chromium steel. Also used in surgical knives, can do very bright.
430: Ferritic stainless steel, for decorative purposes, eg for car accessories. Good formability, but poor temperature and corrosion resistance.
440: High-strength cutting tool steel with slightly higher carbon content. After proper heat treatment, higher yield strength can be obtained, and the hardness can reach 58HRC, which is one of the hardest stainless steels. The most common application example is "razor blades". There are three commonly used models: 440A, 440B, 440C, and 440F (easy to process).
500 Series: Heat-resistant chromium alloy steel.
600 Series: Martensitic precipitation hardening stainless steels.
Stainless Steel Window Screen Quality Testing
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400 500 600 Series Stainless Steel Window Mesh 30m Dog Proof Fly Screen Images
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