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303 Stainless Steel
Of all the austenitic grades of stainless steel, 303 is the most easily machined. The presence of sulphur in the composition of 303 stainless steel is what gives it its ability to be machined. It should be noted, nevertheless, that sulphur also reduces the steel's ability to resist corrosion and slightly reduces its hardness. As with other austenitic grades, the hardness is still very good. Compared to 303, AISI 304 stainless steel has a stronger resistance to corrosion.
304 Stainless Steel
304 and 304L stainless steel kinds. The most adaptable and popular type of stainless steel is 304. Because the nominal makeup of type 304 is 18% chromium and 8% nickel, it is also known as 18/8. The 300 series Stainless Steel that is the most adaptable and widely used. Excellent forming and welding properties are present. Since Types 301 and 302 cannot be deep drawn as severely as AISI 304 stainless, this grade has become the industry standard for the production of drawn stainless steel products including sinks, splashbacks, and saucepans.
316 Stainless Steel
Food-grade and surgical stainless steel are both made of 316 stainless steel. Due to its greater resistance to chloride corrosion than type 304, stainless steel is also referred to as marine grade stainless steel. Extra-low carbon 316L is a grade of 316 that is typically used in stainless steel watches. It is frequently chosen for usage in marine environments due to its resistance to chloride assault. Flexible chimney liners employ the heat-resistant alloy 316Ti, which contains titanium.
410 Stainless Steel
The fundamental martensitic stainless steel, 410 stainless steel, will achieve high mechanical properties following heat treatment. It has good corrosion and scaling resistance up to 649°C as well as good impact strength. It is a good choice for severely stressed parts due to its strength, good ductility, and corrosion resistance in moderate atmospheres, steam, and mild chemical conditions. commonly utilised in applications involving petroleum chemicals, medical equipment, automotive exhausts, manifolds, and high-temperature engine parts.
Yes, most stainless steel grades are safe for food contact. However, it's essential to ensure the steel is food-grade and meets the required hygiene standards.
Stainless steel is relatively easy to clean. Mild soap and water are usually sufficient. Avoid abrasive cleaners that can scratch the surface. For stubborn stains, a stainless steel cleaner can be used.
While stainless steel is highly resistant to rust, it can occur under specific conditions, such as exposure to salt or acidic environments. Proper cleaning and maintenance can help prevent rust formation.
- 304 stainless steel is a general-purpose grade with good corrosion resistance.
- 316 stainless steel has added molybdenum for superior resistance to pitting and crevice corrosion, making it suitable for marine environments and applications involving chlorides.
Generally, austenitic stainless steels (like 304 and 316) are non-magnetic. Ferritic and martensitic stainless steels are magnetic.