![]() ![]() However, both grades of stainless steel are relatively affordable compared to other metals. Grade 304 is typically more affordable than grade 306 due to its lower carbon content and lower chromium content. One final difference between grade 304 and grade 306 stainless steel is their cost. Additionally, grade 306 stainless steel is more ductile than grade 304, which means it can be formed into different shapes. The most familiar austenitic stainless steel used for surgical implants is Type 304, which contains 1820 chromium and 810 nickel (National Specialty. Grade 306 stainless steel is stronger than grade 304, which can make it more suitable for certain applications. The -70 Representing The Tensile Strength Divided By 10. A Bolt Marked A2-70 Is A 304 Stainless Steel Bolt With A 700 N/mm2 Tensile Strength (See Below Table). Mechanical PropertiesĪnother important difference between grade 306 stainless steel and grade 304 stainless steel is their mechanical properties. A2 / ASTM-304 Is An 18/8 Stainless Steel : This Designates A Metallurgical Content Of 18 Chromium & 8 Nickel. However, due to its higher carbon content, grade 304 offers better oxidation resistance than grade 306 does when exposed to temperatures above 600 degrees Fahrenheit during extended periods of time-this makes it ideal for applications where prolonged heat exposure is expected, such as automotive exhaust systems or industrial ovens/furnaces. When it comes to temperature resistance, both grades of stainless steel perform similarly they both offer good resistance up to 600 degrees Fahrenheit before they start to degrade in performance. This means that if you’re looking for a stainless steel that will be exposed to acidic environments regularly, then grade 306 is your best bet, whereas if you need something that can handle saltwater exposure, then grade 304 is the way to go. Low carbon content means less carbide precipitation in the heat-affected zone during welding and a lower susceptibility to. Essentially non-magnetic, becomes slightly magnetic when cold worked. High ductility, excellent drawing, forming, and spinning properties. Grade 304 is more resistant to saltwater corrosion, while grade 306 is more resistant to acid-based corrodes like vinegar or citric acid. Better corrosion resistance than Type 302. Corrosion Resistanceīoth 304 and 306 stainless steels are highly resistant to corrosion due to their high levels of chromium content however, they do have different levels of resistance depending on their environment. This slight difference in chemical composition imparts slightly different mechanical properties to each grade for example, grade 304 has a higher yield strength than grade 306. The chemical composition of grade 304 stainless steel is essentially the same as that of grade 306 stainless steel, with slightly higher amounts of chromium (18% vs 16%) and lower amounts of carbon (0.08% vs 0.12%). The tables below list the 18/8 stainless steel properties. 18/8 steel is the most widely used material, has excellent corrosion resistance in mild environments, and has good weldability and mechanical properties. ![]() Get A Quote On SS 304 Pipes From Here Get A Quote On SS 304 Pipes From Hereĭifference Between Stainless Steel Grades 306 and 304 Chemical Composition The steel containing 18 chromium and 8 nickel includes 304 and its variants 304L, 304N and 304LN. ![]()
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