304 and 316 stainless steel castings are widely used in scenes that require corrosion resistance. Of course, although they are called stainless steel castings, wear and corrosion are only a matter of time, but they are still an excellent solution in harsh environments and can provide durable products in many areas.<\/p>\n
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304\u00a0stainless steel is the most common type of steel. As a widely used steel, it has good corrosion resistance, heat resistance, low-temperature strength, and mechanical properties; it has good hot workability such as stamping and bending, and no heat treatment hardening phenomenon (non-magnetic, Use temperature -196\u2103\uff5e800\u2103).<\/p>\n
Household products (part of the tableware, cabinets, indoor pipelines, water heaters, boilers, bathtubs)<\/p>\n
Auto parts (windshield wipers, mufflers, molded products)<\/p>\n
Medical equipment, building materials, chemistry, food industry, agriculture, ship parts, etc.<\/p>\n
Due to the addition of molybdenum to\u00a0316\u00a0stainless steel, its corrosion resistance, atmospheric corrosion resistance, and high-temperature strength are particularly good. It can be used under harsh conditions; it has excellent work hardening properties (non-magnetic). When choosing austenitic stainless steel for marine applications, 316 stainless steel is generally considered to be one of the most suitable choices<\/p>\n
Equipment used in seawater, chemical, dye, paper, oxalic acid, fertilizer, and other production equipment;<\/p>\n
Photography, food industry, coastal facilities, ropes, CD rods, bolts, nuts.<\/p>\n
304 and 316 stainless steel castings are widely used in everything from construction, medical treatment to food equipment. Stainless steel castings are very suitable for use in environments with high hygiene requirements, just like the examples of medical and food equipment mentioned above. For one thing , they will not react with corrosive acids. At the same time, surgical instruments and tableware made of stainless steel are easy to clean and disinfect.<\/p>\n
Another reason for using stainless steel is that they do not require powder coating to resist corrosion and can maintain a beautiful appearance.<\/strong><\/p>\n The\u00a0types of stainless steel\u00a0can be divided into 5 types: austenite, ferrite, martensite, duplex (a mixture of ferrite and austenite), and PH-precipitation hardening (martensite, semi-austenite, or Austenite). Due to the nickel content, AISI 304 and AISI 316 have austenitic microstructures. We skip the structural differences and directly understand how the structure affects the mechanical properties of the material.<\/p>\n The characteristics of austenitic stainless steel are:<\/p>\n \u25c6Excellent corrosion resistance under normal or slightly corrosive environment<\/p>\n \u25c6Excellent performance at low temperatures<\/p>\n \u25c6Performs well under high temperature<\/p>\n \u25c6Easy to harden<\/p>\n \u25c6Good ductility and formability<\/p>\n \u25c6Excellent weldability<\/p>\n \u25c6Very suitable for a hygienic environment<\/p>\n \u25c6Non-magnetic<\/p>\n There is no fixed answer. Generally speaking, if the use environment is salty or acidic, choose AISI316, which is the main and clearest dividing line between the two stainless sheets of steel. What is the working temperature used? The high temperature will accelerate corrosion, so higher grades are more suitable. What is your budget? If AISI 316 is not necessary, AISI 304 will be cheaper. The cost of the former is about 25% higher than the latter.<\/p>\n Hengke Metal is a professional stainless steel investment casting manufacturer in China. We can customize different types of stainless steel castings according to customers\u2019 drawings or samples. If you have any inquiries about stainless steel castings, please feel free to contact us!<\/p>\n304 vs 316 Stainless Steel Casting<\/span><\/h2>\n
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\n Chemical Composition<\/strong><\/td>\n<\/tr>\n \n Grades<\/td>\n 304<\/td>\n 316<\/td>\n<\/tr>\n \n Carbon<\/td>\n C\uff1a\u22640.08<\/td>\n C \uff1a\u22640.08<\/td>\n<\/tr>\n \n Manganese<\/td>\n Mn \uff1a\u22642.0<\/td>\n Mn\uff1a\u22642.00<\/td>\n<\/tr>\n \n Phosphorus<\/td>\n P \uff1a\u22640.035<\/td>\n P \uff1a\u22640.035<\/td>\n<\/tr>\n \n Sulfur<\/td>\n S \uff1a\u22640.03<\/td>\n S \uff1a\u22640.030<\/td>\n<\/tr>\n \n Silicon<\/td>\n Si \uff1a\u22641.0<\/td>\n Si\uff1a\u22641.00<\/td>\n<\/tr>\n \n Nickel<\/td>\n Ni \uff1a8.0\uff5e10.5<\/td>\n Ni\uff1a10.00\uff5e14.00<\/td>\n<\/tr>\n \n Chromium<\/td>\n Cr \uff1a18.0\uff5e20.0<\/td>\n Cr\uff1a16.00\uff5e18.50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n \n\n
\n Performance comparison of 304 and 316<\/strong><\/td>\n<\/tr>\n \n Material<\/td>\n 304<\/td>\n 316<\/td>\n<\/tr>\n \n Tensile strength\u03c3b(MPa)<\/td>\n \u2265520<\/td>\n \u2265520<\/td>\n<\/tr>\n \n Conditional yield strength \u03c30.2 (MPa)<\/td>\n \u2265205<\/td>\n \u2265205<\/td>\n<\/tr>\n \n Elongation \u03b45 (%)<\/td>\n \u226540<\/td>\n \u226540<\/td>\n<\/tr>\n \n Reduction of area \u03c8 (%)<\/td>\n \u226560<\/td>\n \u226560<\/td>\n<\/tr>\n \n Hardness<\/td>\n \u2264187HB\uff0c\u226490HRB\uff0c\u2264200HV<\/td>\n \u2264187HB\uff0c\u226490HRB\uff0c\u2264200HV<\/td>\n<\/tr>\n \n Density 20\u2103 g\/cm3<\/td>\n 7.93<\/td>\n 7.93<\/td>\n<\/tr>\n \n Melting point (\u2103)<\/td>\n 1398~1454<\/td>\n 1398-1420<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n 304 and 316 Stainless Steel Castings, Which One to Choose?<\/strong><\/span><\/h2>\n