What Is the Difference Between 304 and 316 Stainless Steel? | Technical Tuesday
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- Опубліковано 6 лют 2022
- Both 316 and 304 stainless steel offer corrosion resistance, strength, heat resistance and are easily fabricated. So, what is the real difference? Let Huntley tell you.
Check out our chemical compatibility chart to help you decide further what grade you need for your application: www.themetalcompany.co.nz/tec...
304 is also much better for bending and roll forming because it doesn’t work harden and doesn’t require post welding heat treatment, as for machining 316 requires specific (expensive) tooling.
Good explanation. Thanks!
No problem!
Thank you so much for the video !!! Can i know please Which one is better for Coffee mugs? Thanks :)))
I am making small flat parts at .060” thickness, which is stronger the 304 or 316? I am looking for the best bend resistance.
Hello thank you for your question. For small flat parts with a thickness of 0.060 inches, both 304 and 316 stainless steels are suitable, but 316 may offer slightly better bend resistance due to its addition of molybdenum, providing enhanced corrosion resistance 😀
So which should I choose for perfume storing tank?
Hi Kenneth sorry for the late reply.
304 stainless steel is a commonly used stainless steel grade that offers good corrosion resistance, durability, and affordability. It is suitable for various applications, including storage tanks. However, it is important to note that 304 stainless steel is more susceptible to corrosion in environments with high chloride concentrations or exposure to certain chemicals.
On the other hand, 316 stainless steel is an austenitic stainless steel alloy that contains additional elements such as molybdenum. This alloy provides enhanced corrosion resistance compared to 304 stainless steel, particularly in chloride-rich environments.
Therefore, if your perfume or the storage environment involves exposure to chlorides or corrosive chemicals, 316 stainless steel may be a more suitable choice to ensure long-term durability and resistance to corrosion.
Ultimately, the selection of the stainless steel grade should be based on factors such as the specific composition of the perfume, the storage conditions, and the budget.
Here's our chemical compatibility chart to help you out: www.themetalcompany.co.nz/technical/?category=chemical-compatibility#chemical-compatibility
If you have any other questions feel free to reach out 😀
Is there a difference if any between 316 and 316L SS? I want to use SS for car door molding instead of ABS for durability. However, I worry that SS will eventually start rusting and ruin the door panel when expose to moisture and road salt during winter.. And when comparing to 304, is 316 a better choice for outdoor usage? I am going to go a step further by electropolishing SS to enhance the corrasion resistance.
Hello thanks for your question. The main difference between 316 and 316L stainless steel lies in their carbon content. 316 stainless steel contains a higher carbon content than 316L stainless steel. The lower carbon content in 316L helps to minimise the formation of harmful carbide precipitates, making it more resistant to corrosion in certain environments.
In terms of using stainless steel for outdoor applications, both 316 and 316L stainless steel are excellent choices due to their superior corrosion resistance compared to other stainless steel grades. They are particularly well-suited for withstanding exposure to moisture and harsh weather conditions.
I hope this helps :)
@@TheMetalCompany Thanks. Should 304 be avoided then?
Which one is easy to weld and which one is suitable for steam?
Hi @adonay, Both 304 and 316 stainless steel are relatively easy to weld, but 316 may be more prone to warping and cracking due to its higher levels of alloying elements. In terms of suitability for steam, both 304 and 316 are resistant to corrosion in high-temperature environments, but 316 is typically considered to be a better option because of its enhanced corrosion resistance in chloride environments. It is also worth noting that if the steam application will be in a highly corrosive environment, the low-carbon versions of 304 and 316 (304L and 316L) may be more suitable as they have less carbide precipitation from welding.
What about 6969 stainless steel?
We are building carports in the Bahamas and are looking for stainless steel nuts, bolts, and washers. Due to the marine environment, we've been recommended to use 316 stainless steel hardware. However, we need that hardware to withstand winds of up to 200 mph. Would stainless steel 316L be a better fit than stainless 316? Thanks,
Hello thank you for your question. 316/316L is the chemical composition of the stainless nut. They don’t have any wind ratings, nor does wind affect the chemical make up of stainless.
316L has a lower carbon content that normal 316 so it has slightly better corrosion resistance so due to the harsh environment that would be better suited. 😀
Prosted paskat made of wiht stanls steal 304 or 316 plis hilp me ?
I'm sorry, not sure that I understand your question.
I saw a frying pan on market they said its 304 stanless steel.. i am wondering if they are honest.. i am wondering if its healthy to use for frying food ?
This is the product link on timu
@@recovery2232Solidteknics Noni, expensive but has no nickel. Should last for the rest of your life tho
Titanium is the ultimate option for sea use .. but .. it is VERY expensive ( ? ) ....... DAVE™🛑
Can you use 304 stainless steel to make knives?
Yes, you can use 304 stainless steel to make knives. However, it may not be the best choice for a knife blade as it is not as hard as other types of steel commonly used in knife-making. 304 stainless steel is often used for kitchen utensils and appliances due to its resistance to corrosion and heat, but it may not hold a sharp edge for as long as other types of steel. If you are looking to make a knife blade, you may want to consider using a higher carbon stainless steel such as 440C or VG-10 for better edge retention.
@@TheMetalCompany ok thank you very much
and is there any advice you might have for heat treatment of 304 stainless?
@@iamabigf00t59 When it comes to heat treating 304 stainless steel, it's important to keep in mind that this type of steel is not typically hardened through heat treatment. Instead, it is generally annealed to improve its machinability and ductility. To anneal 304 stainless steel, it is typically heated to a temperature range of 1900-2100°F (1038-1149°C) and then cooled slowly in a furnace or by burying it in insulating materials like sand or lime. The cooling process can take several hours or even days, depending on the thickness of the steel. It's important to note that 304 stainless steel should not be quenched in water or oil after annealing, as this can lead to cracking and other issues. Instead, it should be allowed to cool slowly to room temperature. If you are unsure about how to properly heat treat 304 stainless steel, it's always best to consult with a professional or do thorough research beforehand.
What is the best steel for water electrolysis?
Hello! 304 stainless steel is a commonly used and cost-effective material that offers good corrosion resistance in many environments. It contains chromium, which forms a passive oxide layer on the surface, protecting it from corrosion. However, 304 stainless steel may not be the best choice for certain electrolysis applications because it can be susceptible to corrosion in acidic or chloride-rich environments.
316 stainless steel, on the other hand, contains additional alloying elements such as molybdenum, which enhances its corrosion resistance, particularly in chloride environments. It is more resistant to pitting and crevice corrosion compared to 304 stainless steel.
If your water electrolysis setup involves exposure to chloride-rich or acidic conditions, or if corrosion resistance is a critical factor, 316 stainless steel may be a better choice.
@@TheMetalCompany thank you so much for information. is the 18-8 the same as 316 or 304? i found one but is is written 18-8. is it good to be used ????
@@princessa4223 Hello great question.
No they are not the same but 18-8 and 304 do share similar qualities.
18-8 stainless steel refers to a type of stainless steel that contains approximately 18% chromium and 8% nickel. This composition makes it highly resistant to corrosion and oxidation. It is commonly used in applications where corrosion resistance is important, such as kitchenware, utensils, and food processing equipment.
On the other hand, 304 stainless steel is a specific grade of stainless steel that falls within the 18-8 stainless steel family. It contains approximately 18% chromium and 8% nickel, just like 18-8 stainless steel. However, 304 stainless steel also contains a small amount of carbon (around 0.08%). This addition of carbon improves its strength and makes it more suitable for certain applications, such as structural components, industrial equipment, and architectural fixtures.
18-8 stainless steel is a broader term that refers to a range of stainless steels with 18% chromium and 8% nickel, while 304 stainless steel is a specific grade within the 18-8 stainless steel category.
Yes , of course ... Titanium would be HYPER expensive for rebar ! ... I was thinking of nuts and bolts for undersea electronic gizmos used in the oil industry , NOT for undersea concrete structures ! ....... DAVE™🛑
316l is the only thing that I know to use. Even for home use,100 year quality. I worked at a drug manufacturing and packaging company, and that's all they use. It's superior quality and looks great. It's way better than cheap plastic p.v.c. It's absolute garbage