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304 is a food grade of stainless. I am also reasearching this subject at present. My research of online sources- see Johnsons solder ac-600- reveals that a specific aggressive soldering flux is req'd. The type of solder is also impotrant in regards to application type. Each type is a different combination designed for different applications. Some have better bridging strength, or higher/lower melting points, better electrical conduction, and some contain cadmium which poisons food in a cooking application. Perhaps search solder manufacturers for more info.

Terry in Ladysmith,BC.CA

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What does the 390 stamp on Stainless steel mean?

The "390" stamp on stainless steel typically indicates the specific grade or type of stainless steel alloy used in the product. It often refers to a composition containing approximately 18% chromium and 8% nickel, similar to the more common 304 grade, but with variations that may enhance certain properties. This grade is known for its corrosion resistance and durability, making it suitable for various applications, including kitchenware and industrial equipment. Always verify with the manufacturer for precise specifications, as designations can vary.


Which grade steel is best against corrosion?

Stainless reply: want to know steel grades other than stainless against corrosion


What metals make up surgical grade steel?

Surgical grade steel typically consists of a combination of stainless steel alloys, such as chromium, nickel, molybdenum, and sometimes vanadium. These metals contribute to the steel's ability to resist corrosion, maintain strength, and withstand sterilization processes, making it suitable for medical applications.


Are copper pans all right to cook in if there is a copper tint to the stainless steel?

To manufacture the stainless steel copper bottom utensils with 3% of copper deposit at the bottom of utensil & the grade of stainless steel is J -5 of 22 gauge. What would be the manufacturing cost per kg ? Shall I get the costing analysis of manufacturing process to know this process better.What kind of stainless steel grade have to be used to get best resuts? Ravikumar


What Rockwell is 303 stainless steel?

303 stainless steel typically has a Rockwell hardness of around 90-95 HRB (Rockwell B scale). This grade is known for its excellent machinability and good corrosion resistance, making it suitable for various applications, including screws, bolts, and fittings. Its hardness can vary slightly based on specific processing and heat treatment, but it generally maintains a softer profile compared to other stainless steel grades.

Related Questions

Is stainless steel AISI 430 suitable and healthy for cookware production?

Yes, AISI 430 stainless steel is suitable for the production of Cookware. Moreover, if we use 430Ti grade, that will be much better for production. The cookware made out of 430 Grade, passes all teh food safety tests like LFGB etc.


What grade stainless steel are beer kegs made of?

Beer kegs are typically made of grade 304 stainless steel, which is a common and suitable choice for food and beverage applications due to its corrosion resistance and durability.


What grade is 18-8 stainless steel commonly known as?

18-8 stainless steel is commonly known as Grade 304 stainless steel.


What is the hardest stainless steel grade?

the highest and hardest grade stainless is titanium 316Ti


Is 18/8 stainless steel food grade?

Yes, 18/8 stainless steel is food grade.


Can lower grade of SS steel be used for making higher grade of SS steel?

Yes, higher grade stainless is achieved by cold working a lower grade stainless steel


What is the best stainless steel grade for cookware?

The best stainless steel grade for cookware is typically 18/10 stainless steel, which contains 18 chromium and 10 nickel. This grade is known for its durability, resistance to corrosion, and ability to maintain a shiny appearance over time.


How do you write suitable in a 4th grade sentence?

it is very suitable that


Is there musical stainless steel drums?

Steel drums are made from a specific grade of steel, but not what is known as stainless steel.


What is the best type of stainless steel for durability and corrosion resistance?

The best type of stainless steel for durability and corrosion resistance is typically grade 316 stainless steel.


What are the different stainless steel grades, including 18-8, and how do they differ in terms of composition and properties?

Stainless steel grades vary in composition and properties. The 18-8 grade, also known as 304 stainless steel, contains 18 chromium and 8 nickel. Other common grades include 316, which has added molybdenum for increased corrosion resistance, and 430, which is less corrosion-resistant but more affordable. Each grade has unique characteristics that make them suitable for different applications.


What is JIS SUS304?

Japanese standard for stainless steel grade 304.