What are the mechanical properties of 304 stainless steel?
Mechanical Properties of Stainless Steel 304
| Grade | 304 | 304L |
|---|---|---|
| Tensile Strength (MPa) | 500 – 700 | 500 – 700 |
| Proof Stress (MPa) | 190 | 175 Min |
| Elongation A50 mm | 45 Min % | 45 Min % |
| Hardness Brinell | 215 Max HB | 215 Max HB |
What are the mechanical properties of stainless steel?
They have magnetic properties, too, offers good ductility, tensile-property stability, and resistance to corrosion, thermal fatigue, and stress-corrosion cracking.
What is material ss304?
Type 304 stainless steel is a T 300 Series Stainless Steel austenitic. It has a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. It is defined as a Chromium-Nickel austenitic alloy. Grade 304 is the standard “18/8” stainless that you will probably see in your pans and cookery tools.
What is the hardness of stainless steel 304?
304 steel has a Rockwell B hardness of 70; for reference, the Rockwell B hardness of copper, a soft metal, is 51. Simply put, 304 steel is not as hard as some of its stainless steel brothers such as 440 steel (see our article on 440 steel for more information), but still holds its own as a tough general purpose steel.
What is the composition of 304 stainless steel?
Type 304 is the most versatile and widely used stainless steel. It is still sometimes referred to by its old name 18/8 which is derived from the nominal composition of type 304 being 18% chromium and 8% nickel. Type 304 stainless steel is an austenitic grade that can be severely deep drawn.
How do you identify SS 304?
If the color changes from yellow to pink, we are in the presence of a stainless steel containing molybdenum (AISI 316). If the yellow stain disappears, we are in the presence of a stainless steel that does not contain molybdenum (AISI 304).
What is type 304 stainless steel?
Type 304, with its chromium-nickel content and low carbon, is the most versatile and widely used of the austenitic stainless steels. Its alloys are all modifications of the 18% chromium, 8% nickel austenitic alloy. Type 304 proves to be resistant to oxidation, corrosion, and durability.
What is 304 stainless steel material?
What is the difference between 304 and T304 stainless steel?
A: T304 is the grade of stainless steel. 304 is the most common type of stainless steel. Each type of stainless steel has advantages and disadvantages. This type is suited for use as a sink as long as you plan… see more.
Is 304 stainless steel machinable?
Type 304 is more machinable than 316 stainless steel. Not only is grade 304 steel easier to machine but it is easier to clean. That is one reason why it comes in so many different finishes. That is also why it is used on surfaces that are visible to the public.
What is the hardness of ss304?
AISI Type 304 Stainless Steel
| Physical Properties | Metric | English |
|---|---|---|
| Hardness, Knoop | 138 | 138 |
| Hardness, Rockwell B | 70 | 70 |
| Hardness, Vickers | 129 | 129 |
| Tensile Strength, Ultimate | 505 MPa | 73200 psi |
What are the physical properties of 304 stainless steel?
Physical properties for 304 stainless steel alloys Stainless steel 304 also corresponds to the following standard designations and specifications: Stainless steel 304 has excellent corrosion resistance in a wide variety of environments and when in contact with different corrosive media.
Why is AISI 304 grade stainless steel so resistant to corrosion?
The reason why AISI 304 grade stainless steel has excellent corrosion resistance in the atmosphere is due to the formation of a chromium passivation film on its surface. But when SS304 is in a warm chloride environment, the corrosion is even faster than non-alloy mild steel.
What should the forging temperature be for 304 stainless steel?
Type 304 stainless steel typical forging temperature is 925-1260 ℃ (1700-2300 ℉). AISI SAE ASTM 304 stainless steel can’t be hardened by heat treatment but can be hardened by cold working. When the weldment is not suitable for full annealing, the residual stress of SS304 grade stainless steel can be moderately reduced below 450 °C.
When to use Grade 304 stainless steel in water?
However, continuous use at 425-860°C is not recommended if corrosion resistance in water is required. In this instance 304L is recommended due to its resistance to carbide precipitation. Where high strength is required at temperatures above 500°C and up to 800°C, grade 304H is recommended. This material will retain aqueous corrosion resistance.