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304 stainless steel 304 ss plate price

Grade 304/304L is resistant to atmospheric corrosion, in addition to a reasonable oxidizing and reducing environment. It has excellent resistance to intergranular corrosion in the as-welded state. ASTM A /304L Dual Grade has excellent strength and toughness at low temperatures. After cold rolling, it is subjected to hot repair, pickling or other repair, and finally cold rolling to achieve an acceptable gloss.

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Each type of stainless steel is graded, usually in a series. These series classify the different types of stainless from 200 to 600, with many categories in between. Each comes with distinct properties and falls into families including:

austenitic: non-magnetic
ferritic: magnetic
duplex
martensitic and precipitation hardening: high strength and good resistance to corrosion
Here, we explain the difference between two common types found on the market — 304 and 304L.

Type 304 is the most widely used austenitic stainless steel. It is also known as “18/8” stainless steel because of its composition, which includes 18% chromium and 8% nickel. Type 304 stainless steel has good forming and welding properties as well as strong corrosion resistance and strength.

 

This kind of stainless steel also has good drawability. 304 Stainless Steel Plate can be formed into a variety of shapes and, in contrast to type 302 stainless, can be used without annealing, the heat treatment that softens metals. Common uses for 304 Stainless Steel Plate are found in the food industry. It’s ideal for brewing, milk processing, and wine-making. 304 Stainless Steel Plate is also suitable for pipelines, yeast pans, fermentation vats, and storage tanks.​

 

304 Stainless Steel Plate is also found in sinks, tabletops, coffee pots, refrigerators, stoves, utensils, and other cooking appliances. 304 Stainless Steel Plate can withstand corrosion that can be caused by various chemicals found in fruits, meat, and milk. Other areas of use include architecture, chemical containers, heat exchangers, mining equipment, as well as marine nuts, bolts, and screws. 304 Stainless Steel Plate is also used in mining and water filtration systems and in the dyeing industry.

 

Type 304L stainless steel is an extra-low carbon version of the 304 steel alloy. The lower carbon content in 304 Stainless Steel Plate minimizes deleterious or harmful carbide precipitation as a result of welding. 304L can, therefore, be used “as welded” in severe corrosion environments, and it eliminates the need for annealing.

 

This grade has slightly lower mechanical properties than the standard 304 grade, but is still widely used thanks to its versatility. Like 304 Stainless Steel Plate, it’s commonly used in beer-brewing and wine-making, but also for purposes beyond the food industry such as in chemical containers, mining, and construction. It is ideal for use in metal parts such as nuts and bolts that are exposed to salt water.

 

Physical properties for Type 304/304L stainless steel
Property 304/304LData
Density, lb/in3 0.285
Modulus of Elasticity, psi 28 x 106
Coefficient of Thermal Expansion, 68-212˚F, /˚F 9.2 x 10-6
Thermal Conductivity, Btu/ft hr ˚F 9.4
Specific Heat, Btu/lb ˚F 0.12
Electrical Resistivity, Microohm-in 28.3

 

Standards
Typical standards for Type 304/304L stainless steel
304 304L
ASTM A240 ASTM A240
ASTM A666 ASTM A666
ASME SA240 ASME SA240
AMS 5513 AMS 5511
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