ss304 magnetic
Gangsteel produce ASTM A240 304 Stainless steel plates, S30400, A240 Type 304 Stainless steel cutting parts by water cutting, laser cutting and cnc cutting. ASTM a240 (chromium and chromium nickel stainless steel plate, sheet, and strip for pressure essels and general applications. a240 304 stainless steel is a common material in stainless steel with a density of 7.93g/cm3, which is also called 18 / 8 stainless steel in the industry. High temperature resistant 800 ��, with good processing performance and high toughness, it is widely used in industry, furniture decoration industry and food and medical industry.
Alloy 304 is the usual alloy since AOD technology has made lower carbon ranges extra easily attainable and economical. Alloy 304L is used for welded products which may be uncovered to conditions which could cause intergranular corrosion in service. Alloy 304H is a modification of Alloy 304 in which A240-304 stainless steel plates the carbon content material is managed to a range of 0.04-0.10 to provide improved high temperature power to components exposed to temperatures above 800°F.
304 contains at most 0.08% carbon while 304 L accommodates at most 0.03% carbon. There can be a slight distinction within the nickel levels within the stainless-steel plate. 304 stainless steel plate can contain up to 10.5% nickel while 304L can contain up to 12% nitrogen. 304 and 304L ASTM A240 stainless-steel plate is a standard 18-eight materials – that means it incorporates 18% chromium and 8% nickel.
304 stainless flat bar
304 and 304L stainless-steel plates are a part of the austenitic family of stainless-steel and they’re one of the most versatile and extensively used kinds of stainless plate. They are a relatively low value stainless product and utilized in quite a lot of purposes. 304 grades have excellent low temperature properties and respond properly to hardening by cold working. 304 chrome steel plate grades have good welding traits and submit weld annealing just isn’t normally required to restore performance. 304 SS plates have excellent corrosion resistance in quite a lot of completely different media. Typical specifications for 304 and 304L ss plates are ASTM A-240, ASME SA -240 and A666.
astm 304 stainless steel
06cr19ni10 and SUS304 are the common marking methods on the market, among which 06cr19ni10 generally refers to national standard production, 304 generally refers to ASTM standard production, and SUS 304 refers to Japanese standard production.
304 is a kind of universal stainless steel, which is widely used to make equipment and parts with good comprehensive performance (corrosion resistance and formability). In order to maintain the inherent corrosion resistance of stainless steel, the steel must contain more than 18% chromium and more than 8% nickel. The stainless steel is produced according to ASTM 304.
ss 304 sheet thickness
To protect the steel plate from oxidation, and improve the corrosion resistance of the metal plate. Stainless steel plate inlcudes plates of stainless steel and acid-resistant steel, it has type of forms as plates, coils and sheets, common use grades are 304/304L and 316/316L, 321 and and so on. A temperature gradient is produced in the materials being welded which ranges from above the melting temperature within the molten pool to ambient temperature at some distance from the weld. The greater the carbon stage of the material being welded, the larger the likelihood that the welding thermal cycle will outcome within the chromium carbide precipitation which is detrimental to corrosion resistance. To present materials at the best stage of corrosion resistance, low carbon material must be used for material put in service in the welded situation. Alternately, full annealing dissolves the chromium carbide and restores a high stage of corrosion resistance to the standard carbon content material materials. Exposure of the 18-eight austenitic stainless steels to temperatures within the 800°F to 1500°F (427°C to 816°C) vary could cause precipitation of chromium carbides in grain boundaries.
Product standard a240 304 stainless steel:For a240 304 stainless steel, the Ni element in its composition is very important, which directly determines the corrosion resistance of 304 stainless steel and its value.The most important elements in 304 are Ni and Cr, but they are not limited to these two elements. Specific requirements are specified by product standards. It is considered that 304 stainless steel can be considered as long as Ni content is more than 8% and Cr content is more than 18%. This is why the industry will call this kind of stainless steel 18 / 8 stainless steel. In fact, the relevant product standards have very clear provisions for 304, and these product standards have some differences for different shapes of stainless steel. Here are some common product standards and tests.
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Product Type |
A 240 304 Sheet, A 240 304 Plate |
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SS 304 ASTM Standard Specification |
ASTM A240 / ASME SA240 |
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Thickness |
0.1 to 3000 mm Thk |
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Width |
10-2500mm |
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Length |
2m, 2.44m, 3m, or as required |
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Finish |
2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
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Hardness |
Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
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Form |
Sheet, Plate, Strip, Flats, Clad Plate, Coils, Foils, Plain Sheet, Flat Shim, Flat Sheet, Shim Sheet, Rolling Sheet, Rolling Plate, Rolls, Blank (Circle), soft annealed, descaled, tread plate, sheared, annealed, Checker Plate |
A240 304 Stainless Application scope
System description: A240 304 stainless steel is the most widely used chromium-nickel stainless 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.
, No heat treatment hardening phenomenon (use temperature -196℃～800℃).
Corrosion resistant in the atmosphere, if it is an industrial atmosphere or heavily polluted areas, it needs to be cleaned in time to avoid corrosion.
It is suitable for food processing, storage and transportation.
Has good processing properties and weldability.
Plate heat exchangers, bellows, household products (category 1, 2 tableware, cabinets, indoor pipelines, water heaters, boilers, bathtubs), auto parts (windshield wipers, mufflers, molded products), medical appliances, building materials, chemicals, food industry
, Agriculture, ship parts, etc.
304 stainless steel is a nationally recognized food grade stainless steel.
A 240 Gr 304 Mechanical Properties
| Grade |
ASME SA240 304 Mechanical Strength |
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Yield |
Tensile |
Elongation |
Hardness, max |
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ASME SA240 304 |
Min Mpa |
Mpa |
Min % |
Brinell |
Rockwell B |
|
205 |
515 |
40% |
201 |
92 |
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A 240 Gr 304 Chemical Composition
| Plate Grade |
The Element Maximum (%) |
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C |
Mn |
P |
S |
Si |
Cr |
Ni |
|
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ASME SA240 304 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
8.0-10.5 |
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Mo |
N |
Cu |
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0.10 |
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For a240 304 stainless steel, the Ni element in its composition is very important, which directly determines the corrosion resistance and value of 304 stainless steel.
The most important elements in 304 are Ni and Cr, but they are not limited to these two elements.
Specific requirements are stipulated by product standards.
The common judgment in the industry is that as long as the Ni content is greater than 8% and the Cr content is greater than 18%, it can be considered as 304 stainless steel.
This is why the industry calls this type of stainless steel 18/8 stainless steel.
In fact, the relevant product standards have very clear regulations on 304, and these product standards have some differences for different shapes of stainless steel.
Below are some common product standards and tests.
ASTM A240 Equivalent AISI 304 stainless steel sheet
|
a 240 gr |
JIS G4304 |
ASTM |
UNS |
KS |
EN 10095 |
AS |
CNS |
|
a 240 gr 201 |
SUS201 |
201 |
S20100 |
STS201 |
1.4372 |
201-2 |
201 |
|
a 240 gr 202 |
SUS202 |
202 |
S20200 |
STS202 |
1.4373 |
– |
202 |
|
a 240 gr 301 |
SUS301 |
301 |
S30100 |
STS301 |
1.4319 |
301 |
301 |
|
a 240 gr 304 |
SUS304 |
304 |
S30400 |
STS304 |
1.4301 |
304 |
304 |
|
a 240 gr 304L |
SUS304L |
304L |
S30403 |
STS304L |
1.4306 |
304L |
304L |
|
a 240 gr 304N |
SUS304N1 |
304N |
S30451 |
STS304N1 |
1.4315 |
304N1 |
304N1 |
|
a 240 gr XM21 |
SUS304N2 |
XM21 |
S30452 |
STS304N2 |
– |
304N2 |
304N2 |
|
a 240 gr 304LN |
SUS304LN |
304LN |
S30453 |
STS304LN |
– |
304LN |
304LN |
A240 304 stainless steel plate property requirement.
Tensile strength σb (MPa)≥515-1035
Conditional yield strength σ0.2 (MPa)≥205
Elongation δ5 (%)≥40
Reduction of area ψ (%)≥?
Hardness: ≤201HBW; ≤92HRB; ≤210HV
Density (20℃, g/cm³): 7.93
Melting point (℃): 1398~1454
Specific heat capacity (0~100℃, KJ·kg-1K-1): 0.50
ASTM / AISI/ SAE, DIN, Werkstoff grades or equivalents:
|
ASTM |
BS 970 1991 |
AISI / SAE |
Werkstoff |
|
A240 SS 304L |
304S11 |
304L |
1.4306 |
|
A240 SS 304 |
304S15 |
304 |
1.4301 |
|
A240 SS 316L |
316S11 |
316L |
1.4404 |
|
A240 SS 316L |
316S13 |
316L |
1.4435 |
|
A240 SS 316 |
316S31 |
316 |
1.4401 |
|
A240 SS 316 |
316S33 |
316 |
1.4436 |
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304 Stainless steel plate is likely one of the most versatile chrome steel materials out there. Grades 304 and 304L chrome steel plate is dominant in the manufacture of chrome steel fabrications. 304 stainless-steel plate could be braked shaped into a wide range of parts for applications within the industrial, architectural, and transportation sectors. The time period ‘corrosion resistant metal’ is used when the alloy has less than the 12% minimum of chromium, for instance in the aviation business. There are completely different grades and surface finishes of stainless-steel, relying on where it will be used. Stainless steels have the next resistance to oxidation and corrosion in lots of natural and man-made environments; however, it is important to select the correct kind of stainless-steel for the use.
- As such, there are now different and easily accessible grades and surface finishes of stainless steel plate, to go well with the environment to which the fabric will be subjected to in its lifetime.
- The name originates from the truth that stainless steel does not stain, corrode or rust as easily as odd steel.
- Stainless metal Plate, Sheet is defined as a ferrous alloy with a minimal of 10% chromium content.
- All elements in ths graded plates represents a superb combination of corrosion resistance and fabricability.
- This material can be known as corrosion-resistant metal when it is not detailed precisely to its alloy sort and grade, significantly in the aviation trade.
Such steels are “sensitized” and topic to intergranular corrosion when exposed to aggressive environments. The carbon content of Alloy 304 may enable sensitization to occur from thermal situations skilled by autogenous welds and warmth-affected zones of welds. For this cause, the low carbon Alloy 304L is most well-liked for applications in which the material is put into service within the as-welded condition. Low carbon content material extends the time necessary to precipitate a harmful stage of chromium carbides but doesn’t remove the precipitation response for materials held for lengthy instances within the precipitation temperature vary. Continuous use of 304 and 304L stainless steel plate in the °F vary isn’t beneficial if aqueous corrosion resistance is necessary. The Main distinction between these two stainless steel plates is the amount of carbon contained within each metal.
We are supplying chrome steel plates as per varied international requirements and specifications like ASTM, AISI, BS, DIN, JIS and so forth. The technical advice and recommendations made in this Product Data Sheet shouldn’t be relied or acted upon with out conducting your individual additional investigations, together with corrosion exposure tests where needed. Austral Wright Metals assumes no legal responsibility in connection with the knowledge in this Product Data Sheet. Austral Wright Metals provides a comprehensive vary of stainless steels, copper alloys, nickel alloys and other high efficiency metals for difficult service circumstances. Our engineers and metallurgists shall be pleased to provide further information and purposes advice. Refer to chemical composition 316 stainless-steel incorporates factor Mo, which is the explanation that 316/316L has higher corrosion resistance than 304/304L, especially in high temperature situations. Therefore, engineers usually choose 316 material in excessive temperature environments.
The low carbon model, 304L sheets are very good for welding applications as they have much less carbide precipitation and less localized corrosion. The ASME SA240 Stainless Steel 304 Coil Thickness ranges as much as 200mm and the width and the length ranges widely depending on the applying requirements as well. Although both 304 and 304L stainless steel plate have similar chemical properties, there are a number of noticeable differences.
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In order to determine whether a material is 304 stainless steel, it must meet the requirements of each element in the product standard. As long as one does not meet the requirements, it cannot be called 304 stainless steel. Gangsteel produce A240 304 Stainless steel plate, if you have requirement for stainless steel plate, please feel free to contact us by admin@gangsteel.com