304 astm
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.
In each case, the steel must be cooled from the annealing temperature to black warmth in less than three minutes. In addition to excellent corrosion resistance and energy properties, the Alloys 316 and 316L Cr-Ni-Mo alloys additionally provide excellent fabricability and formability that are typical of the austenitic stainless steels. This material is a combination of austenitic and ferritic material. This material has larger power and superior resistance to emphasize corrosion cracking. Ferritic grades have been developed to offer a gaggle of stainless steel to resist corrosion and oxidation, while being extremely proof against stress corrosion cracking. These steels are magnetic however can’t be hardened or strengthened by heat treatment.
ss sheet 2b finish
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.
304 stainless steel sheet suppliers
The machinability of stainless steel grade 430 is lots easier than standard austenitic steels corresponding to grade however there is a chance for galling. Lightly drawn bars are simpler to machine than bars in the annealed condition. The chemical compositions of assorted parts of grade 430 stainless steels are tabulated below. Despite their corrosion resistance, stainless steels want care in fabrication and use to keep up their floor look even beneath normal circumstances of service. The fatigue strength or endurance restrict is the utmost stress under which material is unlikely to fail in 10 million cycles in air surroundings.
430F is a high-sulfur free machining grade, and subsequently the resistance to pitting and crevice corrosion is comparatively lesser than these grades that are non-free machining. The mechanical properties for grade 430 stainless steels are listed in the table below. Minimum mechanical properties for annealed Alloys 304 and 304L austenitic chrome steel plate as required by ASTM specifications A240 and ASME specification SA-240 are shown below.
The corrosion resistance of Sandmeyer Steel 410S stainless-steel is much like kind 410. It resists corrosion in atmospheric situations, fresh water, delicate organic and mineral acids, alkalis and a few chemicals. Contains elevated chromium for larger corrosion resistance and good mechanical properties. Typical functions embrace high energy components similar to valves and pumps. Grade 430 is a ferritic, straight chromium, non-hardenable grade, combining good corrosion resistance and formability characteristics with helpful mechanical properties. Its capacity to withstand nitric acid assault permits its use in particular chemical functions however automotive trim and equipment components represents its largest fields of software.
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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The surest warmth remedy to accomplish each requirements is the solution anneal which is conducted within the 1850°F to 2050°F range (1010°C to 1121°C). Cooling from the anneal temperature must be at sufficiently excessive charges via °F (816°C – 427°C) to keep away from reprecipitation of chromium carbides. One of essentially the most versatile and generally used stainless steels available on the market, Grade 304 chrome steel is probably the most commonplace used alloy of this sort. Essentially, Grade 304 is an austenitic chromium alloy which is also called an “18/8” stainless as the make-up of the metal is eighteen% chromium and eight% nickel. Grade 430 is ferritic chromium metal, with helpful corrosion resistance. It has good formability and fabrication traits, although inferior to the austenitic stainless steels.
astm a554 grade mt304
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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 |
|
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 |
|
|
ASME SA240 304 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
18.0-20.0 |
8.0-10.5 |
|
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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To present material at the most effective level of corrosion resistance, low carbon material must be used for materials put in service in the welded situation. Alternately, full annealing dissolves the chromium carbide and restores a excessive level of corrosion resistance to the usual carbon content material supplies. The Alloys 304 and 304L are typical of the austenitic stainless steels. Our SS 304 Strips and coils are used in top most dairy industries in India like Amul and Mother Dairy. Aesteiron can supply ss 304 1mm sheet value better than a dealer of Jindal stainless as a result of our value is a minimum of 5% low in comparison with different dealers and distributors of Jindal in India as we raise the fabric in large quantities. We have employed retired engineers of JSW Steels Ltd so in case you have any question related to 304 Stainless Steel Strips or SS 304 HR coil, AISI 304 cold rolled sheet can mail to our technical group at It is troublesome to make a sound structural weld in grade 430 by fusion strategies.
CS 430 is a low-carbon plain chromium ferritic stainless steel.The metal has good corrosion resistance in mildly corrosive environments and good resistance to oxidation at elevated temperatures. Suitable various grades that may be chosen as an alternative of grade 430 stainless steelgrades that can be chosen instead of grade 430 stainless-steel are listed within the table below. A temperature gradient is produced in the A240-304 stainless steel plates material being welded which ranges from above the melting temperature within the molten pool to ambient temperature at a long way from the weld. The higher the carbon level of the fabric being welded, the higher the chance that the welding thermal cycle will result within the chromium carbide precipitation which is detrimental to corrosion resistance.
- The alloys are coated by quite a lot of specs and codes referring to, or regulating, development or use of equipment manufactured from these alloys for particular circumstances.
- Food and beverage, sanitary, cryogenic, and strain-containing purposes are examples.
- AISI 316 is best than grade 304 in certain properties, corrosion resistance and STAINLESS STEEL L304L – W.
- The 18-8 stainless steels, principally Alloys 304, 304L, and 304H, can be found in a wide range of product forms together with sheet, strip, and plate.
AISI 316 is best than grade 304 in sure properties, corrosion resistance and STAINLESS STEEL L304L – W. The austenitic stainless steels are provided within the mill annealed condition ready for use. Heat therapy may be essential throughout or after fabrication to take away the consequences of chilly forming or to dissolve precipitated chromium carbides resulting from thermal exposures. For the Alloys 316 and 317L the answer anneal is completed by heating within the 1900 to 2150°F (1040 to 1175°C) temperature range followed by air cooling or a water quench, depending on part thickness. Cooling must be sufficiently speedy by way of the 1500 to 800°F (816 to 427°C) range to keep away from reprecipitation of chromium carbides and provide optimum corrosion resistance.
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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