304 steel
ss 304 grade stainless steel
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.
Type 304/304L makes up over 60% of all the stainless steel made in world today. 304 / 304L stainless-steel, also referred to as 18/8 stainless and often referred to as 302, is the commonest chrome steel. 304 stainless steel accommodates A240-304 stainless steel plates a higher chromium and lower carbon content than other variations of type 302. It can be used in an “as welded” situation, while 302 should be annealed. AISI 304 is utilized in a variety of family and industrial functions.
steel railing 304
- Heat treatment could also be necessary throughout or after fabrication on these plates to take away the results of chilly forming or to dissolve precipitated chromium carbides resulting from thermal exposures.
- These alloys represent a superb combination of corrosion resistance and fabricability.
- The 304L Stainless steels plates are provided within the mill annealed situation prepared for use.
- Cooling of these Stainless 316 plates should be sufficiently rapid from 1500°F to 800°F (816 °C to 427°C) vary to keep away from reprecipitation of chromium carbides and supply optimum corrosion resistance.
- For the stainless 316 plates the solution anneal is completed by heating within the 1010°C to 1120°C temperature vary followed by air cooling or a water quench, relying on section thickness.
AMS Strip & Grade 304 Coil is however vulnerable to corrosion from chloride options, notably saline environments with excessive quantities of sodium chloride . Grade ASTM A Stainless Steel is the standard “18/8” stainless; it’s the most versatile and most generally used stainless steel, obtainable in a wider vary of merchandise, forms and finishes than some other.
sae 304l
The chrome steel alloy resists most oxidizing acids and can withstand ordinary rusting though this does not mean that the steel will not tarnish over time. For stainless steel sections that are welded closely, publish-weld annealing may be needed to supply most corrosive resistance. The specification of the sheets is the A240 for pressure vessel and excessive temperature purposes. The ASTM A240 SS 304 Sheet can face up to excessive temperatures as much as 870 levels Celsius. The sheets are used because of this in evaporators, heat exchangers and in different excessive temperature functions. The Stainless Steel 304 Plate can also be utilized in drums, barrels, dairy gear, meals processing and in hospital gear.
304L is a good lower carbon model of 304 stainless-steel and can be used in more corrosive environments such as salt water and chemical containers. All chrome steel 304L plates are packed in wooden pallets to go well with the special situations for international deliveries and can also customized as per buyer’s particular necessities. 304L Stainless steel austenitic plates are non-magnetic in the annealed, totally austenitic situation. The magnetic permeability of these plates in the annealed condition is generally less than 1.02 at 200 H .
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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We provide high-high quality 304/304L plate and 304/304L sheet conforming to IS, BS, ASTM, UNS specifications for a lot of applications together with custom fabrication and construction projects. We are a dependable suppliers of permitted pipes, fittings and flanges as well as particular items from European, Indian and Japanese origin, accredited to Norsok M-650 for the oil and gas sector, shipyards and land-based business. Diamond plate, also referred to as a chequered plate, thread plate and ground plate, is a kind of steel designed with an everyday sample of raised diamonds or traces on one facet, with the reverse side being featureless. This type of fabric is utilized in circumstances whereby power and sturdiness are of the utmost significance. The commonest Austenitic grade is Type 304/304L. All other grades are developed from the 18-8 base by including alloying elements to supply special corrosion-resistance, improved properties or better weldability.
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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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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.
All components in ths graded plates represents a wonderful mixture of corrosion resistance and fabricability. This mixture of properties is the reason for the in depth use of those plates which characterize nearly one half of the entire stainless-steel plates manufacturing. The 18-eight stainless steels, principally Grade 304L are available in a variety of product varieties together with sheet, strip, and plate. The alloys are lined by quite a lot of specs and codes regarding, or regulating, building or use of kit manufactured from these plates for particular circumstances. Food and beverage, sanitary, cryogenic, and stress-containing purposes are frequent examples. Nandishwar Steel is concerned in Manufacturing & Exporting of high quality stainless-steel 304 sheets, stainless-steel 304L plates, stainless-steel 304 coils in thickness of 0.3mm to 120mm. We also deal in Nickel and copper alloy, Stainless & Duplex Steel, Carbon & Alloy Steel, are the materials that are used for designing of stainless-steel sheet, plate and coil.
Sheet Coils are flat merchandise wound into rolls and having an oblong cross-section, the width of which is far bigger than the thickness. Hot Rolled Sheet Coil is produced from semifinished products , which are reduced to certain thicknesses by rolling and annealing and wound right into a roll. Cold-rolled steel Coil is a extra extremely finished product and has a smoother floor, larger dimensional accuracy and larger energy. We have a fair price coverage for all our prospects with greatest delivery schedule. The austenitic stainless steels are warmth treated to remove the results of cold forming or to dissolve precipitated chromium carbides.
The surest warmth remedy to perform each necessities is the answer anneal which is carried out in the 1850°F to 2050°F vary (1010°C to 1121°C). Cooling from the anneal temperature ought to be at sufficiently excessive charges through °F (816°C – 427°C) to keep away from reprecipitation of chromium carbides. A temperature gradient is produced in the 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 degree of the fabric being welded, the higher the likelihood that the welding thermal cycle will end result within the chromium carbide precipitation which is detrimental to corrosion resistance. To provide material at one of the best level of corrosion resistance, low carbon material should be used for materials put in service in the welded condition.
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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