aisi 304 hrc
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.
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.
astm a312 304
To place an order or in case you have questions please contact us right now at . When Stainless Steel is chosen for its resistance to corrosion you will need to use the proper sort or grade. Since stainless-steel is an alloy of iron when the metal does corrode it’s in the type of rust. There can also be “Pitting Corrosion” which is often brought on by acid chloride.
Stainless steels containing molybdenum are required within the manufacture of sure pharmaceuticals so as to avoid extreme metallic contamination. The bottom line is that Type 316 stainless steel prices slightly more upfront but you would save a complete lot on the again end – especially if your enclosure goes to be used outside. Something worth keeping in mind when you’re designing your subsequent enclosure.
The slightly greater price level of 316 is properly worth it in areas with excessive chloride publicity, especially close to the ocean or by heavily salted roadways. Each software for chrome steel has unique demands and wishes a chrome steel that’s as much as the task. As a kind of widely used steel, it has good corrosion resistance, warmth resistance, low temperature strength and mechanical properties. No warmth remedy hardening phenomenon (no magnetic , use temperature -196 ° C ~ 800 ° C). Stainless 316 is more expensive as a result of it supplies the next corrosion resistance, particularly in opposition to chlorides and chlorinated options.
304 stainless steel round bar
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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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Other parts are added and the chromium content material elevated to enhance the corrosion resistance and heat-resisting properties, improve mechanical properties, and / or enhance fabricating characteristics. There are over 50 stainless-metal grades that were initially acknowledged by the American Iron and Steel Institute (AISI.) Three common classifications are used to identify stainless-steel. Among alloy varieties, “304” is the fundamental chromium-nickel austenitic stainless steel and has been discovered appropriate for a variety of functions. It is probably the most readily available in quite a lot of product types. This grade is straightforward to form and fabricate with wonderful resistance to corrosion. 316 and 316L stainless steel are molybdenum-containing stainless-steel. Under excessive temperature circumstances, when the concentration of sulfuric acid is decrease than 15% and better than 85%, 316 Stainless metal has a wide range of makes use of.
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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astm a240 304
316 chrome steel also has good resistance to chloride corrosion and is therefore commonly used in marine environments. 316L stainless-steel has a maximum carbon content of 0.03 and can be used in applications where annealing is not potential and most corrosion resistance is required. Due to the addition of molybdenum, grade 316 stainless-steel is more corrosion resistant than related alloys, similar to 304 stainless-steel.
Due to its non-reactive qualities, 316 can be used within the manufacture of medical surgical instruments. In addition, it is the popular materials within the pharmaceutical sector, where reaction vessels should be extraordinarily clean. The second most regularly-used austenitic stainless-steel is the 316 grade , which is also called marine grade stainless, and used primarily for its increased resistance to corrosion. Type 316 is fundamentally an austenitic chromium- nickel stainless-steel that accommodates an additional 2-3% molybdenum. Type 304 alloys are all modifications of the 18% chromium, eight% nickel austenitic alloy.
- Two of the extra generally used grades of austenitic stainless steel are grades 304 and 316.
- Possessing glorious mechanical properties, the high amounts of nickel and chromium in austenitic stainless steels also provide excellent corrosion resistance.
- Additionally, many austenitic stainless steels are weldable and formable.
It’s capacity to resist acids and chlorides, together with salt, makes grade 316 perfect for chemical processing and marine purposes. The major condition for stainless steels is that they need to be corrosion resistant for a specified software or setting. Selection of a perfect A240-304 stainless steel plates ‘grade’ of stainless-steel must meet the corrosion resistance needs together with the bodily or mechanical properties required to realize the whole service performance requirements.
Under excessive temperature situations, 316 stainless-steel has a variety of uses when the focus of sulfuric acid is under 15% and above eighty five%. 316 chrome steel additionally has good chloride attack properties. Can be used in purposes the place annealing isn’t attainable after soldering and the place maximum corrosion resistance is required. 316 and 316L stainless steels are molybdenum-containing stainless steels. Because of molybdenum in steel, the general efficiency of 316L stainless steel is healthier than that of 310 and 304 chrome steel. At excessive temperature, 316 chrome steel has a wide range of makes use of when the focus of sulphuric acid is decrease than 15% and higher than eighty five%. 316 stainless-steel also has good chloride corrosion performance, so it’s normally utilized in marine surroundings.
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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