stress relieving 304 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.
For these purposes it is not uncommon to make use of particular “304DDQ” variants. Grade 304 is readily brake or roll formed into a wide range of components for functions within the industrial, architectural, and transportation fields. Post-weld annealing isn’t required when welding skinny sections. We are manufacturer and stockiest of Stainless Steel 304 Coil, AISI 304 Stainless Steel Coil, SUS 304 Coil , ASTM A Stainless steel coil. We offers quality 304 Stainless Steel Coils can be found in varied grades and specs. These coils are made from the finest quality stainless-steel and can be found in several dimensions, thickness, grades and hardness.
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304 Stainless Steel Sheets endures corrosion from most oxidising acids and is generally used for meals and kitchen functions. Machining Grade 304 Sheets (DIN 1.4301) has a soaring resistance to rust. Machining Grade 304 Steel Plates are variants of the 8 % nickel and 18 p.c chromium alloy, which is most often used within the family of chrome steel.
The 17-7 contains chromium, nickel, and aluminum as its major alloying parts. METALFORT are one of the best provider and manufacturer of Stainless Steel 304, 304L, 304H, 310, 310H, 316, 316H, 316L, 317, 317L, 316Ti, 321, 347, 347H, 410, 446, 904L, 202, 410s, 430, 439, 441, 409 Slitting Coils.
We store in quarter hard to complete troublesome temperatures 301 chrome steel coil. AISI 301 chrome steel is austenitic and hards quicker than other grades owing to its decreased chromium-nickel content material. Leveraging on our vast industry expertise, we’re providing a broad range of 310 Stainless Steel Coil. Under experts’ direction, this metal coil is manufactured with excessive precision utilizing high quality tested 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.
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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Grade 304H has higher energy at elevated temperatures so is commonly used for structural and pressure-containing purposes at temperatures above 500 °C as much as about 800 °C . 304H will turn out to be sensitized in the temperature range of °C. Whilst this is not an issue for prime-temperature functions, it’ll result in reduced aqueous corrosion resistance. Grade 304 chrome steel is superb in a wide range of atmospheric environments and many corrosive media.
304 stainless steel hrc
The Lockheed-Martin Joint Strike Fighter is the primary plane to use a precipitation-hardenable chrome steel – Carpenter Custom 465 – in its airframe. Custom 465 is a premium, double vacuum-melted, martensitic age-hardeneable stainless steel alloy that combines glorious strength, toughness, and corrosion resistance. It is popular in lots of industries as a result of its low life cycle cost. It is usually used for purposes where gentle corrosion, heat resistance, and high strength are anticipated to be encountered.
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Product Type |
A 240 304 Sheet, A 240 304 Plate |
|
SS 304 ASTM Standard Specification |
ASTM A240 / ASME SA240 |
|
Thickness |
0.1 to 3000 mm Thk |
|
Width |
10-2500mm |
|
Length |
2m, 2.44m, 3m, or as required |
|
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 (%) |
||||||
|
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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Thus it may be fashioned utilizing many gentle roll forming, stretch-bending or pressing processes. Grade 409 Stainless Steel Coils is as properly utilized in Catalytic converters, Mufflers, Tailpipes, Farm gear, Structural support and hangers, Transformer cases, Furnace components, Heat exchanger tubing, and more. Ferritic stainless steels typically have better engineering properties than austenitic grades, however A240-304 stainless steel plates have reduced corrosion resistance, as a result of lower chromium and nickel content. They comprise between 10.5% and 27% chromium and very little nickel, if any, but some sorts can comprise lead. Most compositions embrace molybdenum; some, aluminium or titanium. Common ferritic grades embrace 18Cr-2Mo, 26Cr-1Mo, 29Cr-4Mo, and 29Cr-4Mo-2Ni.
- Ensuring to give high quality of materials, these can additional be custom-made when it comes to sizes, shapes and thicknesses as per the exact wants of our venerated patrons.
- Our vary of Inconel Plates is available in numerous sizes and grades for to fulfill the requirement of fabrication, building industries, heavy engineering, and so forth.
- Grade 420 stainless steel is a excessive-carbon metal with a minimum chromium content of 12%.
- Our products are being used for several applications corresponding to in petroleum, energy, paper making, gas metallurgy, chemical, aviation, medical equipment, boiler warmth, ship building, exchanger, development, and more.
- We are offering these sheets and plates at market leading costs.
- We supply these Inconel Sheets which are out there within the variable lengths, grades and sizes.
We are manufacturing and exporting a variety of Duplex Steel Sheets and Plates across the globe. The well-known duplex steel plate and sheets grade out there with us are S and S 32205. These plates are manufactured utilizing flaw-free high grade steels to keep up its international requirements. It is usually used by the big industries for numerous functions.
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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