sa240 304
astm a312 tp304 specification
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.
304 grades have wonderful low temperature properties and respond nicely to hardening by cold working. 304 stainless steel plate grades have good welding characteristics and publish weld annealing is not normally required to restore performance. 304 SS plates have wonderful corrosion resistance in quite a lot of completely different media.
grade 304
- Aesteiron Steels is known as largest stockist and supplier of 304 stainless steel sheets and plates, We stock greater than 800 ton inventory of SA 240 Gr 304 material in 1mm to 120mm thickness and supply cut to dimension with 2B finish and #4 finish.
- Another difference, 316l can be used for weld therapy because it accommodates decrease carbon.
- ASTM A240 Grade 304 Sheet is austenitic stainless-steel stainless sheet and is available in many sizes, thickness and finishes.
- In ASTM A240, sort 316 and 316L is a chromium nickel austenitic steel, Element molybdenum addition can enhances corrosion resistance of stainless-steel, which is the primary issue that 316/316l is more corrosion resistant than 304/304l.
It can be used in an “as welded” situation, whereas 302 have to be annealed. AISI 304 is used in a variety of household and industrial purposes. The cause why AISI 304 grade stainless steel has wonderful corrosion resistance in the atmosphere is due to the formation of a chromium passivation film on its floor. But when SS304 is in a heat chloride surroundings, the corrosion is even quicker than non-alloy gentle steel.
astm s30400
We can pack ASTM A312 TP 316 Stainless Steel Seamless Pipe in order that they arrive ready to be used in good situation. If required we arrange for packaging additionally for sea freight, provide plastic caps or protection rings at the pipe ends and organise special marking. Type 304/304L is the trendy model of “18-8” stainless steel containing approximately 18% chromium and 8% nickel and is the most commonly specified stainless-steel used throughout the world. Type 304/304L is a versatile, general function stainless steel with good resistance to atmospheric corrosion, and to many chemicals and meals and beverages. These grades could be specified in the annealed condition the place they’ve superb formability. Higher nickel variations may be specified to enhance multi-stage deep drawing traits. Higher power, chilly-labored circumstances may also be specified for Type 304/304L for spring type purposes.
The equilibrium of austenitic of Grade S30400 permits it to be steadily deep drawn even when it not being annealed, which has based this grade prevalent in the production of drawn stainless parts for instance saucepans, sinks, pots and other equipment that are hole-ware. For such uses it is good to make the most of special type of UNS S30400 i.e. also known as deep draw high quality.
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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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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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Mechanical properties are round double that of a typical austenitic grade corresponding to 316. They would also normally supply greater stress cracking resistance in Chloride options for example.
The 18-8 stainless steels, principally Alloys 304, 304L, and 304H, are available in a variety of product forms including sheet, strip, and plate. The alloys are covered by quite a A240-304 stainless steel plates lot of specs and codes referring to, or regulating, building or use of equipment manufactured from these alloys for specific conditions.
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.
Our SS 304 Strips and coils are used in prime most dairy industries in India like Amul and Mother Dairy. Aesteiron can provide ss 304 1mm sheet value better than a supplier of Jindal stainless as a result of our cost is a minimum of 5% low in comparison with different sellers and distributors of Jindal in India as we raise the material in massive portions. We have hired retired engineers of JSW Steels Ltd so when you have any question related to 304 Stainless Steel Strips or SS 304 HR coil, AISI 304 chilly rolled sheet can mail to our technical staff at
Ensure that the weld accommodates 5-10% ferrite throughout welding to avoid cracking of the weld. Reduce the carbon content material, similar to utilizing 304L, stabilized stainless, or adding niobium , to keep away from weld corrosion. 304 could require subsequent reannealing after soldering or warmth remedy to realize optimum corrosion resistance, softness and ductility. Because intergranular corrosive chromium carbide is dissolved during the annealing course of. Sensitization happens when type 304 austenitic chrome steel is heated between 425 and 815 °C. Carbon and chromium combine to type chromium carbide, which precipitates on the crystal boundary, so the Cr content material near the grain boundary is tremendously reduced, and turns into a Cr-depleted area.
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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