material sus 304
aisi 4301
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.
It was developed for enhanced creep resistance and for greater power at temperatures above 1000°F (537°C). In most situations A240-304 stainless steel plates, the carbon content of the plate enables twin certification.
304 stainless steel gauge
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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 |
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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 |
||||
|
Yield |
Tensile |
Elongation |
Hardness, max |
||
|
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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s30400 the
410S is usually thought-about to have barely poorer weldability than the most typical ferritic chrome steel grade 409. A main difference could be attributed to the alloy addition to regulate hardening which ends up in the need for higher warmth input to realize penetration during arc welding. When a weld filler is required, AWS E/ER 309L or 430 filler material is most often specified. It is annealed within the 1600 – 1650°F (871 – 899°C) vary and then air cooled to alleviate chilly working stresses. 410S shouldn’t be exposed to temperatures of 2000°F (1093°C) or above as a result of embrittlement. If extreme massive grains are encountered after annealing mildly cold-labored materials, the annealing temperature ought to be decreased to a range of 1200 – 1350°F (649 – 732°C) vary.
Its chemical composition, mechanical properties, weldability and ncorrosion/oxidation resistance provide the best all-round performance stainless steel at relatively low value. It also has excellent low temperature properties and responds well to hardening by chilly working. If intergranular corrosion in the heat affected zone could happen, it is advised that CS 304L be used. The Alloys 304, 304L, and 304H austenitic stainless steels present helpful resistance to corrosion on a variety of reasonably oxidizing to reasonably reducing environments. The alloys are used broadly in tools and utensils for processing and handling of food, drinks, and dairy products. Heat exchangers, piping, tanks, and other process gear in touch with fresh water also utilize these alloys. Alloy 347H chrome steel plate is the upper carbon (0.04 – 0.10) version of the alloy.
Because 304 stainless steel withholds attacks from most oxidizing brokers, it may be sanitized. This makes it best for manufacturing medical and surgical tools. The technical recommendation and recommendations made in this Product Data Sheet should not be relied or acted upon with out conducting your personal further investigations, together with corrosion exposure exams where wanted.
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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- Metallurgical instability, or the formation of recent phases throughout high temperature exposures, can adversely affect mechanical properties and reduce corrosion resistance.
- Call us at + .Stainless Steel 310/310S Technical Datasheet-HSMAbout 310 Stainless Steel.
- Forced quenchant cooling is recommended through the important temperature vary, particularly for thicker sections.
- Moderate power and hardness on the extremely low temperatures as much as -450oF.
- Carbide particles tend to precipitate at grain boundaries when austenitic stainless steels are held in or slowly cooled by way of the temperature vary °F ( °C).
- The larger levels of chromium and nickel contained in these alloys ends in decrease carbon solubility, which tends to extend the susceptibility for sensitization.
Replacing iron with nickel additionally usually improves an alloy’s excessive temperature habits. Alloys 309/309S and 310/310S are extremely alloyed materials and are, due to this fact, very immune to oxidation.
310 is usually used at cryogenic temperatures, with wonderful toughness to -450°F, and low magnetic permeability. 310 has a machinability rating of 42% relative to AISI B1112 metal.310 – Rolled Alloys, Inc.Often in many product types, the grain measurement and carbon content material can meet both the 310S and 310H necessities. Another well-liked alloy of stainless-steel, grade 316 SS is usually used for functions that involve highly effective corrosives, as its corrosion resistance typically exceeds that of grade 304 SS. One of the key properties of any stainless steel alloy is its resistance to oxidation. High temperatures can compromise the the oxidation resistance of metal alloys, leading them to turn into rusted and weakening their structural integrity.
410S stays gentle and ductile even when quickly cooled from above the critical temperature. This non-hardening characteristic helps forestall cracking when the alloy is uncovered to high temperatures or welded. It displays adequate corrosion resistance similar to 410 and good oxidation resistance. Alloys 309/309S and 310/310S stainless steel are extensively used within the heat treatment/process industries because of high temperature properties and corrosion resistance. Mild carbon steel is mostly treated as the usual for efficiency in most metallic forming operations. With respect to carbon metal, the austenitic stainless steels exhibit a significant distinction – they’re more durable and tend to work harden quickly. Type 304 and Type 304L have very comparable chemical and mechanical properties and are sometimes included on a single materials take a look at certificate when the actual properties of a stainless steel plate meet the standards of both varieties.
304l
The rate of oxidation is then break up into two components – scale thickening by formation of Cr2O3 and the thinning impact of CrO3 evaporation. The tendency is for eventual stability between growth and thinning with the scale remaining at a constant thickness. The result is continuous recession of the surface and consumption of the steel beneath.
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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