304h plate

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.

Cutting pace must be lower, the feed greater, tooling and tools heavier. The machinability of 304 is about 60% that of AISI B1112 resulphurised free slicing carbon metal. 304 is among the easier austenitic stainless steels to forge, at temperatures above 925°C. Grade 304 is often used for meals gear, where cleansing for the elimination of bacteria is significant.

  • They are a relatively low value stainless product and utilized in a wide range of functions.
  • 304 SS plates have wonderful corrosion resistance in quite a lot of different media.
  • 304 grades have wonderful low temperature properties and respond properly to hardening by cold working.
  • Both grades are austenitic stainless steel which is likely one of the most generally used and versatile type of metal.
  • 304 and 304L stainless steel plates are a part of the austenitic household of chrome steel and they’re one of the versatile and extensively used kinds of stainless plate.

Grade ASTM A Stainless Steel is the usual “18/eight” stainless; it’s the most versatile and most generally used stainless-steel, out there in a wider range of products, types and finishes than some other. ASTM A240 Grade 304 is instantly brake or roll fashioned into quite a lot of elements for applications within the industrial, architectural, and transportation fields. Sheet Coils are flat merchandise wound into rolls and having an oblong cross-part, the width of which is much bigger than the thickness. Hot Rolled Sheet Coil is produced from semifinished products , which are decreased to sure thicknesses by rolling and annealing and wound into a roll. Cold-rolled steel Coil is a extra highly finished product and has a smoother surface, higher dimensional accuracy and higher energy.

A240 304 stainless corrosion plates

The austenitic stainless steels are warmth treated to remove the consequences of chilly forming or to dissolve precipitated chromium carbides. The surest heat therapy to accomplish each requirements 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 should be at sufficiently excessive A240-304 stainless steel plates rates by way of °F (816°C – 427°C) to keep away from reprecipitation of chromium carbides. Our water jet chopping capabilities for 304 stainless-steel plates are as much as 6” x a hundred and twenty x 144. Sheet metal is steel shaped by an industrial process into skinny, flat items.

A240 304L Stainless steel plates

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.

Hardness

Half Hard, Soft, Hard, Quarter Hard, Spring Hard

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 (%)

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

 

 

 

 

 

0.10

 

 

 

 

 

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.

aisi ss 304 standard

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1.4307 stainless

Prolonged heating in the temperature vary of chromium carbide may have an effect on alloys 321 and 347 in harsh corrosive media. Mainly used in excessive temperature applications, excessive temperature functions require sturdy sensitization of supplies to prevent intergranular corrosion at decrease temperatures. Exposure of the 18-eight austenitic stainless steels to temperatures within the 800°F to 1500°F (427°C to 816°C) range could trigger precipitation of chromium carbides in grain boundaries. Such steels are “sensitized” and topic to intergranular corrosion when exposed to aggressive environments. The carbon content of Alloy 304 might enable sensitization to occur from thermal circumstances skilled by autogenous welds and warmth-affected zones of welds.

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.

The 304H version has a guaranteed minimal carbon content material, which ensures good energy at high temperatures. Alloy 304/304L (UNS S30400/S30403) is essentially the most extensively utilized “18-eight” chromium-nickel austenitic stainless-steel. It is an economical and versatile corrosion resistant alloy appropriate for a variety of common function applications.

Octal shares totally different dimensions of stainless steel plates, sheet, coils. If you might be in search of particular sizes or immdiate supply just contact us. 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 some distance from the weld. The larger the carbon degree of the material being welded, the larger the chance that the welding thermal cycle will outcome in the chromium carbide precipitation which is detrimental to corrosion resistance.

astm a312 tp304

As examples increased smoothness of floor improves energy, increased corrosivity of service environment decreases energy. In some cases, the low carbon Alloy 304L could show a decrease corrosion fee than the higher carbon Alloy 304.

Both grades are austenitic chrome steel which is one of the most generally used and versatile type of steel. 304 and 304L stainless-steel plates are a part of the austenitic household of chrome steel and they are one of the versatile and widely used sorts of stainless plate. They are a relatively low cost stainless product and used in a variety of functions. 304 grades have excellent low temperature properties and respond well to hardening by chilly working.

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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

A240 304 stainless corrosion plates
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