ss 1.4301

Gangsteel produce ASTM A240 304 Stainless steel plates, , A240 Type 304 Stainless steel by water cutting, laser cutting and cnc cutting. ASTM a240 (chromium and chromium nickel stainless steel plate, , and strip for pressure essels and general applications. a240 304 stainless steel is a common material in stainless steel with a of 7.93g/cm3, which is also called 18 / 8 stainless steel in the industry. High temperature 800 ��, with good processing performance and high toughness, it is widely used in industry, furniture decoration industry and food and medical industry.

aisi 303 304

The repassivation course of is discovered to be of the first order in kinetic character, and a primary-order plot produces a fee constant that depends on the rolling direction of the metal from which the C specimen was machined. The solution warmth treatment was carried out at 1100 °C for 1 hour, and the sensitization heat therapy was performed at 750 °C for 2 hours and 500 °C for twenty-four hours. The 0.2% offset stress obtained by tensile take a look at at 288 °C was 140 MPa.

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.

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 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

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 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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These two grades of stainless steel are comparable in look, chemical makeup and characteristics. Both are also sturdy and have wonderful rust and corrosion resistance. Type 304 is probably the most versatile and widely used stainless-steel on the planet because of its resistance to corrosion. Type 304 can be more cost-effective as compared to kind 316, which is one more reason it is more widely used. ANODIZED ALUMINIUM specimens were examined for their corrosion resistance using the nicely-known salt-spray check (ASTM B ). This test is known to be time-consuming, not reproducible, and unreliable. It has been discovered that the results of the salt-spray exams cannot be correlated with the outcomes of experiments in precise take a look at environments.

din 1.4306

It has good corrosion and oxidation resistance, performs properly in terms of formability and weldability and is simple to clean. Because this material presents an outstanding mixture of excessive power and light weight, about half of the stainless produced within the United States is type 304.

Type 316 is an alloy of choice for orthopaedic implants and synthetic coronary heart valves. The alloy has a decrease carbon content A240-304 stainless steel plates which minimizes chromium carbide precipitation because of welding and its susceptibility to intergranular corrosion.

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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  • In this work, deep rolling process was performed to enhance the corrosion habits of Stainless Steel sort AISI 304 in extreme environments like seawater.
  • Re-crystallized surface layers containing submicron-scaled grains might be produced throughout deep rolling course of as a result of extreme plastic deformation.
  • Findings of this study depicts that deep rolling generates an extremely-fine grain structure, multi-directional mechanical twins, strain-induced martensite in the surface layers.
  • These ultra-nice grained supplies confirmed improved mechanical properties (fatigue, wear resistance, corrosion resistance, etc.).

For all kinds of machining functions, the chrome steel is a fabric of choice. Besides its advantageous mechanical and chemical properties, stainless-steel is available in many alternative alloys that match almost any use. Type 304/304L is the fashionable version of “18-8” chrome steel containing roughly 18% chromium and 8% nickel and is essentially the most commonly specified stainless steel used all through the world. Type 304/304L is a versatile, basic objective stainless steel with good resistance to atmospheric corrosion, and to many chemical substances and food and beverages.

steel grade 304 price

The greater molybdenum content results in grade 316 possessing increased corrosion resistance. When choosing a stainless steel that should endure corrosive environments, austenitic stainless steels are sometimes used. Possessing excellent mechanical properties, the excessive amounts of nickel and chromium in austenitic stainless steels also provide outstanding corrosion resistance. Additionally, many austenitic stainless steels are weldable and formable. Two of the extra generally used grades of austenitic stainless steel are grades 304 and 316. To help you determine which grade is right on your project, this blog will study the difference between 304 and 316 stainless-steel.

jindal steel railing 304 price

It adheres to stainless-steel surfaces and won’t transfer or react additional with other materials. It can also be self-renewing—if it’s removed or damaged, more chromium will react with oxygen to replenish the barrier. The greater the chromium content, the sooner the barrier repairs itself. All steels have the identical basic iron and carbon composition, but chrome steel additionally incorporates a healthy dose of chromium—the alloy that provides stainless steel its well-known corrosion resistance. This kind is defined by its larger nickel content than different types of stainless-steel. Due to the rising value of nickel, this makes stainless-steel sort 304 barely costlier than the other types. The nickel, nonetheless, is what makes kind 304 less vulnerable to corrosion.

type 304

The chromium found in all stainless steels reacts shortly with oxygen environments, a lot the identical as iron. The distinction, however, is that only a really fine layer of chromium will oxidize . Unlike flaky and unstable iron oxide, chromium oxide is very durable and non-reactive.

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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

type 304