ss 321

Gangsteel produce ASTM A240 304 Stainless steel plates, S30400, A240 Type 304 Stainless steel 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.

a2 aisi 304

304 chrome steel plate has a minimum tensile power of seventy five ksi and a minimal yield energy at 0.2% of 30 ksi. This sort of chrome steel plate has a most Brinell hardness of 201 and a Rockwell B hardness of 92. 304L stainless-steel plate has a minimum tensile power of 70 ksi and a yield power at 0.2% of 25 ksi. This chrome steel plate additionally has an elongation of 40%, a most hardness of 201 on the Brinell scale and a hardness of 92 on the Rockwell B scale.

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 , 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 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 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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304 stainless steel plate also contains at most 2.0% manganese and 0.seventy five% silicon. it also accommodates not more than 0.045% phosphorous, 0.03% sulfur and between 18.0% and 20% chromium. 304 stainless-steel plate also is made of between 8.0% and 10.5% nickel and at most 0.10% nitrogen. 304 stainless-steel plate is comprised of not more than 0.08% carbon while 304L stainless steel plate contains a maximum of 0.03% carbon. The different major distinction in chemical composition between these two stainless steel plates grades is the amount of nickel.

aisi 304l

06cr19ni10 and SUS304 are the common marking methods on the , 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.

aisi 304 hardness

Sensitization occurs when kind 304 austenitic stainless-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 near the grain boundary is greatly lowered, and becomes a Cr-depleted area. Alloy SS 304 is the austenitic grade stainless-steel that’s used to carry the vessels within the elevated temperatures. However, there are totally different A240-304 stainless steel plates parts which the SS holds like carbon molybdenum and others. The SS 304L is the low carbon version of the stainless-steel grade 304 which is there with utilizing within the high-temperature surroundings. This is the way in which that the sheet and plate are developed with the help of the alloying steel grades. The term ‘corrosion resistant metal’ is used when the alloy has lower than the 12% minimum of chromium, for within the aviation industry.

aisi 4301

Stainless Steels – L, H and Standard Grades – Azom.com

Stainless Steels – L, H and Standard Grades.

Posted: Tue, 17 Jun 2014 07:00:00 GMT [source]

In some circumstances, the low carbon Alloy 304L could show a lower corrosion price than the higher carbon Alloy 304. The information for formic acid, sulfamic acid, and sodium hydroxide illustrate this.

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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  • The low carbon version, 304L sheets are very good for welding applications as they’ve much less carbide precipitation and less localized corrosion.
  • The ASME SA240 Stainless Steel 304 Coil Thickness ranges as much as 200mm and the width and the size ranges extensively relying on the application requirements as nicely.
  • Stainless Steel 304 Sheet is made up of an austenitic stainless-steel that has 18% chromium and eight% nickel in the composition.

Moreover, the chrome steel grade 304 and 304L is the rationale that the SS 304L Plate is good at inheriting completely different properties. Some of the properties which are there in high the plates and sheets are due to the carbon alloying factor present within the alloy. The properties are like corrosion resistance, crevice corrosion resistance, pitting corrosion resistance. In the same means, with the assistance of other alloying parts current in the stainless steel grade, the SS 304 Sheet is holding many different properties too. The properties which it holds are high tensile strength, nice toughness, stability in the elevated temperature, weldability, ductility, durability, and others.

astm a240 ss 304 properties

ASTM A240 Type 304 PDF R Pipe Overseas is considered one of India’s main manufacturers of high qualityStainless Steel 304 Platewhich discover utility across various sectors. We offer qualitative these SS 304 Plates in numerous sizes and shapes which might be being designed as per the national and worldwide normal high of raw supplies. OurASTM A240 TP304 Plateare part of the austenitic household of stainless steel and they’re one of the versatile and widely used varieties of stainless Plate. These SS 304 Plates are a comparatively low price stainless product and utilized in a variety of applications.

What are the 5 types of stainless steel?

There are a number of grades to choose from, but all stainless steels can be divided into five basic categories:Austenitic.
Ferritic.
Duplex.
Martensitic.
Precipitation hardening.

Stainless metal 304 is the most primary stainless steel known as 18-8 grade with larger chromium and low carbon content material. The low carbon content restricts carbide precipitation throughout welding in addition to minimizes its susceptibility to intergranular corrosion. Stainless steel 304L is an additional low-carbon variation of SS304 with a 0.03% maximum carbon content that eliminates carbide precipitation due to welding.

Is standard for steel?

Bureau of Indian Standard (BIS) Code for Designation of Steel Metallurgy. According’s to Bureau of Indian Standards, steels can be designated either based on letter symbols IS: 1962 (Part I)—1974 or based on numerals IS: 1962 (Part II). Minimum number of symbols is recommended to be used in designating any steel.

304 could require subsequent reannealing after soldering or heat treatment to achieve optimum corrosion resistance, softness and ductility. Because intergranular corrosive chromium carbide is dissolved in the course of the annealing course of. AISI 304L is the low carbon version of 304 stainless steel, AISI 303 is a free-machining steel, mainly a variant of 304, which will increase the phosphorus and sulfur content and improves the machinability. AISI 316 is best than grade 304 in certain properties, corrosion resistance and warmth resistance, and so on. For extra data, please verify 304 vs 304L stainless steel and 304 vs 316 stainless-steel. The chrome steel sheet has the power to face up to basic corrosion similar to the unstable nichrome 304. Prolonged heating in the temperature range of chromium carbide may affect alloys 321 and 347 in harsh corrosive media.

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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

astm a240 ss 304 properties
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