304 stainless steel price

1.4301 grade

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.

In the annealed condition it’s essentially non-magnetic and becomes barely magnetic with the appliance of chilly work. Type 304L Stainless Steel is most well-liked in welding applications to exclude the formation of chromium carbides during cooling within the heat affected region of the weld. These alloys represent an excellent mixture of corrosion resistance and fabricability. Federal laws was enacted in 2006 decreasing the permissible exposure limit of workers, including welding-associated personnel, to Cr by an order of magnitude.

304 grades have glorious low temperature properties and respond nicely to hardening by cold working. 304 chrome steel plate grades have good welding traits and publish weld annealing is not usually required to revive efficiency. 304 SS plates have wonderful corrosion resistance in a wide range A240-304 stainless steel plates of different media. Typical specifications for 304 and 304L ss plates are ASTM A-240, ASME SA -240 and A666. Grade 304/304L is probably the most widely used industrial grade of chrome steel supplied into quite a few trade sectors.

  • Solidification experiments had been performed utilizing a button melting apparatus at the side of the only sensor differential thermal evaluation (SS DTA™) technique to find out part transformations during solidification.
  • Weld mechanical properties and weldability efficiency were comparable in nature to other austenitic Ni-based mostly alloys and stainless steels.
  • By using the Ni-Cu based consumable to weld stainless steel, Cr in the welding fume was decreased by two orders of magnitude from typical stainless-steel welding electrodes.
  • A new welding consumable, based mostly on the Ni-Cu metallurgical system, was developed to cut back hexavalent Cr (Cr6+) emissions throughout welding of austenitic stainless steels.

Exposure of the 18-eight austenitic stainless steels to temperatures within the 800°F to 1500°F (427° to 816°C) range could cause precipitation of chromium carbides in grain boundaries. Such steels are “sensitized” and subject to intergranular corrosion when uncovered to aggressive environments.

The broad usage of 304/304L chrome steel in food and beverage and pharmaceutical purposes reflects the corrosion resistance qualities of those materials. These industries demand that materials do not release vital portions of contaminants into the product.

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.

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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This ductility trough is probably going related to the stable-state weld cracking phenomenon known as ductility-dip cracking. Strain-to-fracture testing revealed that the ductility-dip cracking threshold strain was approximately 2–3% in weld deposits, indicating a moderate to excessive susceptibility. Weld deposits were considered to have related weldability to other Ni-base and absolutely austenitic stainless-steel alloys based mostly on the present analysis. 304 and 304L stainless-steel plates are part of the austenitic family of chrome steel and they’re one of the most versatile and extensively used kinds of stainless plate. They are a comparatively low cost stainless product and used in quite a lot of purposes.

type 304l stainless steel properties

In extra corrosive environments such as a marine surroundings, or an surroundings where greater chloride and chlorine content material is a factor, the next spec grade similar to 316/316L or a Duplex grade could also be a better possibility. A temperature gradient is produced in the material being welded which ranges from above the melting temperature in the molten pool to ambient temperature at some distance from the weld. The greater the carbon stage of the material being welded, the higher the probability that the welding thermal cycle will result within the chromium carbide precipitation which is detrimental to corrosion resistance.

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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astm a240 type 304

From the galvanic collection, the corrosion potential of the Ni-Cu alloy K400 is positioned in the identical potential range as Type 304 and Type 316 stainless steels. In this study, the applicability of the Monel-type fi ller metals for the welding of austenitic stainless steel is examined. Type 304L stainless steel plate was efficiently welded with Monel fi ller wire, leading to high-high quality welds with no cracks. The welds survived lengthy-time period exposure to mildly ag- gressive environments like 0.1 M sodium chloride with no proof of corrosion. However, Cu-wealthy regions within the weld have been the weak spots for corrosion susceptibility.

304 stainless steel pipe supplier

The stainless steel sheet has the flexibility to face up to basic corrosion similar to the unstable nichrome 304. Prolonged heating in the temperature vary of chromium carbide might affect alloys 321 and 347 in harsh corrosive media. Mainly utilized in high temperature applications, high temperature functions require robust sensitization of supplies to stop intergranular corrosion at decrease temperatures. The corrosion resistance of stainless-steel mainly depends on its alloy composition (chromium, nickel, titanium, silicon, aluminum, and so on.) and the internal structure major position is chromium .

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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 304l stainless steel properties
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