304 steel wire

steel 304

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 of 7.93g/cm3, which is also called 18 / 8 stainless steel in the . High resistant 800 ��, with good processing performance and high toughness, it is widely used in industry, furniture decoration industry and food and medical industry.

round bar stainless steel 304

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.

cost of 304 stainless steel per kg

Sensitization is the formation of chromium carbides along grain boundaries when a stainless-steel is uncovered to temperatures within the range of approx. The metal accommodates each chromium (between 18% and 20%) and nickel (between eight% and 10.5%) metals as the main non-iron constituents. It is much less electrically and thermally conductive than carbon metal and is essentially non-magnetic. It has a higher corrosion resistance than common metal and is broadly used because of the benefit during which it’s shaped into numerous shapes. Each alloy represents an excellent mixture of corrosion resistance and fabricability. This mixture of is the explanation for the intensive use of those alloys which symbolize practically one half of the whole U.S. stainless steel manufacturing. Type 304 represents the biggest volume followed by Type 304L. Types 302 and 305 are used in smaller quantities.

It is the usual “18/8 stainless” that is generally found in pans and cooking instruments. Alloy 304 is essentially the most versatile and extensively used alloy within the stainless steel household. Ideal for all kinds of residence and commercial functions, Alloy 304 displays glorious corrosion resistance and has a high ease of fabrication, excellent formability. The austenitic stainless steels are also considered to be essentially the most weldable of the excessive-alloy steels and may be welded by all fusion and resistance processes. 304 and 304L stainless steel plates are part of the austenitic household of stainless steel and they are one of the most versatile and broadly used kinds of stainless plate. They are a comparatively low stainless product and used in a wide range of purposes.

type 304 stainless steel properties

Where high energy is required at temperatures above 500°C and up to 800°C, grade 304H is beneficial. In some circumstances, the low carbon Type 304L alloy might show a decrease corrosion price than the higher carbon Type 304 alloy. The knowledge for formic acid, sulfuric acid and sodium hydroxide illustrate this.

304 grades have glorious low temperature properties and reply well to hardening by cold working. 304 chrome steel plate grades have good welding characteristics and publish weld annealing just isn’t normally required to revive performance.

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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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 .
, 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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Type 304 steel, being the preferred chrome steel, is of course chosen for its corrosion resistance. It can resist rusting in many alternative environments, solely being majorly attacked by chlorides.

Simply put, 304 steel just isn’t as onerous as a few of its stainless steel brothers similar to 440 metal , but nonetheless holds its personal as a tough basic objective steel. Type 304 grade stainless steel is also present in sinks, tabletops, coffee pots, fridges, stoves, , and other cooking appliances. It can withstand corrosion that may be attributable to various chemical compounds present in fruits, meat, and milk. Other areas of use embrace structure, chemical containers, heat exchangers, mining tools, in addition to marine nuts, bolts, and screws.

316 additionally accommodates silicon, manganese, and carbon, with nearly all of the composition being iron. A main difference between 304 and 316 stainless-steel is the chemical composition, with 316 containing a big amount of molybdenum; usually 2 to three p.c by weight vs only trace quantities present in 304. The higher molybdenum content material ends in grade 316 possessing elevated corrosion resistance. Type 304L stainless steel is an additional-low carbon version of the 304 steel alloy. The lower carbon content in 304L minimizes deleterious or harmful carbide precipitation as a result of welding. 304L can, due to this fact, be used “as welded” in severe corrosion environments, and it eliminates the need for annealing.

  • Possessing excellent mechanical properties, the high quantities of nickel and chromium in austenitic stainless steels additionally present outstanding corrosion resistance.
  • The 9 to 11 % of nickel contained by these 18-eight alloys assists in offering resistance to reasonably lowering environments.
  • The 18 to 19 percent of chromium which these alloys comprise offers resistance to oxidizing environments corresponding to dilute nitric acid.
  • These alloys are additionally immune to moderately aggressive natural acids corresponding to acetic, and reducing acids corresponding to phosphoric.

If your software makes use of milder acids or doesn’t contain salt publicity, stainless 304 is ideal. The most elementary difference A240-304 stainless steel plates between the grades of metal is the presence of molybdenum in stainless 316. Molybdenum is a chemical component used for the strengthening and hardening of metal.

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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 stainless steel properties
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