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304 Stainless Steel Sheet

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304 Stainless Steel Sheet : Specifications

sus 304 stainless steel sheet price per ton 1:thickness:0.3-120mm 2:width:500-1800mm 3:length:1000-6000mm 4:on stock

sus 304 stainless steel sheet price per tonSpecifications

304 Stainless Steel Sheet 1.Stockist manufacture Mnaufacture 2.Can product as request 3.Lowest price

                                            

1.304 Stainless steel sheet

Detailed introduction :  

Description

steel sheet,hot rolled steel sheet,cold rolled  steel sheet, steel sheet,sheet,steel plate

Material

201,202,304,304L,309S,310S,316,316L,316Ti,317L,321,347H,409,409L,410,410S,420,430,etc.

Thickness

From 0.3mm to 100mm

Width

1000mm,1219mm,1250mm,1500mm,1800mm,2200mm or be cut as your requirement

Length

2000mm,2438mm,2500mm,6000mm,6096mm or be cut as your requirement

Standard

ASME, ASTM, EN ,BS,GB,DIN, JIS etc

Application

Steel sheet applies to construction field, ships building industry, petroleum & chemical industries,

war and electricity industries, food processing and medical industry, boiler heat exchanger,

machinery and hardware fields.

Packaging

Standard export sea-worthy packing

Delivery time

10-30 days

Quality

No.1

Productivity

500 tons/mouth

Note

Our company has cooperative relation between the domestic agents. Stainless steel

sheet can be made accordingto the customers requirements. Fasten delivery. Quality

assured.

Contacts

If you have any question,please feel free contact me.

 

Stainless steel 304 is an austenitic grade that can be severely deep drawn. This property has resulted in 304 being the dominant grade used in applications like sinks and saucepans.

 

 2. 304 Stainless steel sheet Chemical Composition and Physical Properties :

 

Chemical Composition of Stainless Steel 304

Table 1. Typical chemical composition for 304 stainless steel alloys

%

304

304L

304H

C

0-0.07

0-0.03

0.04-1

Mn

0-2.0

0-2.0

0-2.0

Si

0-1

0-1

0-1

P

0-0.05

0-0.05

0-0.05

S

0-0.02

0-0.02

0-0.02

Cr

17.5-19.5

17.5-19.5

17.5-19.5

Ni

8-10.5

8-10.5

8-10.5

Fe

Balance

Balance

Balance

 

Properties of Stainless Steel 304

Mechanical Properties of Stainless Steel 304

Table 2. Typical mechanical properties for 304 stainless steel alloys

Grade

304

304L

304H

Tensile Strength (MPa)

520-720

500-6070

520-720

Compression Strength (MPa)

210

-

-

Proof Stress 0.2% (MPa)

210

200

210

Elongation A5 (%)

45 Min

45 Min

40 Min

Hardness Rockwell B

92

-

-

Physical Properties of Stainless Steel 304

Table 3. Typical physical properties for 304 stainless steel alloys

Property

Value

Density

8.00 g/cm3

Melting Point

1450°C

Modulus of Elasticity

193 GPa

Electrical Resistivity

0.072x10-6 Ãƒâ„¢.m

Thermal Conductivity

16.2 W/m.K 

Thermal Expansion

17.2x10-6 /K 

 

 

 Corrosion Resistance of StainlessSteel 304

Stainless steel 304 has excellent corrosion resistance in a wide variety of environments and when in contact with different corrosive media. Pitting and crevice corrosion can occur in environments containing chlorides. Stress corrosion cracking can occur at temperatures over 60°C.

Heat Resistance of Stainless Steel 304

Stainless steel 304 has good resistance to oxidation in intermittent service up to 870°C and in continuous service to 925°C. However, continuous use at 425-860°C is not recommended if corrosion resistance in water is required. In this instance 304L is recommended due to its resistance to carbide precipitation.

Where high strength is required at temperatures above 500°C and up to 800°C, grade 304H is recommended. This material will retain aqueous corrosion resistance.

Fabrication of Stainless Steel 304

Fabrication of all stainless steels should be done only with tools dedicated to stainless steel materials. Tooling and work surfaces must be thoroughly cleaned before use. These precautions are necessary to avoid cross contamination of stainless steel by easily corroded metals that may discolour the surface of the fabricated product.

Cold Working of Stainless Steel 304

Stainless steel 304 readily work hardens. Fabrication methods involving cold working may require an intermediate annealing stage to alleviate work hardening and avoid tearing or cracking. At the completion of fabrication a full annealing operation should be employed to reduce internal stresses and optimise corrosion resistance.

Hot Working of Stainless Steel 304

Fabrication methods, like forging, that involve hot working should occur after uniform heating to 1149-1260°C. The fabricated components should then be rapidly cooled to ensure maximum corrosion resistance.

Heat Treatment of Stainless Steel 304

Stainless steel 304 cannot be hardened by heat treatment.

Solution treatment or annealing can be done by rapid cooling after heating to 1010-1120°C.

Machinability

Stainless steel 304 has good machinability. Machining can be enhanced by using the following rules:

  • Cutting edges must be kept sharp. Dull edges cause excess work hardening.
  • Cuts should be light but deep enough to prevent work hardening by riding on the surface of the material.
  • Chip breakers should be employed to assist in ensuring swarf remains clear of the work
  • Low thermal conductivity of austenitic alloys results in heat concentrating at the cutting edges. This means coolants and lubricants are necessary and must be used in large quantities.
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