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  • 301,304,304l,321,316,316l,309s,310 stainless steel
  • 301,304,304l,321,316,316l,309s,310 stainless steel

301,304,304l,321,316,316l,309s,310 stainless steel

  • Grade:
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Specification, Chemical & Mechanical Performance

300-series-stainless-steel-In-China300-series-stainless-steel-Customized

Common types of 200 series  stainless steel sheet                                     

Grade

Application

301

High strength grade, with resistance to atmosphere corrosion.  Its bright, attractive surface make it an excellent choice for decorative structural applications.

304

Used for a wide variety of home and commercial applications. One of the most familiar & frequently used alloys in the stainless steel family. Common applications include Sanitary, Cryogenic, and Pressure-containing applications, Home and commercial appliances, Tank structural parts and processing equipment

309

Used for elevated temperature applications, including Furnace parts – conveyor belts, rollers, burner parts, refractory supports, retorts and oven linings, fans, tube hangers, baskets and trays to hold small parts; Containers for hot concentrated acids, ammonia and sulfur dioxide; contact with hot acetic and citric acid.                                                                                                                                                                               

310/S

Corrosion resistant, including furnace parts such as conveyor belts, rollers, burner parts, refractory supports, retorts and oven linings, fans, tube hangers, and baskets and trays to hold small parts. Chemical process industry to contain hot concentrated acids, ammonia, and sulfur dioxide and in the food processing industry, they are used in contact with hot acetic and citric acid

316

Used for elevated temperature applications, including handling hot organic and fatty acids, boat rails and hardware and facades of buildings near the ocean

321

A stabilized stainless steel which offers excellent resistance to corrosion following exposure to temperature between 800-1500 Deg F. Applications include Boiler and Pressure Vessels

 

 

Chemical Composition                                                                                           

Grade

C

Si

Mn

P≤

S≤

Cr

Mo

Ni

Other

301

≤0.15

≤1.00

≤2.00

0.045

0.03

16-18

-

6.0

-

304

≤0.07

≤1.00

≤2.00

0.035

0.03

17-19

-

8.0

-

304L

≤0.075

≤1.00

≤2.00

0.045

0.03

17-19

-

8.0

 

309S

≤0.08

≤1.00

≤2.00

0.045

0.03

22-24

-

12.0

-

310

≤0.08

≤1.5

≤2.00

0.045

0.03

24-26

-

19.0

-

316

≤0.08

≤1.00

≤2.00

0.045

0.03

16-18.5

2

10.0

-

316L

≤0.03

≤1.00

≤2.00

0.045

0.03

16-18

2

10.0

-

321

≤0.12

≤1.00

≤2.00

0.045

0.03

17-19

-

9.0

Ti≥5×C


 

Mechanical  Properties                                                                                       

Grade

YS(Mpa) ≥

TS (Mpa) ≥

El (%) ≥

Hardness(HV) ≤

301

200

520

40

180

304

200

520

50

165-175

304L

175

480

50

180

309S

200

520

40

180

310

200

520

40

180

316

200

520

50

180

316L

200

480

50

180

321

200

520

40

180

 

 

 

 

 

 

 

 

 

Specification                                                                                                       

Grade

301,304,304l,321,316,316l,309s,310

Thickness

Cold rolled:0.2-3.0mm

Hot rolled:3.0-60mm

Length

As customer’s requirement

Surface Finish

2B,2D,BA,NO4, Hair Line,6K, etc

Manufacture Technology

Cold rolled/ Hot rolled

Material

DDQ, High Copper, Half Copper or Low Copper Material

Standard

JIS, ASTM, AISI, GB, DIN, EN, etc

we usually use ASTM and GB Standard

 

 

 

 

 

 

 

 

 

Surface Treatment                                                                                            

 

Name

Feature

Specification

 

2B

Bright

After cold rolling ,by heat treatment ,pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster.                                                                          

 

BA

Polishing ,mirror

Processed with bright heat treatment after cold rolling

 

Hairline

Line like hair

Hair grain grinding by appropriate particle size of material

 

6K/8K

Mirror, brighter than BA

Very bright, grinding and polishing surface by 1000# strop grain of abrasive belt

 

 

 

 

 

 

 

 

 

 

 

Application                                                                                                               

       Petroleum and chemical industry equipment,industrial tanks, war and electricity industries; Medical instruments,tableware,kitchen utensil,kitchen ware; Construction field, milk or food processing facilities, boiler heat exchanger; Architectural purposes, escalators, kitchen ware, vehicles, machinery and hardware fields.     Petroleum and chemical industry equipment,industrial tanks, war and electricity industries; Medical instruments,tableware,kitchen utensil,kitchen ware; Construction field, milk or food processing facilities, boiler heat exchanger; Architectural purposes, escalators, kitchen ware, vehicles, machinery and hardware fields.     

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