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Stainless Steels HOME >> Stainless Steels
PRODUCTS:Austenitic Stainless Steel
GRADE:304 、304L 、310S 、316 、316L 、317 、317L 、321
PRODUCTION STANDARD:GB、GJB、ASTM、SAE AMS
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  • SPECIFICATION

    Introduction:



    300 Series stainless steels are classified as austenitic, and are hardenable only by cold working methods. These grades of stainless have chromium (approx. 18 to 30%) and nickel (approx. 6 to 20%) as their major alloying additions. Type 304  is the most widely used alloy of all stainless steels. 300 Series Stainless steel alloys resist corrosion, maintain their strength at high temperatures and are easy to maintain.

    300 series grades  are inventoried in in stainless steel plate, sheet, bar, pipe, tube and structural products.

    Austenitic Stainless Steel are mainly used in the following industries: 
    - Heat exchanger, Fertilizer Industry
    - Chemical and petrochemical industry, 
    - Power generation and Environmental technologies 
    - Ship Making, Oil and gas applications, 
    - Mechanical and plant engineering and
    - Construction and Building, Automotive industry
    - Nuclear industry , Shipping industry 
    - Food processing industry , Coal gasification 
    - Fertilizer production, Environmental protection, Aerospace industry 


    The 300 Series Stainless Steel offers several advantages:

    - one of the most common steels, with the ability to be used in a variety of applications.

    - superior corrosion resistant properties

    - developed for applications requiring extensive machining operations

    - non-magnetic properties

    - scratch resistant

    - many Finishing options: polishing, beveling, etc



    Table 1 Comparative International Stainless Steel Grades

    British

    French

    German

    Italian

    Japanese

    Swedish

    USA

    304S21

    Z12CN17.08

    1.4310

    X12CrNi 17 07

    SUS301

    14 23 31

    301

    304S31

     

     

     

    SUS302

    14 23 32

    302

    304S15
    304S16

    Z8CN18.09

    1.4301

    X5CrNi 18 10

    SUS301

    14 23 33

    304

    304S11

    Z2CN18.10

    1.4306

    X2CrNi 18 11

    SUS304L

    14 23 52

    304L

    305S19

    Z8CN18.12

     

    X8CrNi 18 12

    SUS305

     

    305

    309S24

    Z15CN24.13

     

    X16CrNi 23 14

    SUS309

     

    309

    310S24

    Z12CN25.20

    1.4845

    Z22CrNi 25 20

    SUS310S

    14 23 61

    310

    315S16

     

     

     

     

    14 23 40

     

    316S31
    316S33

    Z6CND17.11

    1.4401
    1.4436

    X8CrNiMo 17 13

    SUS316

    14 23 43
    14 23 47

    316

    316S11
    316S13

    Z2CND17.12

    1.4404
    1.4435

    X2CrNiMo 17 12

    SUS316L

    14 23 53
    14 23 48

    316L

    317S12

    Z2CND19.15

    1.4435

    X2CrNiMo 18 16

    SUS317L

    14 23 67

    317L

    317S16

     

    1.4436

     

    SUS317

    14 23 66

    317

    320S31
    320S33

    Z8CND17.12

    1.4571
    1.4573

     

     

    14 23 50

     

    321S31

    Z6CNT18.12

    1.4541

    X6CrNiTi 18 11

    SUS321

    14 23 37

    321

    347S31

    Z6CNNb18.11

    1.4558

    X6CrNiNb 18 11
    X8CrNiNb 18 11

    SUS347

    14 23 38

    347

    403S17

    Z6C13

    1.4000

    X6Cr13

    SUS403

    14 23 01

    403

    405S17

    Z6CA13

    1.4002

    Z6CrA1 13

    SUS405

     

    405

    409S19

     

    1.4512

     

     

     

    409

    430S17

    Z8C17

    1.4016

    X8Cr 17

    SUS430

    14 23 20

    430

    434S17

    Z8CD17.01

    1.4113

    X8CrMo 17

    SUS434

    14 23 25

    434

    410S21

    Z12C13

    1.4006
    1.4024

    X12Cr 13

    SUS410

    13 23 02

    410

    410S45

    Z30C13

     

    X30Cr 13

    SUS420JS

    14 23 04

    420

    *All information is strictly informative.


    Table 2 Applications

    Type 301

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

    Type 302

    Used for a wide variety of home & commercial applications. One of the most familiar & frequently used alloys in the stainless steel family. Examples include Refrigerators, Dishwashers, and Washing machines

    Type 303

    A non-magnetic austenitic stainless steel specifically designed to exhibit improved machinability. Medical and pharmaceutical components and parts are common applications.

    Type 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

    Type 305

    Used for a wide variety of applications. Another frequently used alloy, including applications where good corrosion resistance & excellent drawing ability is needed. Examples include Writing instruments, Utensils, Tank covers and drawn housings

    Type 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.

     Type 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

     Type 316

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

     Type 317

     More resistant to general corrosion and pitting/crevice corrosion than the conventional chromium-nickel austenitic stainless steels. These alloys offer high tensile strength at elevated temperature

     Type 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

    Type 334

     titanium- and aluminum-bearing austenitic stainless steel offering superior elevated temperature scaling resistance compared to the conventional chromium-nickel stainless steels. Heated electric heating elements

    Type 347

    Stabilized stainless steel which offers excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation rages from 800 to 1500 Deg F. Radiant heaters, Aerospace components and Oil Refining equipment

    Type 348

    Stabilized stainless steel offering excellent resistance to corrosion after exposure to temperatures between 800-1500 Deg F. Applications including Nuclear powers.


    Table 3 Standards

     

     

    TYPE

    BAR/WIRE

    SHEET/STRIP

    PLATE

    TUBE

    PIPE

    FORGINGS

    UNS NO.

    303
    AISI 303


    AMS-5640
    ASTM-A 320
    A 581
    A 582
    MIL-S-7720
    QQ-S-763

    ASTMA-895

    AMS 5640
    ASTM-S 314
    A 473

    UNS S30300

    304
    AISI 304


    AMS-5639
    5697
    ASTM-A 193
    A 276
    A 313
    A320
    MIL-S-7720
    QQ-S-763

    AMS5513
    5910(1/4)
    5911(1/2HD)
    5912(3/4HD)
    5913(FH)
    ASTMA-167
    177
    240
    666

    AMS-5513
    ASTM-A-240
    ASTM-A-166
    ASTM-A-167

    AMS-5560
    5565
    5566
    5639
    ASTMA-A213
    A 249
    A 269
    A 270
    MIL-T-6845
    T-8504
    T-8506

    ASTM-A 312
    A376
    A 409

    AMS-5639
    ASTM-A 314
    A 336
    A 473

    UNS S30400

    304 L
    AISI 304 L

    AMS-5647
    ASTM-A 276
    A 479
    A 581
    MIL-S-18170

    AMS 5511
    ASTM-A-167
    ASTM-A-240
    ASTM-A-666

    AMS 5511
    ASTM-A-2407
    ASTM-A-666

    AMS-5647
    ASTM-A 213
    A 249
    A 269
    A511
    MIL-T-8606
    T-8973

    ASTMA-A 312
    A 376
    A 409

    AMS-5647
    ASTM-S 314
    A 473

    UNS S30403

    309
    AISI 309

    ASTM-A 276
    QQ-S-763

    ASTM-A 167

    ASTM-A 167

    ASTM-A 249
    A 511

    ASTM-A 312
    A 358
    A 409

    ASTM-A 314
    A 473

    UNS S30900

    310
    AISI 310

    AMS-5651
    694
    ASTM-A 276
    QQ-S-763

    AMS-5521
    ASTM-A 167

    AMS-5521
    ASTM-A 167

    AMS-5572
    5577
    5651
    ASTM-A 213
    A 249
    A 511

    ASTM-A 312
    A 358
    A 409

    AMS-5651
    ASTM-A 314
    A 336
    A 473

    UNS S31008
    UNS S31000

    316
    AISI 316


    ASTM-A 276
    QQ-S-763

    AMS 5524
    5907(1/4HD)
    ASTMA-167
    240
    262
    666

    AMS-5524
    ASTM-A 167
    MIL-S-5059

    AMS-5573
    5648
    ASTM-A 213
    A 249
    A 269
    A 511

    ASTM-A 312
    A 358
    A 376
    A 409
    A 430

    AMS-5648
    ASTM-A 314
    A 336
    A 473

    UNS S31600

    316 L
    AISI 316 L

    AMS-5653
    ASTM-A 193
    A 276
    A 479
    MIL-S-7720
    QQ-S-763

    AMS 5507
    5524(ANN)
    5907(1/4HD)
    ASTMA-167
    240

    AMS-5507
    ASTM-A 167
    A 240

    AMS-5643
    ASTM-A 213
    A 249
    A 269
    A 511

    ASTM-A 312
    A 358
    A 376
    A 409
    A 430

    AMS-5643
    ASTM-A 314
    A 473

    UNS S31603

    317
    AISI 317
    317 L
    AISI 317 L

    ASTM-A 276
    A 580
    QQ-S-763

    ASTM-S 167
    A 240

    ASTM-S 167
    A 240

    ASTM-A 249
    A 269
    A 511
    A 632

    ASTM-A 312
    A 409

    ASTM-A 314
    A 472

    UNS S31700
    UNS S31703

     

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