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AISI 304/304L (1.4301/1.4307)

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Description

Chrome-nickel, 18/8 type stainless steel, non-temperable, austenitic and amagnetic logo. Good oxidation resistance up to 850 °C, although it should only be applied up to 300 °C due to intergranular corrosion. The hardness of this material cannot be altered by hardening treatment. It is easy to weld and requires no pre or post heat treatment, good machinability and suitable for deep drawing due to excellent elongation. Corrosion resistance increases the better the polishing.

Main applications

  • Chemical and Food Industry
  • Locksmiths
  • Handrails and Handles
  • Railings and Hardware

Delivery status

Austenitic

Hardness of the supply

  • Min: -
  • Med: -
  • Max: -
  • Composition
  • Services
  • Heat Treatments
  • Download

Profiles available

Thickness Tolerance
Round tube 10 - 50,8 mm EN 10297-2
Square tube On Request .
Rectangular tube On Request .
Angle plate On Request .
Round 3 - 300 mm EN 10060
Rectangular 5 - 10 mm EN 10058
Hexagonal On Request .

Chemical composition (%) 1

Min Med Max
C
0,07
Si
1,00
Mn
2,00
P
0,045
S
0,030
Cr
17,50 19,50
Ni
8,00 10,50

Physical properties

Density : 7,90
10ˉ⁶m/mK
20 a 100 ⁰C 20 a 200 ⁰C 20 a 300 ⁰C 20 a 400 ⁰C 20 a 500 ⁰C 20 a 600 ⁰C 20 a 700 ⁰C
16 16,5 17,00 17,50 18,00 --- ---
Thermal Conductivity W/mk
20 ⁰C 200 ⁰C 300 ⁰C 350 ⁰C 400 ⁰C 600⁰C 700 ⁰C
15,00 --- --- --- --- --- ---
GPa
-100 ⁰C 0 ⁰C 20 ⁰C 100 ⁰C 200 ⁰C 300 ⁰C 400 ⁰C 500 ⁰C 600 ⁰C
--- --- 200 194 186 179 172 165 ---

Mechanical properties

Condition Ø Thickness Mechanical properties
Hardness Rm Rp0,2 ReH A Z RC
Hardened and tempered ≤ 10 - - - - - - -
Drawn (+C) ≤ 10 - - - - - - -
Ground (+SH) ≤ 10 - - - - - - -
N/A ≤ 10 - - - - - - -
Hardened and tempered ≤ 16 - - - - - - -
Drawn (+C) ≤ 16 - - - - - - -
Ground (+SH) ≤ 16 - - - - - - -
N/A ≤ 16 - - - - - - -
Hardened and tempered ≤ 40 - - - - - - -
Drawn (+C) ≤ 40 - - - - - - -
Ground (+SH) ≤ 40 - - - - - - -
N/A ≤ 40 - - - - - - -
Hardened and tempered ≤ 63 - - - - - - -
Drawn (+C) ≤ 63 - - - - - - -
Ground (+SH) ≤ 63 - - - - - - -
N/A ≤ 63 - - - - - - -
Hardened and tempered - - - - - - - - -
Drawn (+C) - - - - - - - - -
Ground (+SH) - - - - - - - - -
N/A - - - - - - - - -
Hardened and tempered - - - - - - - - -
Drawn (+C) - - - - - - - - -
Ground (+SH) - - - - - - - - -
N/A - - - - - - - - -

Notes on mechanical properties

Rp0

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Updated on: 18.04.2022
  • Composition

    Profiles available

      • Round tube
      • 10 - 50,8 mm
      • EN 10297-2
      • Square tube
      • On Request
      • .
      • Rectangular tube
      • On Request
      • .
      • Angle plate
      • On Request
      • .
      • Round
      • 3 - 300 mm
      • EN 10060
      • Rectangular
      • 5 - 10 mm
      • EN 10058
      • Hexagonal
      • On Request
      • .

    Chemical composition (%) 1

    Min Med Max
    C
    0,07
    Si
    1,00
    Mn
    2,00
    P
    0,045
    S
    0,030
    Cr
    17,50 19,50
    Ni
    8,00 10,50

    Physical properties

    Density : 7,90
    10ˉ⁶m/mK
    20 a 100 ⁰C 16
    20 a 200 ⁰C 16,5
    20 a 300 ⁰C 17,00
    20 a 400 ⁰C 17,50
    20 a 500 ⁰C 18,00
    20 a 600 ⁰C ---
    20 a 700 ⁰C ---
    Thermal Conductivity W/mk
    20 ⁰C 15,00
    200 ⁰C ---
    300 ⁰C ---
    350 ⁰C ---
    400 ⁰C ---
    600⁰C ---
    700 ⁰C ---
    GPa
    -100 ⁰C ---
    0 ⁰C ---
    20 ⁰C 200
    100 ⁰C 194
    200 ⁰C 186
    300 ⁰C 179
    400 ⁰C 172
    500 ⁰C 165
    600 ⁰C ---

    Mechanical properties

    Please refer to the table in the downloads section.

    Notes on mechanical properties

    Rp0

  • Services
  • Heat Treatments
  • Download

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Hardness HB

Hardness HRC

Resistance to abrasive wear

Resistance to adhesive wear

Resistance to tempering

Resistance to heat wear

Resistance to fatigue

Compressive strength

Toughness

Ductility

Corrosion resistance

Machinability

Suitability for welding

Suitability for polishing

Thermal fatigue

Suitability for nitriding

Suitability for texture

Number of cycles (Durability)

Creep resistance

Hardenability

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