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ST 52

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Description

Non-alloyed steel which, in essentially round and sheet formats, has a wide range of applications, mainly in welded construction.

Main applications

  • All types of structures: bridge components; cranes; platform components; load-lifting equipment
  • wind turbines
  • welded construction

Delivery status

Natural

Hardness of the supply

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

Profiles available

Thickness Tolerance
Round 20 - 330 mm EN 10060
Plate 8 - 200 mm EN 10029

Chemical composition (%) 1

Min Med Max
C
0,22
Si
0,55
Mn
1,60
P
0,030
S
0,030
Cu
0,55
N
0,012

Chemical composition (%) 1

Min Med Max
C
0,22
Si
0,55
Mn
1,60
P
0,025
S
0,025
Cu
0,55

Physical properties

Density : 7,80
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 --- --- --- --- --- ---
Thermal Conductivity W/mk
20 ⁰C 200 ⁰C 300 ⁰C 350 ⁰C 400 ⁰C 600⁰C 700 ⁰C
40 42,7 --- --- --- --- ---
GPa
-100 ⁰C 0 ⁰C 20 ⁰C 100 ⁰C 200 ⁰C 300 ⁰C 400 ⁰C 500 ⁰C 600 ⁰C
--- --- 200 --- --- --- --- --- ---

Mechanical properties

Condition Ø Thickness Mechanical properties
Hardness Rm Rp0,2 ReH RC A Z
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 ≤ 80 - - - - - - -
Drawn (+C) ≤ 80 - - - - - - -
Ground (+SH) ≤ 80 - - - - - - -
N/A ≤ 80 - - - - - - -
Hardened and tempered ≤ 100 - - - - - - -
Drawn (+C) ≤ 100 - - - - - - -
Ground (+SH) ≤ 100 - - - - - - -
N/A ≤ 100 - - - - - - -
Hardened and tempered - - - - - - - - -
Drawn (+C) - - - - - - - - -
Ground (+SH) - - - - - - - - -
N/A - - - - - - - - -
You can print this information
Updated on: 11.12.2017
  • Composition

    Profiles available

      • Round
      • 20 - 330 mm
      • EN 10060
      • Plate
      • 8 - 200 mm
      • EN 10029

    Chemical composition (%) 1

    Min Med Max
    C
    0,22
    Si
    0,55
    Mn
    1,60
    P
    0,030
    S
    0,030
    Cu
    0,55
    N
    0,012

    Chemical composition (%) 2

    Min Med Max
    C
    0,22
    Si
    0,55
    Mn
    1,60
    P
    0,025
    S
    0,025
    Cu
    0,55

    Physical properties

    Density : 7,80
    10ˉ⁶m/mK
    20 a 100 ⁰C 16
    20 a 200 ⁰C ---
    20 a 300 ⁰C ---
    20 a 400 ⁰C ---
    20 a 500 ⁰C ---
    20 a 600 ⁰C ---
    20 a 700 ⁰C ---
    Thermal Conductivity W/mk
    20 ⁰C 40
    200 ⁰C 42,7
    300 ⁰C ---
    350 ⁰C ---
    400 ⁰C ---
    600⁰C ---
    700 ⁰C ---
    GPa
    -100 ⁰C ---
    0 ⁰C ---
    20 ⁰C 200
    100 ⁰C ---
    200 ⁰C ---
    300 ⁰C ---
    400 ⁰C ---
    500 ⁰C ---
    600 ⁰C ---

    Mechanical properties

    Please refer to the table in the downloads section.

  • 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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