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STEELS FOR PANEL RADIATORS

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In category Cold Rolled

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CHARACTERISTICS

Cold rolled sheets made of low carbon steels are suitable for production of panel radiators. The steels are characterized with improved strength.

KEY FEATURES

   

Products supplies as coils and sheets.

EN ISO 9001
IATF 16949

Ü  /  CE

For selected types of products

KOSIL 200 SR, KODUR 220 SR

Grades according to U. S. Steel Košice

APPLICATIONS

For production of panel radiators. 

TECHNICAL SPECIFICATION

CHEMICAL COMPOSITION

panel radiators

Quality according to
U. S. Steel Košice
Heat analysis in %
CMAX MnMAX SiMAX PMAX SMAX AlMIN NbMAX
KOSIL 200 SR 0,10 - - 0,020 0,025 0,020 -
KODUR 220 SR 0,10 0,30 0,05 0,015 0,015 0,045 0,018

MECHANICAL PROPERTIES

panel radiators

Quality according to
U. S. Steel Košice
Rp0,2 MAX
[MPa]
Rm
[MPa]
A MIN (%)
Lo = 80 mm
Uhol ohybu
180°
KOSIL 200 SR 200 - 265 290 - 370 32 0,5.a
KODUR 220 SR 210 - 290 310 - 400 29 0.a

DIMENSIONS OF SHEETS AND COILS [ mm ]

Nominal thickness Width
  750 1 100 1320 1425 1 500
0,40 - 0,49            
0,50 - 0,59          
0,60 - 0,69        
0,70 - 2,00      

The width of 700 - 749 mm at the thickness of 0,80 - 2,00 mm is the subject to prior agreement
NOTE: thickness is graded by 0,01 mm.

THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10131/06 [ mm ]

Re < 260 MPa

Nominal thickness Normal tolerances at width Reduced tolerances at width
≤­­ 1 200 >1 200 ≤­­ 1 500 ≤­­ 1 200 >1 200 ≤­­ 1 500
> 0,40 ≤ 0,60 ± 0,03 ± 0,04 ± 0,025 ± 0,030
> 0,60 ≤ 0,80 ± 0,04 ± 0,05 ± 0,030 ± 0,035
> 0,80 ≤ 1,00 ± 0,05 ± 0,06 ± 0,035 ± 0,040
> 1,00 ≤ 1,20 ± 0,06 ± 0,07 ± 0,040 ± 0,050
> 1,20 ≤ 1,60 ± 0,08 ± 0,09 ± 0,050 ± 0,060
> 1,60 ≤ 2,00 ± 0,10 ± 0,11 ± 0,060 ± 0,070

NOTE: reduced tolerances are subject to prior agreement

SHEET FLATNESS TOLERANCES1) IN ACCORDANCE WITH EN 10131/06 [ mm ]

Re < 260 MPa

Nominal width Normal tolerances at thickness Reduced tolerances2) at thickness
< 0,70 ≥­­ 0,70 < 1,20 ≥­­ 1,20 < 0,70 ≥­­ 0,70 < 1,20 ≥­­ 1,20
≥ 600 < 1 200 10 8 7 5 4 3
≥ 1 200 < 1 500 12 10 8 6 5 4
≥ 1 500 17 15 13 8 7 6

1) coil flatness tolerances are subject to prior agreement
2) reduced tolerances are subject to prior agreement

SURFACE FINISH AND ROUGHNESS VALUES

Surface finish Symbol Roughness
Bright b Ra ≤­­ 0,9 μm
Matt m 0,6 μm < Ra ≤­­ 1,9 μm
Rough r Ra > 1,6 μm

Other surfaces are subject to prior agreement.

OTHER FEATURES

SURFACE TREATMENT

  • non-oiled - without corrosion guarantee
  • oiled - oil weight 0,5 - 2,5 g.m-2)
    (electrostatically applied oil layer)

WELDABILITY

  • steels are suitable for welding with standard techniques

logistics INFORMATION

We offer flexible product delivery with multiple options for packaging and methods of transportation.

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