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SM55


SM55 material is Plastic mould with flat steel .

Chemical composition of SM55, SM55 mechanical properties, SM55 datasheet, SM55 equivalent grade, Heat treatment and temperature process of SM55.


SM55 property sheet

SM55 Spec.

Related Materials

Chemical Composition of SM55

C 0.52~0.58
Si 0.17~0.37
Mn 0.50~0.80
P ≤0.030
S ≤0.030

Mechanical Properties of SM55

Rp0.2 (MPa) 396 (≥)
Rm (MPa) 379 (≥)
AKV (J) 31
A (%) 42
Z (%) 41
Hardness HBW 434

SM55 shape and dimensions

SM55 Round bar: 1mm-800mm
SM55 Square bar: 10mm * 10mm-600mm *600mm
SM55 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SM55 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SM55 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SM55 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes