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GBT ML28B

ML28B


ML28B material is China structural steel and alloy steel.

Chemical composition of ML28B, ML28B mechanical properties, ML28B datasheet, ML28B equivalent grade, Heat treatment and temperature process of ML28B.


ML28B property sheet

ML28B Spec.

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Chemical Composition of ML28B

C 0.25-0.32
Si Max 0.40
Mn 0.60-0.90
P 0.035
S 0.035
Cr —
B 0.0005-0.0035
Al 0.02

Mechanical Properties of ML28B

Rp0.2 (MPa) 724 (≥)
Rm (MPa) 523 (≥)
AKV (J) 24
A (%) 34
Z (%) 13
Hardness HBW 323

ML28B shape and dimensions

ML28B Round bar: 1mm-800mm
ML28B Square bar: 10mm * 10mm-600mm *600mm
ML28B Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
ML28B Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
ML28B Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
ML28B Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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