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HR50/45


HR50/45 material is B.S. BS 1449-1-1.4 Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled wide material based on specified minimum strength Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled wide material based on specified minimum strength.

Chemical composition of HR50/45, HR50/45 mechanical properties, HR50/45 datasheet, HR50/45 equivalent grade, Heat treatment and temperature process of HR50/45.


HR50/45 property sheet

HR50/45 Spec.

B.S. BS 1449-1-1.4
Steel plate, sheet and strip. Carbon and carbon-manganese plate, sheet and strip. Specification for hot rolled wide material based on specified minimum strength

Chemical Composition of HR50/45

C: 0.08 0.15
Si: Max 1.00
Mn: Max 1.00
P: Max Min
S: Max 0.020
Cr: 18.00 21.00
Ni: Max remaining
Mo: Max Min
Co: Max 5.00
Ti: 0.20 0.60
Fe: Max 5.00
Al: Max Min
Cu: Max 0.50
B: Max Min
Bi: Max Min
Pb: Max 0.0050
Ag: Max Min

Mechanical Properties of HR50/45

Rp0.2 (MPa) 388 (≥)
Rm (MPa) 427 (≥)
AKV (J) 34
A (%) 34
Z (%) 11
Hardness HBW 334

HR50/45 shape and dimensions

HR50/45 Round bar: 1mm-800mm
HR50/45 Square bar: 10mm * 10mm-600mm *600mm
HR50/45 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
HR50/45 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
HR50/45 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
HR50/45 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes