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SUH 4


SUH 4 material is JIS G 4311 (2011) Heat-resisting steel bars and wire rods Heat-resisting steel bars and wire rods.

Chemical composition of SUH 4, SUH 4 mechanical properties, SUH 4 datasheet, SUH 4 equivalent grade, Heat treatment and temperature process of SUH 4.


SUH 4 property sheet

SUH 4 Spec.

JIS G 4311 (2011)
Heat-resisting steel bars and wire rods

Chemical Composition of SUH 4

C: 0.75 0.85
Si: 1.75 2.25
Mn: 0.20 0.60
P: Max 0.03
S: Max 0.03
Cr: 19.00 20.50
Ni: 1.15 1.65
Mo: Max Min

Mechanical Properties of SUH 4

Rp0.2 (MPa) 518 (≥)
Rm (MPa) 682 (≥)
AKV (J) 11
A (%) 34
Z (%) 34
Hardness HBW 321

SUH 4 shape and dimensions

SUH 4 Round bar: 1mm-800mm
SUH 4 Square bar: 10mm * 10mm-600mm *600mm
SUH 4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUH 4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUH 4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUH 4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes