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SUH 661


SUH 661 material is JIS G 4312 (2011) Heat-resisting steel plate, sheet and strip Heat-resisting steel plate, sheet and strip.

Chemical composition of SUH 661, SUH 661 mechanical properties, SUH 661 datasheet, SUH 661 equivalent grade, Heat treatment and temperature process of SUH 661.


SUH 661 property sheet

SUH 661 Spec.

JIS G 4312 (2011)
Heat-resisting steel plate, sheet and strip

Related Materials

SUH 661
SUH 661

Chemical Composition of SUH 661

C: 0.08 0.16
Si: Max 1.00
Mn: 1.00 2.00
P: Max 0.04
S: Max 0.03
Cr: 20.00 22.50
Ni: 19.00 21.00
Mo: 2.50 3.50
W: 2.00 3.00
Co: 18.50 21.00
Nb: 0.75 1.25
N: 0.10 0.20

Mechanical Properties of SUH 661

Rp0.2 (MPa) 946 (≥)
Rm (MPa) 439 (≥)
AKV (J) 21
A (%) 43
Z (%) 41
Hardness HBW 341

SUH 661 shape and dimensions

SUH 661 Round bar: 1mm-800mm
SUH 661 Square bar: 10mm * 10mm-600mm *600mm
SUH 661 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUH 661 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUH 661 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUH 661 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes