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STR616


STR616 material is KS D 3731 (2002) Heat - resisting steel bars Heat - resisting steel bars.

Chemical composition of STR616, STR616 mechanical properties, STR616 datasheet, STR616 equivalent grade, Heat treatment and temperature process of STR616.


STR616 property sheet

STR616 Spec.

KS D 3731 (2002)
Heat - resisting steel bars

Related Materials

STR616

Chemical Composition of STR616

C: 0.20 0.25
Si: Max 0.50
Mn: 0.50 1.00
P: Max 0.04
S: Max 0.03
Cr: 11.00 13.00
Ni: 0.50 1.00
Mo: 0.75 1.25
N: Max Min
Cu: Max 0.30
W: 0.75 1.25
V: 0.20 0.30

Mechanical Properties of STR616

Rp0.2 (MPa) 267 (≥)
Rm (MPa) 248 (≥)
AKV (J) 33
A (%) 41
Z (%) 42
Hardness HBW 424

STR616 shape and dimensions

STR616 Round bar: 1mm-800mm
STR616 Square bar: 10mm * 10mm-600mm *600mm
STR616 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STR616 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STR616 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STR616 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes