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NCF 800 HTF


NCF 800 HTF material is JIS G 3467 (2011) Steel tubes for fired heater Steel tubes for fired heater.

Chemical composition of NCF 800 HTF, NCF 800 HTF mechanical properties, NCF 800 HTF datasheet, NCF 800 HTF equivalent grade, Heat treatment and temperature process of NCF 800 HTF.


NCF 800 HTF property sheet

NCF 800 HTF Spec.

JIS G 3467 (2011)
Steel tubes for fired heater

Chemical Composition of NCF 800 HTF

C: 0.05 0.10
Si: Max 1.00
Mn: Max 1.50
P: Max 0.03
S: Max 0.015
Cr: 19.00 23.00
Ni: 30.00 35.00
Cu: Max 0.75
Al: 0.15 0.60
Ti: 0.15 0.60
Fe: remaining Min

Mechanical Properties of NCF 800 HTF

Rp0.2 (MPa) 967 (≥)
Rm (MPa) 581 (≥)
AKV (J) 33
A (%) 11
Z (%) 14
Hardness HBW 342

NCF 800 HTF shape and dimensions

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