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A 803 Grade 18-2


A 803 Grade 18-2 material is SAE A 803/A 803M (2012) Welded Ferritic Stainless Steel Feedwater Heater Tubes Welded Ferritic Stainless Steel Feedwater Heater Tubes.

Chemical composition of A 803 Grade 18-2, A 803 Grade 18-2 mechanical properties, A 803 Grade 18-2 datasheet, A 803 Grade 18-2 equivalent grade, Heat treatment and temperature process of A 803 Grade 18-2.


A 803 Grade 18-2 property sheet

A 803 Grade 18-2 Spec.

SAE A 803/A 803M (2012)
Welded Ferritic Stainless Steel Feedwater Heater Tubes

Chemical Composition of A 803 Grade 18-2

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.03
Ni: 13.00 15.00
Cr: 17.00 19.00
Al: Max Min
Cu: Max Min
Ti: Max Min
Fe: Max Min
N: Max Min
Mo: 1.75 2.75
V: Max Min

Mechanical Properties of A 803 Grade 18-2

Rp0.2 (MPa) 713 (≥)
Rm (MPa) 645 (≥)
AKV (J) 12
A (%) 24
Z (%) 31
Hardness HBW 213

A 803 Grade 18-2 shape and dimensions

A 803 Grade 18-2 Round bar: 1mm-800mm
A 803 Grade 18-2 Square bar: 10mm * 10mm-600mm *600mm
A 803 Grade 18-2 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 803 Grade 18-2 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 803 Grade 18-2 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 803 Grade 18-2 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes