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A 688 Grade TP 304N


A 688 Grade TP 304N material is SAE A 688/A 688M (2012) Welded Austenitic Stainless Steel Feedwater Heater Tubes Welded Austenitic Stainless Steel Feedwater Heater Tubes.

Chemical composition of A 688 Grade TP 304N, A 688 Grade TP 304N mechanical properties, A 688 Grade TP 304N datasheet, A 688 Grade TP 304N equivalent grade, Heat treatment and temperature process of A 688 Grade TP 304N.


A 688 Grade TP 304N property sheet

A 688 Grade TP 304N Spec.

SAE A 688/A 688M (2012)
Welded Austenitic Stainless Steel Feedwater Heater Tubes

Chemical Composition of A 688 Grade TP 304N

C: Max 0.08
Si: Max 0.75
Mn: Max 2.00
P: Max 0.045
S: Max 0.03
Cr: 18.0 20.0
Ni: 8.00 10.5
N: 0.10 0.16

Mechanical Properties of A 688 Grade TP 304N

Rp0.2 (MPa) 257 (≥)
Rm (MPa) 924 (≥)
AKV (J) 43
A (%) 14
Z (%) 24
Hardness HBW 411

A 688 Grade TP 304N shape and dimensions

A 688 Grade TP 304N Round bar: 1mm-800mm
A 688 Grade TP 304N Square bar: 10mm * 10mm-600mm *600mm
A 688 Grade TP 304N Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
A 688 Grade TP 304N Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
A 688 Grade TP 304N Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
A 688 Grade TP 304N Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes