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AMS SA-688 S31254

SA-688 S31254


SA-688 S31254 material is AMS SA-688/SA-688M Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes.

Chemical composition of SA-688 S31254, SA-688 S31254 mechanical properties, SA-688 S31254 datasheet, SA-688 S31254 equivalent grade, Heat treatment and temperature process of SA-688 S31254.


SA-688 S31254 property sheet

SA-688 S31254 Spec.

AMS SA-688/SA-688M
Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes

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Chemical Composition of SA-688 S31254

C: Max 0.02
Mn: Max 1.00
Si: Max 0.80
P: Max 0.03
S: Max 0.01
Cr: 19.50 20.50
Ni: 17.50 18.50
Mo: 6.00 6.50
Cu: 0.50 1.00
N: 0.18 0.22

Mechanical Properties of SA-688 S31254

Rp0.2 (MPa) 277 (≥)
Rm (MPa) 937 (≥)
AKV (J) 33
A (%) 33
Z (%) 23
Hardness HBW 434

SA-688 S31254 shape and dimensions

SA-688 S31254 Round bar: 1mm-800mm
SA-688 S31254 Square bar: 10mm * 10mm-600mm *600mm
SA-688 S31254 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SA-688 S31254 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SA-688 S31254 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SA-688 S31254 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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