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AFNOR 316F21

316F21


316F21 material is AFNOR NF A 49-214 Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery.

Chemical composition of 316F21, 316F21 mechanical properties, 316F21 datasheet, 316F21 equivalent grade, Heat treatment and temperature process of 316F21.


316F21 property sheet

316F21 Spec.

AFNOR NF A 49-214
Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery

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Chemical Composition of 316F21

C: 0.05 0.10
Si: Max 1.00
Mn: Max 2.00
P: Max 0.040
S: Max 0.030
Cr: 16.00 18.00
Ni: 12.00 14.00
Mo: 2.00 2.50
B: 0.0015 0.0060
Ti: 4×C 0.70

Mechanical Properties of 316F21

Rp0.2 (MPa) 348 (≥)
Rm (MPa) 572 (≥)
AKV (J) 22
A (%) 33
Z (%) 32
Hardness HBW 322

316F21 shape and dimensions

316F21 Round bar: 1mm-800mm
316F21 Square bar: 10mm * 10mm-600mm *600mm
316F21 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
316F21 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
316F21 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
316F21 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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