ASTM A240/A240M:2025 N08367: N08367: austenitic (chromium-nickel or chromium-manganese-nickel) stainless steel plate, sheet and strip (UNS number, no type name printed). Specified in ASTM A240/A240M:2025.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C
Mn
P
S
Si
Cr
Ni
Mo
N
Cu
<=0.030
<=2.00
<=0.040
<=0.030
<=1.00
20.0-22.0
23.5-25.5
6.0-7.0
0.18-0.25
<=0.75
Mechanical Properties
Tensile Strength
>=690 MPa
Yield Strength
>=310 MPa
Elongation
>=30%
Hardness
<=100 HRBW
Condition
Sheet and strip (first condition printed); yield by 0.2 percent offset
More data from ASTM A240/A240M:2025
From the standard
Mechanical properties2 condition(s)
Product or thickness
Tensile strength, min (MPa)
Yield strength, min (MPa)
Elongation in 50 mm, min (%)
Sheet and strip
690
310
30
Plate
655
310
30
Minimum values; yield strength by the 0.2 percent offset method.
Source: ASTM A240/A240M:2025, Table 2
Hardness2 condition(s)
Product or thickness
Brinell HBW, max
Rockwell, max
Sheet and strip
-
100 HRBW
Plate
241
-
Maximum values; either Brinell or Rockwell scale may be used.
Source: ASTM A240/A240M:2025, Table 2
Cold bend1 value
Cold bend angle
not required
Bend tests are not required for chromium steels thicker than 1 in. [25 mm] or for any austenitic or duplex steel regardless of thickness.
Source: ASTM A240/A240M:2025, Table 2
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