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
<=0.15
<=1.00
<=0.040
<=0.030
<=0.50
11.5-13.0
<=0.60
Mechanical Properties
Tensile Strength
>=485 MPa
Yield Strength
>=205 MPa
Elongation
>=25%
Hardness
<=217 HB
Condition
Plate, sheet and strip; yield by 0.2 percent offset
More data from ASTM A240/A240M:2025
From the standard
Mechanical properties1 condition(s)
Product or thickness
Tensile strength, min (MPa)
Yield strength, min (MPa)
Elongation in 50 mm, min (%)
All
485
205
25
Minimum values; yield strength by the 0.2 percent offset method. Material 0.050 in. [1.27 mm] and under in thickness shall have a minimum elongation of 20 %.
Source: ASTM A240/A240M:2025, Table 2
Hardness1 condition(s)
Product or thickness
Brinell HBW, max
Rockwell, max
All
217
96 HRBW
Maximum values; either Brinell or Rockwell scale may be used.
Source: ASTM A240/A240M:2025, Table 2
Cold bend1 value
Cold bend angle
180 deg
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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