Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C
Si
Mn
P
S
Cr
Mo
N
Ni
Cu
<=0.010
<=0.40
<=0.40
<=0.030
<=0.020
28.50-32.00
1.50-2.50
<=0.015
<=0.50
<=0.20
Mechanical Properties
Tensile Strength
>=450 MPa
Yield Strength
>=295 MPa
Elongation
>=22%
Hardness
<=207 HB
Condition
Annealed plate and strip; proof strength applies only when specified by the purchaser
More data from JIS G4305:2012
From the standard
Mechanical properties, annealed3 values
0.2 percent proof strength, min
295 MPa
Tensile strength, min
450 MPa
Elongation, min
22 %
0.2 percent proof strength applies only when specified by the purchaser. 1 N/mm2 = 1 MPa.
Source: JIS G 4305:2012, Table 11
Hardness, annealed3 scales
Brinell hardness HBW, max
207
Rockwell HRBW or HRBS, max
95
Vickers hardness HV, max
220
Any one of the hardness scales applies; if not specified the manufacturer selects. HRBW is used in case of dispute.
Source: JIS G 4305:2012, Table 11
Bend test2 values
Bend angle
180 deg
Inside radius
1.0 x thickness
No cracks on the outside of the test piece.
Source: JIS G 4305:2012, Table 11
Heat treatment (example, informative)1 setting
Annealing
900 to 1050 deg C, rapid cooling
Annex JA is informative; temperatures are examples.
Source: JIS G 4305:2012, Table JA.3
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