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
Ni
<=0.15
<=1.00
<=1.00
<=0.040
<=0.030
11.50-13.50
<=0.60
Mechanical Properties
Tensile Strength
>=440 MPa
Yield Strength
>=205 MPa
Elongation
>=20%
Hardness
<=201 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
205 MPa
Tensile strength, min
440 MPa
Elongation, min
20 %
0.2 percent proof strength applies only when specified by the purchaser. 1 N/mm2 = 1 MPa.
Source: JIS G 4305:2012, Table 12
Hardness, annealed3 scales
Brinell hardness HBW, max
201
Rockwell HRBW or HRBS, max
93
Vickers hardness HV, max
210
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 12
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 12
Heat treatment (example, informative)1 settings
Annealing
about 750 deg C rapid cooling, or 800 to 900 deg C slow cooling
Annex JA is informative; temperatures are examples.
Source: JIS G 4305:2012, Table JA.4
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