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
<=0.20
<=0.35
<=1.40
<=0.045
<=0.045
Mechanical Properties
Tensile Strength
370-500 MPa
Yield Strength
>=235 MPa
Elongation
>=26%
Condition
Hot rolled, controlled rolled or normalized; yield up to 16 mm, elongation up to 40 mm (N/mm2 = MPa)
Typical Available Sizes
Round Bar
12-300 mm dia
Flat Bar
20-500 mm width
Sizes are indicative. Contact seller for exact availability.
More data from GB/T 700:2006
From the standard
Yield strength by thickness or diameter6 thickness ranges
Thickness or diameter (mm)
Yield strength ReH, min (N/mm2 = MPa)
up to 16
235
over 16 to 40
225
over 40 to 60
215
over 60 to 100
215
over 100 to 150
195
over 150 to 200
185
Source: GB/T 700:2006, Table 2
Tensile strength1 range
Tensile strength Rm
370 to 500 MPa
Above 100 mm thickness the lower limit may be 20 N/mm2 lower; upper limit not a delivery term for wide strip.
Source: GB/T 700:2006, Table 2
Elongation by thickness or diameter5 thickness ranges
Thickness or diameter (mm)
Elongation A, min (%)
up to 40
26
over 40 to 60
25
over 60 to 100
24
over 100 to 150
22
over 150 to 200
21
Elongation may be 2 % lower (absolute) than the table value.
Source: GB/T 700:2006, Table 2
Impact test (V-notch)Charpy V-notch
Test temperature
+20 deg C
Absorbed energy, longitudinal, min
27 J
May be waived for thickness under 25 mm with buyer consent if the supplier ensures the energy. Test applies to thickness 12 mm and over or diameter 16 mm and over.
Source: GB/T 700:2006, Table 2
Cold bend test 180 degB = 2a
Sample direction
Up to 60 mm, bend diameter d
Over 60 to 100 mm, bend diameter d
Longitudinal
a
2a
Transverse
1.5a
2.5a
a is the sample thickness or diameter; above 100 mm by negotiation.