Grade DC03
Old Grade
Corresponding Standard Others Q/BB 312-2022
Cold-Rolled Low-Carbon Steel Sheet and Strip
Classification Carbon Steel
DC03 Chemical Element Composition Content (%)
Component C Mn P S
Minimum Value - - - -
Maximum Value 0.1 0.45 0.025 0.025
DC03 Mechanical Properties
thickness
t
mm
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
t<0.4 270~370 ReL
120~240
≥30
0.4≤t<0.6 270~370 ReL
120~240
≥32
0.6≤t<1 270~370 ReL
120~240
≥34
1≤t<1.6 270~370 ReL
120~240
≥35
t≥1.6 270~370 ReL
120~240
≥36

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