|
Symbol
|
Chemical composition
|
|||||||
|
C
max
|
Si
|
Mn
|
P
|
S
max
|
Cu
|
Cr
|
Ni
max
|
|
|
0.12
|
0.25-0.75
|
0.20-0.50
|
0.070-0.150
|
0.040
|
0.25-0.60
|
0.30-1.25
|
0.65
|
|
|
Symbol
|
Thickness
|
Yield point or proof stress
N/mm2 (min)
|
Tensile strength
N/mm2 min
|
Elongation % min
|
Tensile test piece
|
Bendability
|
||
|
Bending
Angle
|
Inside radius
|
Test piece
|
||||||
|
≤ 6.0
|
345
|
480
|
22
|
NO.5
|
180°
|
Thickness x 1.5
|
No.1 in rolling direction
|
|
|
>6.0
|
355
|
490
|
15
|
NO.1A
|
180°
|
Thickness x 1.5
|
||
Source:
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