HSS-Automotive S700MC steel Chemical composition %
Grade
|
C
|
Si
|
Mn
|
p
|
S
|
Al
|
Nb
|
V
|
Ti
|
Mo
|
S700MC
|
≤0.10
|
≤0..50
|
≤2.10
|
≤0.025
|
≤0.010
|
0.015
|
≤0.09
|
≤0.20
|
≤0.15
|
≤0.50
|
Remarks : Nb + V + Ti ≤0.22%
HSS-Automotive S700MC steel Mechanical Properties
Grade
|
Yield strength
(MPa)
|
Tensile strength
(MPa)
|
Elongation (%)
|
180 degree cold bend, diameter
|
|
Thickness<3mm
Lo=80mm, b=20mm
|
Thickness 3mm
L0=5.65 √ S0
|
||||
S700MC
|
750
|
800-950
|
10
|
12
|
2.0a
|
Remarks :
1 . The yiels strength of 650MPa and 700MPa with thickness >8mm can be 20MPa lower .
2 . Samples for the tensile test are taken in rolling direction. Samples for cold bend test are taken transversely .
HSS-Automotive S700MC steel size range
Grade
|
Size (mm)
|
S700MC
|
3.0~12.0 × 900~1600
|
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