Grade
|
C
|
Si
|
Mn
|
P
|
B
|
BR1500HS
|
0.20~0.25
|
≤0.40
|
1.0~1.5
|
≤0.015
|
≤0.0035
|
HSS-Automotive BR1500HS steel Mechanical Properties
Grade
|
Thickness
(mm)
|
Yield strength
(MPa)
|
Tensile strength
(MPa)
|
Elongation
A50
(%)
|
BR1500HS
|
1.75~4.0
|
≥320
|
≤800
|
≥13
|
1500 grade (Heat-treated)
|
950~1250
|
150~1800
|
≥6
|
Remark : The properties after hot stamping has a close relationship with process. Here only for reference.
Hot stamping is the process by deforming the heated steel in a mould to make parts, which take the advantage of a specific feature of metals that the ductility of metals increases and the yield strength decreases rapidly under a high temperature. The steel sheet is heated to the austenite temperature for hot stamping, and then rapidly cooled in the mould. By such a process, parts with tensile strength above 1400MPa can be manufactured.
HSS-Automotive BR1500HS steel preparation before welding : The mess on the welding area should be cleared to keep it clean and dry .
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