Hot Rolled SAPH310/SAPH370 steel plate/sheet for Automotive Parts.
Outstanding in SAPH310 Rolleddr steel awability and weldability, this high-strength steel is used in automobile frames and wheels.
Symbol
|
Chemical composition
|
|
P
max
|
S
max
|
|
0.040
|
0.040
|
Symbol
|
Elongation (rolling direction)%
|
Bendability
|
||||||||
NO.5 test piece
|
No.1A test piece
|
|||||||||
≥1.6 <2mm
|
≥2.0 <2.5mm
|
≥2.5
<3.15mm
|
≥3.15
<4.0mm
|
≥4.0
<6.3mm
|
≥6.3mm
|
Bending angle
|
Inside Radius
|
Test piece
|
||
<2.0mm
|
≥2.0
mm
|
|||||||||
33
|
34
|
36
|
38
|
40
|
26
|
180°
|
Flat on itself
|
Thickness x 1.0
|
No.3 transversely to rolling direction
|
|
32
|
33
|
35
|
36
|
37
|
25
|
180°
|
-Thickness x 0.5
|
Thickness x 1.0
|
||
31
|
32
|
34
|
35
|
36
|
24
|
180°
|
Thickness x 1.0
|
-Thickness x 1.0
|
||
29
|
30
|
32
|
33
|
34
|
22
|
180°
|
Thickness x 1.0
|
Thickness x 1.5
|
Symbol
|
Tensile strength N/mm2 min
|
Yield point N/mm2
|
||
<6
|
≥6 <8mm
|
≥8 <14mm
|
||
310
|
195
|
195
|
175
|
|
370
|
225
|
225
|
215
|
|
400
|
255
|
235
|
235
|
|
440
|
305
|
295
|
275
|
Source:
Tags: SAPH400, SAPH400 steel plate