SPHE steel plate under JIS G3131 standard which is the stamping and cold forming steel. SPHE steel generally is used to make different kinds of cold extrusion dies, punches, cutting tools, cold-punched die, cold heading die, rolling dies and wire-drawing die.
Symbol |
Chemical composition/% |
|||
SPHE |
C max |
Mn max |
P max |
S max |
0.10 |
0.50 |
0.030 |
0.035 |
SPHE steel mechanical properties:
Grade |
Thickness mm |
Elongation (Min %) |
Tensile Mpa |
SPHE |
|||
≤1.6 |
31 |
≥270 |
|
1.6-<2.0 |
33 |
||
2.0-<2.5 |
35 |
||
2.5-<3.2 |
37 |
||
3.2-<4.0 |
39 |
||
≥ 4.0 |
41 |