進口P20模具鋼與P20HH模具鋼的力學性能 | ||||||
牌號等級 | Hardness |
Tensile Strength |
Yield Strength |
Elongation % in 2” |
Reduction of Area % of .505” |
|
Rockwell C | Brinell | |||||
P20 MD | 29-34 | 277-321 |
135,000 psi 931 MPa |
115,000 psi 793 MPa |
15.0 | 40.0 |
P20 Hi-Hard | 36-39 | 331-363 |
165,000 psi 1138 MPa |
140,000 psi 965 MPa |
12.0 | 30.0 |