 
            | 進(jìn)口P20模具鋼與P20HH模具鋼的力學(xué)性能 | ||||||
| 牌號(hào)等級(jí) | 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 |