Stacking Ejector Pins TYPE A-2
Advanced ejector pins machines and technology talented persons guarantee the high output, high quality and high speed production .
High performance cemented carbides for molding;Standard Specification For Square Material and Standard Specifications Of The Rings. Also we can produce the your drawing of ring.
Polarization curve (corrosion current reduced, corrosion rate decreased significantly, corrosion resistance improved significantly)
Grade | Co% | WC Grain size | Hardness | Density | Flexural Strength | Fracture Toughness | Elastic Modulus | Coefficient of Thermal Expansion | |
HRA | HV30 | g/cm3 | MPa | N/mm2 | GPa | 10-6/℃ | |||
MD40B | 12 | Fine | 89.5 | 1380 | 14.2 | 3800 | 17 | 470 | 5.7 |
MD40C | 12 | Fine | 89.7 | 1400 | 14.1 | 3800 | 16 | 470 | 5.7 |
MD40A | 12 | Medium | 88.9 | 1310 | 14.2 | 3700 | 27 | 470 | 5.7 |
MD45A | 15 | Medium | 87.9 | 1200 | 13.9 | 3600 | - | 430 | 6.3 |
TYPE D | |||||
d ±0.002 | D±0.002 | D1±0.05 | L+0.5 +0.3 | l1 | l2 ±0.02 |
1.0 | 5.5 | 3.5 | 55,60 | 18,20 | 18,20 |
1.2 | 5.5 | 3.5 | 55,60 | 18,20 | 18,20 |
1.5 | 5.5 | 3.5 | 55,60 | 18,20 | 18,20 |
1.8 | 6.0 | 4.0 | 55,60 | 18,20 | 18,20 |
2.0 | 6.0 | 4.0 | 55,60 | 18,20 | 18,20 |