IS Machine Pte Ltd supplies high-quality graphite electrode material for CNC die-sinking EDM machines. We stock multiple grades from leading brands โ from ultra-fine finishing grades to coarser roughing grades โ to suit your machining requirements. Contact us for pricing and availability.
| Grade | Density (g/cmยณ) | Grain Size (ฮผm) | Application |
|---|---|---|---|
| E+DS4 | 1.82 | 4 | Ultra-fine finishing |
| E+50 | 1.86 | 5 | Fine finishing |
| E+40 In Stock | 1.78 | 7 | Finishing |
| E+25 | 1.82 | 9 | Intermediate |
| E+20 | 1.80 | 11 | Intermediate |
| E+18 | 1.76 | 12 | Roughing |
| VDI 3400 | 12 | 15 | 18 | 21 | 24 | 27 | 30 | 33 | 36 | 39 | 42 | 45 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ra (ฮผm) | 0 | 0.6 | 0.8 | 1.12 | 2 | 2.24 | 3.15 | 4.5 | 6.3 | 9 | 13 | 18 |
| โ Finishing | Intermediate | Roughing โ | ||||||||||
| Grade | Classification | Avg Particle Size (ฮผm) | Flexural Strength (psi) | Compressive Strength (psi) | Hardness (Shore) |
|---|---|---|---|---|---|
| EDM-AF5 | Ultrafine | <1 | 17,000 | 27,000 | 87 |
| EDM-C3 | Ultrafine | <5 | 16,500 | 30,000 | 67 |
| EDM-4 | Ultrafine | <4 | 15,800 | 23,000 | 76 |
| EDM-3 In Stock | Ultrafine | <5 | 13,500 | 21,500 | 76 |
| EDM-2 | Ultrafine | <5 | 10,000 | 18,000 | 73 |
| EDM-1 | Ultrafine | <5 | 7,500 | 15,000 | 70 |
| EDM-200 | Superfine | 10 | 9,000 | 16,000 | 64 |
| C200 | Superfine | 10 | 13,000 | 23,000 | 60 |
| EDM-150 | Fine | 14 | 7,800 | 14,500 | 68 |
| EDM-100 | Fine | 20 | 6,500 | 12,500 | 58 |
ยฉ 2024 IS Machine PTE LTD. All rights reserved. | V2.2 ยท 2026-04-19