STEEL PLATES GUIDE
List of steel plates
| Plates series | Plates series | High-precision ground plates |
Ground plates | Ground plates for wedm | Milled plates | Finished plates |
With water hole and heater hole | |
| Finishing | Finishing | Polished 6-face surface |
Polished 6-face surface |
Top & bottom 2-face: Polished surface Others : Milled |
Milled 6-face surface |
Top & bottom 2-face: Rotary-polished Others:Milled |
Top & bottom 2-face: Polished surface Rotary-polished Milled Others:Milled |
|
| Material (Hardness) |
S50C (Annealed) |
Standard | - | S50CSP | S50CWP | S50CFP | S50CRP | - |
| Free size | - | F-S50CSP | *T-S50CWP | F-S50CFP | F-S50CRP | M-S50CFP M-S50CRP M-S50CSP |
||
| NAK55 (37~43HRC) |
Standard | - | NAK55SP | NAK55WP | NAK55FP | NAK55RP | - | |
| Free size | NAK55HP NAK55MP |
F-NAK55SP | *T-NAK55WP | F-NAK55FP | F-NAK55RP | - | ||
| NAK80 (37~43HRC) |
Standard | - | NAK80SP | NAK80WP | NAK80FP | NAK80RP | - | |
| Free size | NAK80HP NAK80MP |
F-NAK80SP | *T-NAK80WP | F-NAK80FP | F-NAK80RP | - | ||
| STAVAXESR® (27~35HRC) |
Standard | - | STAVAXSP | STAVAXWP | STAVAXFP | - | - | |
| Free size | - | F-STAVAXSP | *T-STAVAXWP | F-STAVAXFP | - | - | ||
| PX5 (30~33HRC) |
Standard | - | PX5SP | PX5WP | PX5FP | - | - | |
| Free size | - | F-PX5SP | *T-PX5WP | F-PX5FP | - | - | ||
| DH2F (38~42HRC) |
Standard | - | - | DH2FWP | DH2FFP | - | - | |
| Free size | - | - | *T-DH2FWP | F-DH2FFP | - | - | ||
| SKD11 (Annealed) |
Standard | - | - | SKD11WP | SKD11FP | SKD11RP | - | |
| Free size | - | - | *T-SKD11WP | F-SKD11FP | F-SKD11RP | - | ||
STAVAXESR® is a registered trademark of UDDEHOLM TOOL CO.*Free size of ground plates for wedm are thickness T 0.01mm increments type.
Material characteristics of steel plates
| Items | Mechanical property | Physical property | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Tensile strength | Proof stress | Charpy impact | Coefficient of thermal expansion | Coefficient of thermal conductivity | Specific gravity | ||||
| 20°C | 20°C | - | 20°C~ 100°C |
20°C~ 200°C |
100°C | 200°C | 20°C | ||
| Unit | N/mm2 | N/mm2 | J/cm2 | ×10-6/°C | ×10-6/°C | W(m·°C) | W(m·°C) | g/cm2 | |
| Material | S50C | Quenching 810~860 water-cooled Tempering 550~650 rapid-quenched 740 or more |
540 or more | 69 or more | 11.5 | 12.3 | 50.2 | 46 | 7.87 |
| NAK55 | 1255 | 981 | 18 | 11.3 | 12.5 | 38.9 | 41.9 | 7.8 | |
| NAK80 | 1255 | 1010 | 21.5 | 11.3 | 12.5 | 38.9 | 41.9 | 7.8 | |
| STAVAXESR® | 1130 | 900 | 10.0 | 10.7 | 11 | (20°C) 16 |
20 | 7.8 | |
| PX5 | 990 | 880 | 65 | 11.9 | 12.7 | 42.4 | 42.1 | 7.85 | |
| DH2F | 1330 | 1100 | 40 | 8.9 | 10.8 | 25.5 | - | 7.75 | |
| SKD11 (Quenched 57~60 HRC) | Approx. 1000 |
Approx. 1000 | 30 | 12 | 12.5 | 27.2 | - | 7.7 | |
The data will vary depending upon heat treatment conditions and also the conditions of use, so use it only as a rough guide.
STAVAXESR® is a registered trademark of UDDEHOLM TOOL CO.







