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backheat-resistant structural steels
heat-resistant structural steels
Quality 1.7218
Grade
25CD4
Material Specifications
EN 10269, KG, 4130, G41300, J24056, AD 2000 W7, AD 2000 W10
Treatment
quenched and tempered, rolled
Mechanical Specifications
600 - 1100 N/mm²
Shape
Round
40 mm - 210 mm
Chemical Analysis
| C: | 0,22 - 0,29 % |
| Cr; 0,9 - 1,2 % | |
| Mn: | 0,6 - 0,9 % |
| Mo: | 0,15 - 0,3 % |
| P: | max. 0,025 % |
| S: | max. 0,035 % |
| Si: | max. 0,4 % |
Application
The material 1.7218 is a heat-resistant Cr-Mo steel for fasteners. The 1.7218 is weldable, in quenched and tempered version it can be used up to 500 degrees C. For fasteners, 1.7218 is standardized in EN 10269.