1.2661 (38CrCoWV18-17-17)
Classification
| Country |
Section |
Category |
| Germany |
Alloy Tool Steels |
W excluding Groups 24, 25 and 27 |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Co, % |
Cr, % |
V, % |
P, % |
C, % |
S, % |
Mo, % |
W, % |
|---|
| EN ISO 4957 |
82.2–85.5 |
0.15–0.5 |
0.2–0.5 |
4–4.5 |
4–4.7 |
1.7–2.1 |
< 0.03 |
0.35–0.45 |
< 0.02 |
0.3–0.5 |
3.8–4.5 |
Information on suppliers
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
|
|
annealing, soft |
260 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| V |
% |
Vanadium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |