High Speed Steel 1.3355/t1/skh2/2750
1.Chemical Composition
|
Standard |
Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
W |
|
DIN |
1.3355 |
0.70-0.78 |
≤0.45 |
≤0.40 |
0.030 |
0.030 |
3.80-4.50 |
|
1.00-1.20 |
17.50-18.50 |
|
ASTM |
T1 |
0.65-0.80 |
0.20-0.40 |
0.10-0.40 |
0.030 |
0.030 |
3.75-4.50 |
|
0.90-1.30 |
17.25-18.25 |
|
GB |
W18Cr4V |
0.70-0.80 |
0.20-0.40 |
0.10-0.40 |
0.030 |
0.030 |
3.80-4.40 |
<0.30 |
1.00-1.40 |
17.50-19.00 |
2.Demensions
|
round |
diameter(mm) |
length(mm) |
- |
|
70~500 |
2000~5800 |
- |
|
|
plate |
thichkness(mm) |
width(mm) |
length(mm) |
|
70~500 |
30~1000 |
2000~5800 |
3. Annealed Hardness
|
HBS≤240-300 |
4.Process of Production
|
EAF+LF+VD+ESR+Forged or hot rolled+Heat Treatment(optional) |
5. Condition of Surface
|
black |
rough machined |
turned/milled |
6. Quality Control
|
Supply MTC. or third party inspection. |