DESCRIPTION
H13 – is a chromium-molybdenum-vanadium alloyed hot-work tool steel that is characterized by good abrasion resistance at both low and high temperatures, high toughness and ductility, high level of machinability, good high-temperature strength and resistance to thermal fatigue, insusceptibility to hot cracking.
Can be water-cooled to a limited extent.
Typical application of H13: besides the application area of hot-work steels, this grade is especially used for ejector pins, tool holders, bridge kind tools, liner holders, forging dies, hot work punches, shrink work chucks, etc.
CHEMICAL COMPOSITION
| Nom. composition |
С |
Mn |
Si |
S |
P |
Сr |
V |
Mo |
Fe |
| Min |
0.32 |
0.20 |
0.80 |
– |
– |
4.75 |
0.80 |
1.10 |
Rest |
| Max |
0.45 |
0.60 |
1.25 |
0.030 |
0.030 |
5.50 |
1.20 |
1.75 |
PHYSICAL PROPERTIES
| Density |
Coefficient of elasticity |
Thermal conductivity at 20°С |
Thermal conductivity at 350°С |
Hardness |
Coefficient of linear expansion, α x 10-6/К |
| g/cm3 |
GPa |
W/mK |
W/mK |
HRC |
100°С |
200°С |
300°С |
500°C |
700°С |
| 7.80 |
210 |
27.20 |
30.50 |
56 |
10.90 |
11.90 |
12.30 |
13.00 |
13.50 |
PRODUCT RANGE
| Finish |
Diameter, mm |
Tolerance |
Hardness, НВ |
| Cold drawn |
10.00 – 18.00 |
-0.09 |
207 – 255 |
| 18.00 – 25.00 |
-0.11 |
| Hot rolled |
6.50 – 20.00 |
+/-0.40 |
| 20.00 – 30.00 |
+/-0.50 |
| 30.00 – 50.00 |
+/-0.60 |
| 50.00 – 75.00 |
+/-0.80 |
| Forged |
75.00 – 80.00 |
+2.00 / -1.00 |
| 80.00 – 100.00 |
+2.50 / -1.00 |
| 100.00 – 120.00 |
+2.50 / -1.50 |
| 120.00 – 140.00 |
+3.00 / -1.50 |
| 140.00 – 160.00 |
+3.00 / -2.00 |
| 160.00 – 180.00 |
+4.00 / -2.00 |
| 180.00 – 200.00 |
+5.00 / -2.00 |
| 200.00 – 220.00 |
+5.00 / -3.00 |
| 220.00 – 240.00 |
+6.00 / -3.00 |
| 240.00 – 250.00 |
+7.00 / -3.00 |
ANALOGUES
| W.N |
AISI |
DIN |
| 1.2344 |
H13 |
X40CrMoV5-1 |
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