| Equivalent grades |
GB |
DIN |
AISI |
JIS |
BS |
| 4Cr5MoSiV |
1.2343 |
H11 |
SKD6 |
BH11 |
| Chemical Composition |
C |
Si |
Mn |
Cr |
P |
S |
V |
Mo |
Other |
| 0.36-0.42 |
0.90-1.20 |
0.30-0.50 |
4.80-5.80 |
0.03MAX |
0.03MAX |
0.25-0.50 |
1.10-1.40 |
- |
| Available size |
Round Bar |
Diameter |
Length |
| 60-800mm |
2000-6000mm |
| Flat Bar |
Thickness |
Width |
Length |
| 25-400mm |
200-800mm |
2000-6000mm |
| Surface condition |
Black surface/ Grinded/ Machined |
| Annealed hardness |
HB299MAX |
| Characteristics |
Steel H11
Excellent homogeneity , Excellent toughness
High thermal ability, High resistance of thermal shocks
Good thermal conductivity, High cleanliness
Good polishing ability. |
| Applications |
Steel H11
die casting tools(aluminum and aluminum alloys)
extrusion tools of tubes, hot shear knives
barrels and sections made of light metals and alloys
cylinders and screws for plastic processing
hydro forming tools |
| Heat treatment |
Hardening |
| Harden from a temperature of 1000-1040oC followed by air, oil quenching or warm bath quenching 500-550oC. Hardness after quenching is 50-56 HRC. |
| Tempering |
| Tempering temperature: See the data bellow. |
| Tempering Temperature (oC) vs. Hardness (HRC) |
| 100oC |
200oC |
300oC |
400oC |
500oC |
550oC |
600oC |
650oC |
700oC |
- |
| 53 |
52 |
52 |
52 |
54 |
52 |
48 |
38 |
30 |
- |
| 1845 |
1790 |
1790 |
1790 |
1910 |
1790 |
1570 |
1200 |
970 |
- |
