H11
STANDARDS : X37CRMOV5-1
H11
DIN 2343
AISI H11
AFNOR Z38CDV5
| C 0.37 | Si 1.00 | Cr 5.4 | Mo 1.28 | V 0.40 |
Bharat Metals is the largest Supplier & Stockiest of H11 Hot Work Steel.
H11 is an all inclusive hot work tool steel with hot rigidity and durability. Good thermal conductivity and invulnerability to hot cracking and can be water cooled to a constrained degree.
Utilized for ejector pins, apparatus holders and shrink fit chucks.
Steel Properties
Hot work tool steel with Chromium 5% has high strength and toughness, best thermal physical phenomenon and in susceptibility to hot cracking. This provides the essential necessities for long tool life in die-casting , Press Forging , extrusion processes etc.
Physical Properties
| Coefficient of thermal expansion at °C | 20-100 | 20-200 | 20-300 | 20-400 | 20-500 | 20-600 | 20-700 |
|---|---|---|---|---|---|---|---|
| 10-6 m/(m*K) | 11.7 | 12.3 | 12.5 | 12.7 | 12.75 | 12.9 | 12.9 |
| Thermal Conductivity °C | 20 | 350 | 700 |
|---|---|---|---|
| W/(m*K)Annealed | 29.8 | 30.0 | 33.5 |
| W/(m*K) Quenched & Tempered | 26.7 | 27.4 | 30.4 |
Application
Besides applications typical for the 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, and shrink work chucks.
Heat Treatment
| Soft annealing °C | Cooling | Hardness HB |
|---|---|---|
| 750-800 | Furnace | max. 230 |
| Stress-relief annealing °C | Cooling |
|---|---|
| approx. 600 – 650 | Furnace |
| Hardening °C | Quenching | Hardness after quenching HRC |
|---|---|---|
| 1000 – 1030 | Air ,oil or saltbath, 500 – 550 °C | 54 |
| Tempering °C | 100 | 150 | 200 | 400 | 500 | 550 | 600 | 650 | 700 |
|---|---|---|---|---|---|---|---|---|---|
| HRC | 52 | 52 | 52 | 52 | 54 | 53 | 48 | 37 | 31 |
