Steel 1.2782 - ZF2
1.2782 - ZF2 steel:
excellent scale and corrosion resistance.
What?
1.2782 – ZF2 steel is a high alloyed steel with austenitic microstructure that has an excellent scale and corrosion resistance and high-temperature strength.
Material properties
properties of steel type 1.2782 – ZF2
- Scale and corrosion resistance.
- Good warmtebestendigheid.
Application
The most common applications for steel type 1.2782 – ZF2
- Upper and lower sections of glass moulds, high output with best surface quality of the glass (crystal lustre), gathering irons, mouthpieces and blowing pipes in the glass industry.
- Fittings for furnace construction, such as rollers, rails, axles.
- Equipment for heat treating companies.
Delivery condition
Quenched, i.e. ready for use with the following properties:
0,2% yield strength Rp0,2 = ≥ 230 MPa
Tensile strength Rm= 550 – 800 MPa
Tinder resistance up to approx. 1150 °C
Physical properties of 1.2782 - ZF2
| Temperature in °C | 20-100 | 20-200 | 20-400 | 20-600 |
|---|---|---|---|---|
| Thermal expansion in 10-6m/m x K | 16.0 | 16.5 | 17.0 | 17.5 |
| Temperature in °C | 20 | |||
| Thermal conductivity in W/m x K | 14.7 | |||
| Temperature in °C | 20 | |||
| Density in g/cm3 | 7.9 | |||
| Temperature in °C | 20 | |||
| E module in GPa | 198 |
Heat treatment
| Soft annealing | Temperature: 1050 – 1100 °C |
|---|---|
| Cooling: water | |
| Preheat before use | Temperature: 350 – 400 °C |