Steel 1.2787 - FAM
1.2787 - FAM steel:
resistance to scale and corrosion.
What?
1.2787 – FAM steel is a high Cr alloyed steel that has good resistance to scale and corrosion.
Material properties
Properties of steel type 1.2787 – FAM
- Good resistance to scale.
- Good resistance to corrosion.
Application
The most common applications for steel type 1.2787 – FAM are:
- Glass moulds for household glass with high requirements in terms of glass quality, also for high-melting-point, technical, hard glass.
Delivery condition
- Hardened and tempered, or specially heat treated, i.e.ready to use.
- Tensile strength Rm= 950 – 1100 MPa.
Physical properties of 1.2787 - FAM steel
Temperature in °C | 20-100 | 20-200 | 20-400 | 20-600 |
---|---|---|---|---|
Thermal expansion in 10-6m/m x K | 10.5 | 11.0 | 12.0 | 12.5 |
Temperature in °C | 20 | |||
Thermal conductivity in W/m x K | 25.1 | |||
Temperature in °C | 20 | |||
Density in g/cm3 | 7.7 | |||
Temperature in °C | 20 | |||
E module in GPa | 213 |
Heat treatment
Soft annealing | Temperatuur: 680 – 720 °C, 8 – 10 hrs |
---|---|
Cooling: slow furnace cooling | |
Hardening | Temperature: 980 – 1030 °C |
Cooling: oil/polymer, interrupt oil or polymer cooling at 120 – 150 °C | |
Tempering | Hardness: see tempering graph |
Mould preheating in the glass industry | Temperature: 350 – 400 °C |