Staro Steck-ES-V is a heavy galvanized steel pipe made of rolled mild steel with a zinc coating in accordance with EN ISO 1461, in 3m bars. This steel pipe is used for increased mechanical requirements and for outdoor installations. The advantages are the high pressure resistance, temperature resistance and corrosion protection. This product is suitable for laying cables with functional integrity (E30/ E60/ E90) and has been tested in the system.0605 DIN EN 61386-21 Classification: 44571 Minimum compressive strength: 1250N/5cm