SB-E is a steel pipe threaded elbow made of rolled mild steel with stove enamel, painted black, with threads on both sides, a socket screwed on one side (SM-E). This threaded elbow is used to connect the painted steel pipe Staro Gewinde-ES. The advantages lie in the very high compressive strength and the extreme temperature resistance.0605 DIN EN 61386-21 Classification: 55561 Minimum compressive strength: 4000N/5cm