... Chopped steel fiber , concrete steel fiber for high weigh building 1.ISO 9001 certificated 2.70% for Europe, Middle Asia, America market 3 ... .Length: meet your requirements4.tensile strength >1000Mpa6.Feature: excellent tensile,high tenacity,against cracking,impact and fatigueUsage: highway road surface,tunnel ... °C 1400-1450°C 1425-1510°C 1500-1580°C High quality steel fiber for concrete reinforcement