Material:Gr1,Gr2,Gr5,Gr7 Standard:ASTM B863 Purity:99.7% Diameter:0.5m~5mm Certificate:SGS Test Report ISO 9001:2000 Material:Gr1,Gr2,Gr5,Gr7Standard:ASTM B863Purity:99.7%Diameter:0.5m~5mmCertificate:SGS Test Report ISO 9001:2000Unique corrosion resistance,light weight,high strength,high performance in different working surroundings black titanium wire