material:SUS304,SUS316L standards:SMS,IDF,ISO,DIN,GB,BPE,BS,3A connection:welding 1.name :45 short elbow /45 degree elbow2.material:SUS304,SUS316L3.standards:SMS,IDF,ISO,DIN,GB,BPE,BS,3A4.connection:welding5.trademark :Haiyu6.size:1.0"-4.0" 45 short elbow