Astm A53 Seamless Steel Pipe Posted By Zmcmetal -
China
Summary: specfication astm a106 a53 api 5l gr 1 4 quot 28 od 13 7 mm 711 2 schedule sch20
Astm A53 Sqaure Steel Pipe Posted By HollowSections -
China
Summary: 1 astm a53 square steel pipe 2 3 grade 4 20x20 shs 250x250 5 thickness 6mm 9 0mm