astm a500 grade b square steel pipe
1 material :ASTM a500 b steel pipe/tube 2.length:2-12m MOQ:5 ton 3.OD:1/8-40 inch WT 1.24-114.3mm 4.API5L&ISO9001certificate
astm a500 grade b square steel pipe
1 material :ASTM a500 b steel pipe/tube 2.length:2-12m MOQ:5 ton 3.OD:1/8-40 inch WT 1.24-114.3mm 4.API5L&ISO9001certificate
astm a500 grade b square steel pipe