astm a135 a53 carbon seamless steel pipe a106b galvanized pipe
USD $480 - $580 /Ton
Min.Order:1 Ton
Shandong Tianzan Steel Co., Ltd.
S45C Zinc coated hot dipped GI seamless galvanized Round steel pipe used for greenhouse
ASTM A333 tubo de acero galvanizado thin wall 68.5mm galvanized steel pipe size
8 inch schedule 40 galvanized round Corrugated pipe tube seamless carbon steel tubes
High quality A283 A135 A53 13 inch galvanized seamless steel pipe