Trademark: Shougang Mill Commodity: Low price Seamless steel pipe Short Delivery Time: 25~45 ... A53 Gr.ASt 37-2 ASTM A179-CSt 35.8 ASTM A214-CSt 35.4 ASTM A192 20#ASTM ... 17175 seamless steel tube for elevated temperature Material: St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44 DIN 2391 cold drawn ... Application: Structural using, welding, and any other constructing uesage. Low price Seamless steel pipe