china steel supplier sae4130 4140 cold rolled honed pipe


China SAE4130 Cold Rolled Precision Honed Steel Tubes

China SAE4130 Cold Rolled Precision Honed Steel Tubes

China SAE4130 Cold Rolled Precision Honed Steel Tubes, Find details about China Precision Steel Tube, Precision Steel Pipe from SAE4130 Cold Rolled Precision Honed Steel Tubes - Shandong Tongmao Special Steel Co., Ltd. 40cr Sae4130 4140 Alloy Hydraulic Cylinder Honed Steel (2)cold drawn steel tube/cold rolled steel tube/cold rolled pipe/cold drawn pipe. Grade:20# 45# 16Mn 25Mn 27SiMn E355 ST52 STKM11A STKM13A SAE4130 4140. Standard:GB/T8713 GB/T3639 DIN2391 EN10305 ASTMA519. Range:30-300mm. Length:11m(max) SAE4130 SAE4140 Mechanical Precision Steel Tubes China China SAE4130 SAE4140 Mechanical Precision Steel Tubes with High-Quality, Leading SAE4130 SAE4140 Mechanical Precision Steel Tubes Manufacturers & Suppliers, find SAE4130 SAE4140 Mechanical Precision Steel Tubes Factory & Exporters. En10305-4 ck45 precision cold drawn steel pipe Cold Rolled Cylinder Seamless Carton 4130 Tube Steel cylinder seamless cold rolled China steel tube. Honed Tube, Hydraulic Cylinder Tube, Seamless Steel Pipe SAE4140 4130 Cold Rolled BKS Carbon Steel Tube--Come from Yantai Xinpeng CERTIFICATE We always believe all success of our company is directly related to the quality of the products we offer.They meet the highest quality requirement from our customer. sae4130 alloy steel pipe For heavy Duty Constructions