shandong liaocheng zhongxing steel pipe co.,ltd. liaocheng city,shandong province,china ASTM--A106B size from OD 18-720mm ,thichness 2-50mm s ...Explore More
Seamless Steel Pipe Standard: ASTM, API 5L, DIN Steel Grade: API 5L Gr.B, ASTM A106/A53, St37, St52, P235GH. Thickness: 1.0 to 60mm SCH20-SCH120 ...Explore More
