... /WP316/WP316L/WP321 Name:Carbon Steel Concentric Reducer, Available in 1/2 to 80-inch SizesMaterials:Carbon steel: ASTM A234 ... DN15 to DN2000)Applications: oil, chemical industry, water conservancy, electric power, boiler, machinery, metallurgy, sanitary construction, and morePrimary Competitive Advantages: ... Longjunpipe04 AT gmail com Carbon Steel Concentric Reducer, Available in 1/2 to 80-inch Sizes