Name Reducer Size 1/2"-48" Style Concentric and eccentric Thickness SCH20,SCH30,SCH40,STD,SCH80,SCH100.SCH120,SCH160.XXS Material Carbon steel:ASTM A234 WPB,WPC; ASTM A420 WPL1,WPL3,WPL6,WPHY42,46,52,56,60,65,70 Alloy steel: ASTM A234 WP1,WP12,WP11,WP22,WP5,WP7,WP8,WP91 Stainless steel: ASME A403 WP304,304L,316,316L,310 Standard ANSI , DIN , JIS , GB,ASTM,JB,SH,YB,SY,HG,API Price Very competitive Quality First grade Certificate ISO9001:2000, API ,BV ,CE Application Range Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc Other special 1.Special designs are available when you offer the any drawing(sketchpad) . 2.Anti-corrosion and high-temperature resistant with black painting 3.All the process are made under the ISO9001:2000 and API strictly .