Carbon Steel Concentric Reducer

1.product:butt welding, socket welding, seamless or welded steel pipe reducers. 2.size:12" to 72". 3. Thickness:sch20,sch30,sch40,std,sch80,sch100,sch120,sch160,xxs. 4.type:concentric reducer & eccentric reducer 5.standard:astm a234,mss sp-75,asme b16.9,asme 16.28. Din 2605, din 2615, din 2616, din 2617. Jis b2311, jis b2312, jis b2313. 6.material:astm a234 wpb,carbon steel,stainless steel,low alloy,etc.(seam & seamless). 7.packing:wooden cases & pallets. 8.coatings:black rust-proof oiled,transparent oiled,hot