1,schedule 20 carbon steel pipe 2,Outer diameter:10mm~900mm 3,thickness:1mm~90mm 3,length:0.1m~12m Materials: 19mn5 ... shape: we supply steel round bar ,wire rods,pipe,plate,coil,flat steel,square steel,angle steel, ... NDT.Chemical elementCSiMnCr NiCu0.05~0.80.17~0.370.25~1.2≤0.25≤030≤0.25 Mechanical PropertyTensile Strength195~1130Yield ... .At last,Happy every day for you! seamless carbon steel pipe 20#