... steel pipe standard:ASTM,DIN,JIS,GB,EN and so on size:10.3~813 thickness:1.24~59.54 quan ... ,JIS and so onOut Diameter21.3mm—457mm (1/2”-22”)Wall Thickness2mm-70mmGrade10#,20#,45#,16Mn,27SiMn,Q235,ST42,ST52,,A106 ... requestments Marking: as per customer’s requests Painting varnish coating on the pipe Plastic caps at ends Delivery Time20-35 days ...