... 1/2,3,4,5,6,7,8,9,10,11,12,14,16 4Thickness(mm):0.2-40mm 5Length: ... China 7Material standard: A53 GRA/B, Q195,Q215,Q235,10#,20#,45#,16Mn 8Application: Structure, gas and oil, ... 000ton/year 16Advantageousa.Our company produce various specification and models and national standards of galvanized steel pipe b.Using ... 248.33.684.0550260.33.915.44652-1/276.05.169.0180388.95.4911.291004114.36.0216.071255141. ...