Precision seamless steel pipe Standard: DIN 2391.DIN2393 O.D from 8mm to 219mm W.T from 1mm to 12mm Precision seamless steel pipeStandard: ... strength, Elongation, Flaring, Flattening, Hardness, impact) , OD and WT ,No-destructive,HydralicSurface treatment: Oil, varnish, passivationPackage: upon ... requestLooking forward to receive your inquiry.Thank you for taking time to contact us.Best Regards,Ms ...