... 20mm length: 6meter sell coated carbon seamless steel pipe, seamless steel pipe ASTM A106 Size:A) Thickness: 0.5-26mmB ... Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection, Nondestructive Test (Ultrasonic flaw detector, Eddy current flaw detector), ... Hydrostatic Testsell coated carbon seamless steel pipe, seamless steel pipe ASTM A106· Mill Test Certificate: EN 10204/3 ...