ASTM A 335 P12 Steel Pipes

We are leading manufacturer and stockist of ASTM A 335 P12 steel pipes in China.MechanicalTests Specified of ASTM A 335 P12 steel pipesASTM A 335 P12 steel pipes Transverse or Longitudinal Tension Test and Flattening Test,Website:http://www.petrosteels.com, Hardness Test, or Bend TestFor material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.ASTM A 335 P12 steel pipes      Notes for Hardness Test:P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].ASTM A 335 P12 steel pipes      Notes for Bend Test:For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.The inside diameter of the bend shall be 1 inch [25 mm].ASTM A 335 P12 steel pipes Hydrostatic TestEach length of pipe shall be Hydro tested, at option of manufacture, nondestructive electric testing can be used.The types of ASTM A 335 P12 steel pipes  15CrMo  JISG3458 STPA22  JISG3462 STBA22  A335 P12  A369 FP12  A213 T12ONE OF THE KIND, MILLIONS OF CHOICES  SUPERIOR QUALITY  PROMPT DELIVERY  FAVORABLE FEEDBACK  ALL AVAILABLE IN PESCO  SELECT PESCO, YOU WILL BE RIGHTFor more info and price of ASTM A 335 P12 steel pipes, please send us inquiry and you will have quick reply soon.