... /JIS 10-4000mm PN2.5-40Materials: carbon steel or stainless steel or Alloy Steel Facing method: rust preventing oil, spray ... paint (black, yellow), hot galvanization, cold galvanization or colored electroplate, powder coating and so on. Varieties: threaded ... C207, DIN2527, DIN2631, 2632, 2633, 2634, 2635 BS; OR according to customers' drawings and requirementsMaterial: A105,SS400,304,304L ...