Pipe Bends

Pipe bends define two different kind manufacturing technology.Cold Heat & Hot Pushing.it mainly apply for Oil & Gas transportation,liquid transportation.

Material classification:
Carbon Steel: ASTM A234 WPB/WPC
Alloy Steel: ASTM A234 WP 1-WP12-WP11-WP22-WP 5-WP 91- 15Mo3- 15 CrMoV-35CrMoV
Stainless Steel: ASTM A403 WP 304-304L-316-316L
Low Temperature Steel: ASTM A402 WPL3-WPL6
High Property Steel: ASTM A860 WPHY42-46-52-60-65-70
 
Nondestructive Examination for Pipe bends should be Magnetic Particle or Liquid Penetrant Examined.
for Injurious defects. the area shall be free of cracks,laps, or laminations. all rounded indications greater
than 3mm in any direction shall be classified as imperfections and shall be removed as required.      
 

Pipe Bends