26'', Electric Resistance Welding / High Frequency
Induction (ERW/HFI) production standards
  • API 5L
  • API 5CT
  • ISO 3183
  • EN10208-2
  • DNV-OS-F101
  • AWWA C200
  • ASTM A252
  • ΕΝ10219
100'', Submerged Arc Welding Helical (SAWH) production standards
  • API 5L
  • API 5CT
  • ISO 3183
  • EN10208-2
  • AWWA C200
  • ASTM A252
  • ΕΝ10219
56'', Submerged Arc
Welding Longitudinal (SAWL)
production standards
  • API 5L
  • ISO 3183
  • EN10208-2
  • DNV-OS-F101
  • AWWA C200
  • ASTM A252
Internal lining and external coating production standards
  • DIN 30670
  • DIN 30671
  • DIN 30678
  • DNV-RP-F106
  • NFA 49-710
  • NFA 49-711
  • CAN CSA
  • Z245.20-21
  • API RP 5L2
  • ISO 15741
  • AWWA C210
  • ISO 21809-1
  • ISO 21809-2
  • EN 10301
  • DEP31.40.30.31
  • NACE RP0394


 
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