Oerlikon Welding · Submerged arc flux

OP 120 TT

Oerlikon Welding
OP 120 TT Submerged arc flux

Submerged arc flux · Oerlikon Welding

Price on request

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Key features

  • For multipass welding applications
  • Excellent toughness with OE-S2 wires
  • Good slag release in narrow grooves
  • Slightly contributes to the Manganese and Silicium content in the weld

Standards and classifications

Flux EN ISO 14174SA FB 1 66 DC H5 Flux/wire AWS 5.17 AWS 5.23 OE-S2 F7A8/F7P8-EM12K- H4 OE-S2Mo F8A4-EA2-A2 OE-SD2 1NiCrMo F10P4-EG-G

Chemical composition

  1. (WEIGHT %), TYPICAL, ALL WELD METAL
  2. Wire grade C Mn Si Cr Ni Mo
  3. OE-S1 0.05 0.8 0.2
  4. OE-S2 0.06 1.2 0.4
  5. OE-S2Mo 0.06 1.2 0.4 0.5
  6. OE-SD3 1Ni½Mo 0.05 1.6 0.4 0.9 0.5
  7. OE-S2 CrMo1 0.07 1.2 0.3 1.0 0.5
  8. OE-SD2 1NiCrMo 0.06 1.4 0.5 1.0 0.9 0.6

Mechanical properties

  1. , TYPICAL, ALL WELD METAL
  2. Wire
  3. grade Condition* Yield strength
  4. (MPa)
  5. Tensile strength
  6. (MPa)
  7. Elongation
  8. (%)
  9. Impact ISO-V (J)
  10. +20°C 0°C -20°C -40°C -60°C
  11. OE-S1 AW ≥360 440-540 ≥25 ≥150 ≥90
  12. OE-S2 AW ≥ 420 500-600 ≥24 ≥130 ≥100 ≥70 ≥50
  13. OE-S2Mo AW ≥450 600-700 ≥24 ≥90 ≥70 ≥40
  14. OE-SD3
  15. 1Ni½Mo PWHT 620°C/1h ≥580 680-800 ≥30 ≥40
  16. OE-S2
  17. CrMo1 PWHT 680°C/2h ≥380 570-670 ≥22 ≥200 ≥150
  18. OE-S2
  19. CrMo1
  20. PWHT
  21. 920°C/air+720°C ≥310 430-530 ≥28 ≥200
  22. OE-SD2
  23. 1NiCrMo AW ≥760 840-870 ≥24 ≥40
  24. OE-SD2
  25. 1NiCrMo PWHT 660°C/3h ≥590 690-720 ≥26 ≥27
  26. *AW = As welded; PWHT = Post weld heat treatment

Flux characteristics

Current typeAC, DC+
Basicity (Boniszewski)3.1

Redrying 300-350°C x 2h

Versions and packaging

Item numberNet weight (kg)Packaging
W00038631325.0DRY BAG 25.0

Availability of individual item numbers is confirmed with the quotation.

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