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Oerlikon Welding · Submerged arc flux

OP 41TT

Oerlikon Welding
OP 41TT Submerged arc flux

Classification: SA FB 1 53 AC H5 (Flux EN ISO 14174)

Submerged arc flux · Oerlikon Welding

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Key features

  • Highly basic flux for welding high-tensile fine-grain structural steels
  • Used with wire containing a higher level of manganese and silicon
  • Suitable for DC+ and AC welding, single or tandem configurations

Standards and classifications

Flux EN ISO 14174SA FB 1 53 AC H5
Flux/wire AWS A5.17 AWS A5.23OE-SD3 F7A8/F6P8-EH12K OE-S2Mo F8A8/F6P5-EA2-A2 OE-SD3Mo F8A6/F8P6-EA4-A4 OE-S2 Ni1 F7A8/F7P10-ENi1-Ni1 OE-SD3 1Ni 1/2Mo F9A8/F9P8-EF3-F3

Chemical composition

  1. (WEIGHT %), TYPICAL, ALL WELD METAL
  2. Wire grade C Mn Si Cr Ni Mo
  3. OE-SD3 0.07 1.6 0.3
  4. OE-S2Mo 0.07 0.8 0.2 0.5
  5. OE-SD3Mo 0.07 1.3 0.2 0.5
  6. OE-S2 Ni1 0.07 1.1 0.3 0.15 1.15 0.3
  7. OE-SD3 Ni 1/2Mo 0.07 1.6 0.3 0.9 0.5

Mechanical properties

  1. , TYPICAL, ALL WELD METAL
  2. Wire grade Condition* Yield strength
  3. (MPa)
  4. Tensile strength
  5. (MPa)
  6. Elongation
  7. (%)
  8. Impact ISO-V (J)
  9. +20°C 0°C -20°C -40°C -46°C -60°C
  10. OE-SD3 AW ≥420 530-630 ≥24 ≥170 ≥150 ≥120 ≥70 ≥40
  11. OE-S2Mo AW ≥490 570-670 ≥20 ≥140 ≥120 ≥100 ≥70 ≥50
  12. OE-SD3Mo AW ≥500 560-660 ≥24 ≥40
  13. OE-SD3Mo PWHT
  14. 620°C/2h ≥470 550-650 ≥25 ≥40
  15. OE-S2 Ni1 AW ≥420 500-600 ≥24 ≥150 ≥130 ≥100 ≥70 ≥50
  16. OE-S2 Ni1 PWHT
  17. 600°C/2h ≥380 480-500 ≥26 ≥170 ≥140 ≥110 ≥90 ≥70
  18. OE-SD3 Ni
  19. 1/2Mo AW ≥560 650-700 ≥20 ≥50 ≥80 ≥100
  20. OE-SD3 Ni
  21. 1/2Mo
  22. PWHT
  23. 620°C/16h ≥540 620-700 ≥22 ≥50 ≥80 ≥100
  24. *AW = As welded; PWHT = Post weld heat treatment

Flux characteristics

Current typeAC, DC+
Basicity (Boniszewski)3.1
Grain size (EN ISO 14174)2-20

Redrying 300-350°C x 2-4h

Versions and packaging

Item numberNet weight (kg)Packaging
W00028005725.0DRY BAG 25.0

Availability of individual item numbers is confirmed with the quotation.

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