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OP 191

SAW rutile-acid fluxes

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OP 191 is an agglomerated rutile type flux for welding general structural steels. It is also used for welding fine-grain steels with a yield strength of up to 355 MPa.

It meets the classifications:
   - EN ISO 14174 SA AR 1 87 AC
   - OE-S2 NiCu => EN ISO 14171-A- S 46 0 AR S2Ni1Cu
   - OE-S1 => EN ISO 14171-A- S 42 A AR S1
   - OE-S2 => EN ISO 14171-A- S 42 0 AR S2
   - OE-S2 => NiCu AWS A 5.23: F8AZ-EG-G
   - OE-S1 => AWS A5.17: F7A0-EL12
   - OE-S2 => AWS A5.17: F7A0-EM12K

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OERLIKON expertise : OP 191

Relatively high silicon pick-up is achieved with this flux and when used in conjunction with OE-S1, OE-S2 wire electrodes manganese pick-up also results. OP 191 is particularly well-suited to twin-wire, tandem and multi-wire welding at high speeds. It can also be used with the two-run technique especially when weld thin-walled spiral tubes. The good slag detachability makes OP 191 a standard for fillet welding. OP 191 can be welded on DC+ or AC at up to 1500 A. Damp flux should be re-dried at 300-350°C. Grain size according to EN-ISO 14174: 2-16.
Rutile agglomerated flux suitable for welding normal metal structural work. Can also be used on fine grain steels. Has active manganese and silicon action that makes it suitable for welding in up to three passes. 25 kg plastic bag.

Available in standard bags (PE) 25 kg.

 

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OP 191 Chemical Analysis

  C MN SI NI CU
OE-S2 NiCu 0,04 1,3 0.6 0.7 0.4
OE-S1 0,04 1,1 0.6 - -
OE-S2 0,04 1,3 0.6 - -

OP 191 Mechanical Properties

    Heat Treatment Yield Strength (MPa) Tensile Strength (MPa) Elongation A5 (%) Impact Energy ISO - V (J)
            0°C -20°C
OE-S2 NiCu As Welded ≥ 470 550-690 ≥ 22 30 -
OE-S1 As Welded ≥ 400 520-650 ≥ 22 - 27
OE-S2 As Welded ≥ 400 520-650 ≥ 22  - 27

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