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Name Of Product
MILD AND LOW ALLOY STEELS >>> OP 120 TT
Information of Product
Product Catalogue / SUBMERGED ARC WELDING (SAW) / MILD AND LOW ALLOY STEELS   
OP 120 TT
Welding flux for Submerged-Arc Welding
Standards: DIN 32522 B FB 1 66 AC MHP 10
Application and Properties:

OP 120 TT is an aglomerated floride-basic type flux for welding of general structural steels, boiler and pipe steels. Due to it's manganese pick-up, there is an extended field of application for low manganese wire electrodes. OP 120 TT is outstanding for tandem, multi-wire and twin wire welding and delivers a weld metal having excellent toughness properties and crack resistance. OP 120 TT is suitable to be employed on either DC, positive pole, or AC up to 1000 A. Basicity Index: approx. 3.1 Basicity Index : 3.1

Main Constituents (%):
SiO2+TiO2 CaO+MgO Al2O3+MnO CaF2
15 35 20 30
Materials:
Material No. EN-Designation DIN-Designation
OE-S1 - St 44-2, St 44-3
OE-S1 S(P)275 StE 285
OE-S1 - StE 255, StE 315
OE-S1, OE-S2 S(P)355, S355 StE 355, St 52-3
OE-S1 L210 StE 210.7
OE-S1 - StE 240.7
OE-S1 - StE 290.7
OE-S1, OE-S2 L360 StE 360.7
OE-S1 - St 35.0, St 35.4
OE-S1 P235 St 35.8
OE-S1 - St 45.0, St 45.4
OE-S1 P265 St 45.8
OE-S1, OE-S2 S355, P355 St 52.0, St 52.4
OE-S1 P235GH, P265GH HI, HII
OE-S1 P265GH 17 Mn 4
OE-S1, OE-S2 P355GH 19 Mn 5
OE-S2 Mo 16 Mo 3 15 Mo 3
OE-S1 S235, S235JRG1 St 37-2, USt 37-2
OE-S1 S235JRG2 RSt 37-2
OE-S1 S235 St 37-3
Please observe admissible operating temperatures for welding consumable and base metal
All-Weld Metal Analysis (typical values in %) :
With wire electrode C Si Mn Mo
OE-S1 0.04-0.08  0.10-0.25  0.7-1.0  - 
OE-S2 0.04-0.08  0.20-0.40  1.0-1.4  - 
OE-S2 Mo 0.04-0.08  0.20-0.40  1.0-1.4  0.5 
Mechanical Properties of All-Weld Metal (single values are typical values):
With wire electrode Heat treatment Yield strength
[N/mm²] 		Tensile strength
[N/mm²] 		Elongation
A5[%] 		Impact energy ISO-V [J]
+20˚C 0˚C -20˚C -40˚C -60˚C
OE-S1 AW / KS >360 440-540 >25 >150 >120 >90 - -
OE-S2 AW / KS >420 500-600 >24 >160 >130 >100 >70 >40
OE-S2 Mo AW / KS >500 600-700 >22 >130 >90 >70 >40 -
AW : As welded
Redrying:   for 2 hours at 300-350°C
Packing & Order Information :
Product Code Weight/ Box [kgs]
4020121 25
Type of Current/Polarity/Welding Positions :
You can click on the figure to see its explanation...