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PrEN 758                         T 46 4P M 1

AWS/ASME SFA-5.20           E 71 T-1l

DIN 8559                SGR1 M21 Y 4643

 

Application/ Properties: owning to its easily controllable weld pool, excellent all-positional operability, even when using high currents for increased deposition rates. Particularly suited for partly and fully mechanized welding of girth seams in pipelines. In MAG orbital welding, the 6 to 12 o’clock position using 1, 2-1, 4 mm Ø electrodes should be preferred. Low spatter loss, easy slag removal, finaly ripped pore-free welds blending into base metal without undercut.

 

All-Welded metal analysis%:

C	Si	Mn
0.05	0.55	1.2

 

Mechanical properties of all-weld metal (typical values) :

 

Heat treatment	Yield Strength (N/mm2)	Tensile Strength (N/mm2)	Elongation L0=5d(%)	ISO-V Impact energy (j) 250C    -200C   -400C
AW	>480	550-650	>22	>120      >80      >60
SR	>480	550-650	>22	>120      >60           -
N	>300	400-500	>28	>80          -             -

AW: without heat treatment

SR: Stress relived 2h/580C/furnace cooling

N: normalized 30min/940C/air

 

Shielding: EN 439-M21(5-25% Co2, Balance Ar)

Consumption ≤1.6mm Ǿ 12-15 L/ min

                      ≥2.0mm Ǿ 12-15 L /min

 

 

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Unalloyed Structural steels DIN 17 100 St33,St37-2 to St 52-3 Boiler plates DIN 17 155 HI,HII,17 Mn4 Fine grain structural steels DIN 17 102 StE 255 to StE 460 WStE 255 to WStE 460 Shipbuilding steels   A,B,D,E,AH 32 or EH 36 casting steels DIN 1681 GS-38,GS-45 Pipe steels   DIN 1626/1629 DIN 1628/1630 DIN 17 175 DIN 17 172   St 37.0 to St 52.0 ُSt 37.4 to St 52.4 St 35.8 to St 45.8 StE 210.7 to StE 415.7 StE 290.7 TM to StE 480.7 TM steels of API-STANDARD API Standard X 42 to X 70

Delivery: coil in diameter: 1,1.2,1.4,1.6,2,2.4mm & weight 15kg.

Note: other weight & sizes are produced upon customers request.