Arc Welding Service

CATEGORY

TYPE

Extreme high tensile strength alloy with excelent impact properties for fine grain steels exceeding 890 N/mm2 yield strength.

APPLICATIONS

Welding materials such as S960QL – S1100Q and other similar fine grain cold tough steels. Offshore, crane building etc.

PROPERTIES

Extreme high tensile strength alloy with very good mechanical properties and perfect welding characteristics. High impact strength at very low temperatures with exceptional plasticity of the weld deposit. Weldable with Co2 and Mix gas.

CLASSIFICATION

AWS

A 5.28: ER 120 S-1

EN ISO

16834-A: W 89 5 M Mn4Ni2,5CrMo

DIN: W.Nr.

1.8983

DIN

8575:

SUITABLE FOR

XABO 90, StE890V, StE960TM, Weldox 700, weldox 900, StE 890, S890QL1, A517, X120, StE 960, S960QL1, S1100 (till 12 mm)

APPROVALS

CE approved

WELDING POSITIONS:

WELD METAL ANALYSIS ACC. AWS IN WEIGHT %

C	Mn	Si	Cr	Ni	Mo	Cu	Ti	Zr	Al
<0.1	1.4-1.8	0.25-0.60	<0.6	2.0-2.8	0.30-0.65	<0.25	<0.10	<0.10	<0.10

MECHANICAL PROPERTIES

Heat	R_P0,2	Rm	A5	Impact Energy (J) ISO-V			Hardness
Treatment	(N/mm²)	(N/mm²)	(%)	-20°C	-50°C	-60°C	HRc / HV
AW (M21)	930 / 1030	970 / 1070	>14		>68
AWS spec.	>730	>830	>14		>68

AW: as welded

REDRYING TEMPERATURE

not required

WELDING PARAMETERS / PACKING

Welding Parameters		Packing (kg)
D (mm)	Current (A) DC-	single	master
1,6 x 1000	50-80	5	25
2,4 x 1000	110-180	5	25
3,2 x 1000	150-280	5	25

ER 120 S-1 Tig