Arc Welding Service

CATEGORY

TYPE

Semi basic SAW flux with very low hydrogen content suitable for single and multilayer welding.

APPLICATIONS

Spiral piping, pipe welding, vessel, offshore fundamentals, bridge construction, narrow gab welding.

PROPERTIES

Neutral semi basic flux suitable for a weight range of wire combinations including multi layer welding in general construction with good cold tough properties down to -40 degrees Celsius.

Basicity according to Boniszewski:
Grain size according DIN EN 760:

~1.7
3 - 20

CLASSIFICATION

EN ISO

14174: SA AB 1 67 AC(D) H5

SUITABLE FOR

S355, S420, S460, X65, X70, 15Mo3, Hardox 400, Dilimax.

APPROVALS

DB, LLoyds, DNV, TUV..

WELDING POSITIONS:

FILLER METAL ANALYSIS % (TYPICAL VALUES)

SiO₂+TiO₂	CaO + MgO	Al₂O₃+ MnO	CaF₂	K2O+Na2O						S	P
20	30	26	16	2,5						<0.015	<0.015

MECHANICAL PROPERTIES

with	R_P0,2	Rm	A5	Impact Energy (J) ISO-V			Hardness
Wire	(N/mm²)	(N/mm²)	(%)	-20°C	-40°C	-60°C	HRc / HV
SDA S2	>420	500-600	>22		>47
Topcore 735B	>460	550-680	>20
Topcore 840BHC*	>460	550-680	>22			>47

* For both as welded condition and anealed at 920ºC.

REDRYING TEMPERATURE

300-350ºC / 1-2hr

PACKING

25 kg sealed metal buckets / 25 kg bags.

ST65