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SAW Wire

AUTOTHERME GRADE-T (MOD)

AWS: SFA 5.23 ENi6

EN ISO CODE:

Copper coated solid wire for submerged arc welding. These wires are suitable for welding of similar composition materials welding mainly A537Cl1 & A203 Grade
A&B. This can give toughness even -60 degree Celsius with good strength. Autotherme Grade- T(MOD) is a low alloy solid wire, suitable for welding of multi-Pass for high strength low alloy of micro alloyed steels . The weld metal possesses high tensile strength and meets the radiographic quality requirements with subzero toughness. Especially suitable for welding of matching composition in power plants, Refineries, Petrochemicals and Fertilizer Plants. Suitable for
welding of ASTM steels: Grade ASTM A537 Cl1, A203 Grade A&B & other similar grades.

Approvals

CHEMICALCOMPOSITIONOFSOLIDWIRE. WT (%):

Elements	C	Mn	Si	S	P	Ni	Mo	Cu
Range	0.07-0.15	1.20-1.60	0.05-0.30	0.020 Max	0.020 Max	0.75-1.25	0.10 Max	0.35 Max
Typical	0.10	0.90	0.15	0.009	0.010	0.90	0.15	0.15

CHEMICAL COMPOSITION OF TYPICAL UNDILUTED WELD METAL.WT (%):

WITH SAW FLUX	C	Mn	Si	S	P	Ni	Mo	Cu
MAXFLUX SAF-4UV	0.08	1.35	0.34	0.013	0.016	0.96	0.20	0.13

MECHANICAL PROPERTIES OF TYPICAL WELD METAL:

WITHSAWFLUX	UTS (MPa)	0.2% YS (Mpa)	% EI (L=4d)	CVN Impact(Joules) -60°C
MAXFLUX SAF-4UV (AS WELDED )	525	450	28	40
MAXFLUX SAF-4U ( PWHT:620°C/1HR)	494	424	24	50

WITHSAWFLUX

UTS

(MPa)

0.2% YS

(Mpa)

% EI

(L=4d)

CVN Impact(Joules)

-60°C

MAXFLUX SAF-4UV

(AS WELDED )

525