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Stainless Steels

FW 309

AWS: SFA 5.9 ER309

FW 309 is a solid wire for TIG welding, available in bright finish, gives smooth flow, stable arc and spatter free under optimum welding conditions. It gives radiographic quality weld deposit. The weld metal has excellent mechanical properties and possesses good oxidation and scaling resistance at elevated temperatures. It is ideally suited for welding stainless steels, wrought and cast materials of similar composition, welding of 18/8 type stainless steels to carbon steels for buffer layers, for welding clad side of 18/8clad stainless steels, etc.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiSPCrNi
Percent
0.021.750.350.0100.02023.313.8

    

MECHANICAL PROPERTIES OF ALL WELD METAL


UTSElongation
(MPa)
(L= 4d)%
57032.0


CURRENT AND PACKING DATA


STANDARD SIZE :   Diameter 1.6 mm, 2.0 mm, 2.4 mm & 3.2 mm in cut lengths of 1000 mm each.

QUANTITY :   5 kg wire put in an air-tight polythene bag and finally packed in a plastic container. 

Identification AWS code is punched on both side of wire.

SHIELDING GAS


Argon

CURRENT CONDITION


DCEN

WELDING POSITION


H, F, VU, OH