Stainless Steel Tig Rod LKT-309L ER309L


It is the low carbon content designed to prevent intergranular corrosion.It is used to join similar 309L alloys or join 300 series stainless steels to carbon or low alloy steels.


It is used for oil and gas refineries, include welding of AISI 309 in chemical and welding of dissimilar base metals of stainless and carbon steels.

Notes on Usage:

  1. For TIG process, use DC(-) current , Argon Shield and Tungsten Electrode.


AWS A5.9 : ER309L
ASME SFA-5.9 : ER309L
EN 14343 B : SS309L
JIS Z 3321 : Y309L

Typical chemical composition of weld metal (wt%)

C Cr Ni Mn Si
0.024 23.80 12.80 1.98 0.39

Typical mechanical properties of weld metal

TS N/mm2 EL %
590 40

Sizes and Weight per pack.

ขนาดลวดเชื่อม (mm) 1.6 2.0 2.4 3.2
น้ำหนักของลวดเชื่อมต่อกล่อง (kg) 5 5 5 5


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