NEXA 309L-16 A LOW CARBON STAINLESS STEEL ELECTRODE
For Buffer Layer and Dissimilar Metal
CLASSIFICATION
AWS A/SFA 5.4 E-309L
DESCRIPTION
An all position SS electrode giving 25/12 Cr/Ni deposit with excellent resistance to chemical corrosion and heat resistance. Gives stable arc, low spatter, smooth weld profile, easily removable slag. The weld deposit is of radiographic quality and withstand temperature upto 1100°C.
APPLICATIONS
Suitable for welding 25/12 stainless steel grades like AISI 309. Welding stainless steel to carbon steel and low alloy steel, for overlaying on mild steel, welding cladded steels.
CHEMICAL COMPOSITION %
| c | Mn | Si | Cr | Ni | S | P |
|---|---|---|---|---|---|---|
| 0.04 max | 1.0-2.5 | 0.90 max | 22.0-25.0 | 12.0-14.0 | 0.03 max | 0.03 max |
ALL WELD MECHANICAL PROPERTIES
| UTS, MPa | EL% | Ferrite No. |
|---|---|---|
| 520-600 | 30-40 | 10-15 |
RECOMMENDED CURRENT CHARACTERISTICS : AC (70 OCV) DC (+)
| SIZE mm DxL | 2.50×350 | 3.15×350 | 3.15×350 | 5.00×350 |
|---|---|---|---|---|
| CURRENT (Amps) | 50-75 | 80-100 | 110-140 | 150-180 |
PRECAUTIONS
Redrying Condition : 250°c for one hour before use.
Packing Specification — Supplied in 2 Kgs x 5 Pkts = 10 Kgs
J-502 A LOW CARBON STAINLESS STEEL ELECTRODE
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