Product code: NB-309L
Brand: NAHAVIWEL
Origin: Việt Nam
WELDING ELECTRODE NAHAVIWEL NB-309L
1. Applications and Usage instructions:
NB-309L is suitable for welding 22Cr-12Ni steel, dissimilar metal joint and surfacing mild steel.Typically used for stainless steel pipes in refineries, chemical. Prehear at 250- 3000 C for 1 hour before usage.
2. Standard:
- AWS A5.4 – E309L-16
- JIS Z 3221 – ES309L-16
- EN ISO 3581-A E 23 12 L R 1 2
Approved by Vietnam Register: QCVN 64-2015/BGTVT, QCVN 65-2015/BGTVT.
WELDING ELECTRODE NAHAVIWEL NB-309L
1. Diameter & welding current (AC&DC):
Diameter(mm) |
Φ2.0 |
Φ2.6 |
Φ3.2 |
Φ4.0 |
Φ5.0 |
|
Welding electrode’s length(mm) |
300 |
300 |
350 |
350 |
350 |
|
Welding current (A) |
F, FW |
40÷70 |
50÷85 |
80÷120 |
100÷150 |
140÷180 |
VU,H,OH |
40÷60 |
45÷80 |
70÷110 |
90÷135 |
- |
2. Mechanical properties of the weld metal:
Yield strength (N/mm2) |
Tensible strength (N/mm2) |
Elongation (%) |
Impact value (J/ 00C) |
|
608 |
36 |
|
3. Chemical composition of the weld metal:
%C |
%Si |
%Mn |
%S |
%P |
% Ni | %Cr |
0.032 |
0.65 |
1.26 |
0.012 |
0.028 |
13.44 | 24.12 |