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NAHAVIWEL NB-421 Welding Electrode

  • NAHAVIWEL NB-421 Welding ElectrodeNAHAVIWEL NB-421 Welding Electrode
ID : NB-421
Manafacture :
NAHAVIWEL
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NAHAVIWEL NB-421 Welding Electrode:

1. Applications:
NB-421 welding electrode is a product from the E6013 product range manufactured by TANADOR JSC. It meets the Vietnamese standards 3223 promulgated in 2000 for low alloy and low carbon steel, the American Welding Society standards AWS 5.1-E6013 and the Japanese Industrial Standards JIS Z 3211-D4313..

2.Classifications:
Equivalent to standards:
- AWS 5.1-E6013
- JIS Z 3211-D4313
- TCVN 3223-E431

Approved by Vietnam Register: QCVN 21: 2010/ BGTVT-MW1/ KMW1.

3. Usage instructions: NB-421 product is suitable for welding structures of the low carbon steel and low-alloy steel with medium load such as: Ships, barges, pressure tanks, industrial structures, machinery, bridges and road, etc...

4. Warning:
- Fumes and gases can be hazardous to your health.
- Arc rays can injure eyes and burn skin.
- Electrick shock can be lethal.
- Wear proper eyes, ears and body protection.
- Do not touch live electrical parts.


NAHAVIWEL NB-421 Welding Electrode:

1. Size and recommended current range:

Size (mm)

Ø 2.5

Ø 3.2

Ø 4.0

Ø 5.0

Length (mm)

350

350

400

400

Amp.
(A)

F, FW

60 ÷ 90

90 ÷ 140

140 ÷ 190

180 ÷ 240

VU, H, OH

60 ÷ 80

90 ÷ 120

130 ÷ 180

160 ÷ 220


2. Typical chemical composition of weld metal:

%C

%Si

%Mn

%S

%P

0.09

0.34

0.40

0.025

0.028


3. Typical mechanical properties of weld metal:

Yield point
(N/mm2)

Tensile strength
(N/mm2)

Elongation
(%)

Impact value
(J/20
°C)

420

480

24

90




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