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Golden Bridge

Golden Bridge EW (JQ-TH500-NQ-Ⅲ) Submerged Arc Welding Wire

Golden Bridge EW (JQ-TH500-NQ-Ⅲ) Submerged Arc Welding Wire

SKU:TH500-NQ-Ⅲ-1/8-0055

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JQ-TH500-NQ-Ⅲ

AWS A5.23 EW



JQ-TH500-NQ-Ⅲ is a submerged arc welding wire of high strength steel, which has excellent welding performance with effortless slag removal ability and optimal bead appearance.



Working with sintered-flux JQ-SJ101NQ, the product is applicable for welding weathering steel with 500MPa tensile strength.It is mainly used in the fields such as rolling stock, construction machinery and so on.

Chemical components of welding wire (%)

Item
C
Mn
Si
S
Example value 0.055 1.35 0.25 0.010
Item P Cr Ni Cu
Example value 0.011 0.35 0.27 0.26
 

Mechanical properties of deposited metal

Test itemCombined welding-flux
Rm
(MPa)
ReL/Rp0.2
(MPa)
A
(%)
KV2 (J)
-40℃
JQ-SJ101NQ 568 466 29 90
 

Reference specification(DC+)

Wire diameter（mm）
Φ2.5
Φ3.2
Φ4.0
Φ5.0
Electric current（A） 350~500 400~550 470~600 550~650
Voltage（V） 27~30 28~31 28~32 30~34
 


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Diameter

* 1/8 inches (3.2 mm), * 5/32 inches (4.0 mm)
Package

55 lb (25 kg), 110 lb (50 kg), 220 lb (100 kg), 440 lb (200 kg), 550 lb (250 kg), 660 lb (300 kg), 770 lb (350 kg)