Tungsten Welding electrodes D707

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500 Kilograms(Min.Order)

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Product Details

Place of Origin	Shandong, China	Brand Name	D707 Welding electrodes
Model Number	D707	Material	Tungsten
Length	350mm,400mm,450mm	Operating Current	AC,DC
Diameter	2.5mm,3.2mm,4.0mm,5.0mm

Product Description

Tungsten Welding electrodes D707

Introduction: D707 is a kind of tungsten carbide surfacing electrode with low-hydrogen natrium type coating and carbon steel core wire. Its transition depends on the carbide alloy in the coating. The tungsten content in the surfacing metal is 40-50%. Due to the thicker coating, the sleeve is longer in welding. After the coating turns red, it can easily fall off in little pieces, so DCRP (Direct Current Reversed Polarity) and weaker current is suitable.

Uses: Used for surfacing welding on intense rock wear-resistant machinery elements, such as blades of concrete mixers, blades of bulldozers and pumps, blades of dredgers, high speed sand mixing boxes, etc.

Chemical Composition of Deposited Metal (%)

Chemical Composition	C	Mn	Si	W
Guarantee Value	1.50~3.00	≤2.00	≤4.00	40.0~50.0

Hardness of Surfacing Layer: HRC≥60

Reference Current (DC+)

Electrode Diameter(mm)	φ3.2	φ4.0	φ5.0
Welding Current (A)	70~120	140~180	180~220

Instructions:
1.The electrodes must be baked under 300-350°C for an hour before welding.
2. If the weldments are steel, the preheating temperature should be over 300°C. If the weldments are low-alloy steel, it should be 400-500°C. If the weldments are stainless steel, it should be 600-650°C.
3. Low-alloy steel and stainless steel must be annealed under 700°C.

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Taian Yuexin Industry & Trade Co., Ltd.: Contact nameMartin Ma
Chat Now; Phone0086-538-6203618; AddressNo. 317, Daizong Street

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Tungsten Welding electrodes D707

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