Welding Powder Submerged Arc Welding Flux for High Speed Welding

• Customization: Available
• state: Solid
• pH: Alkaline
• Model NO.: HW811NQ-SJ101NQ
• Type: Organic
• Melting Point: >600℃
• Chemical Composition: SiO₂=10%-30%
• Function: Remove Oxides, Protect Weld Metal
• Application: Submerged-arc Welding
• Manufacturing Method: Smelting
• Transport Package: Pack Each Cubic Meter Together
• Origin: Luoyang City, Henan Province
• Production Capacity: 20, 000 Tons Per Year

Product Description

Product Description

Product Name:
HW811NQ flux for submerged arc welding
Specifications and Compliance:
TB/T2374 TH550-NQ-

General Information:
Basicity:2.0
Grain size:10-40 mesh
Density: 1.25g/cm³

Application:

As a special product for high-strength weather-resistant steel of railway vehicles, HW811NQ conforms to the industry standards of the Ministry of Railways. With NQ550- wire, it can be used in railway vehicle welding because it meets the atmospheric corrosion requirements under different climates and temperatures.

The flux has excellent welding performance, stable arc and good impact toughness at low temperature.

Mechanical Properties: 

Flux/Wire Combination	Rm (Mpa)	ReL / Rp0.2 (Mpa)	A (%)	V-groove Impact
				-40ºC(J)
NQ550-	585	465	27	85

Notes:

1.Re-dry the flux at 300-350ºC for 60 minutes before welding.
2.Remove rust, water scale, primer and other contaminants on the base metal before welding to obtain excellent weld deposit.
3.Add new flux regularly before using the recycled flux to prevent defective weld bead.
Package:
25kg/moisture repellent bag,25kg/bucket,400kg/bulk bag
For special package, please contact us.

 

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qualification certificate

FAQ
 1. How do you ensure your product and service quality?
All our processes strictly adhere to ISO9001 procedures.And have 12months quality warranty and exchange service against Bl issue date forthe quality problem caused by our side.

2. Canyou provide several pieces of samples for testing before place mass order?
Yes,we are pleasure to send you samples to test the quality and performance.

3. How canImake order and settle payment?
Once clear your requirement and determined which product is ideal foryou,we will send Pl to you. L/C,D/P,T/T,Paypal, Western Union etc.are allavailable.

4. lf we find your bank account different as before how should we respond?
Please DON'T arrange the payment until double check with us.(Bank details will be listed in each piece of PI)

5. What about Delivery Date?
For sample order: 3-5 days after the requirement.For mass order: 15 days after confirm order.

6. What about Shipping?
We can send the small batches by express and the mass orders by LCL orFCL condition.To save logistics cost,you can either use your own nominated shippina aaent for the shipment.