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Welding flux SJ501
  • Welding flux SJ501Welding flux SJ501

Welding flux SJ501

GUJIN® is a leading manufacturer, supplier, and exporter of Welding flux SJ501 in China. Adhering to the pursuit of perfect product quality has led to the satisfaction of many customers for our SJ-501. High quality raw materials and competitive prices are what every customer wants, which we can provide to you. Of course, our perfect after-sales service is also very important. If you are interested in our Submerged Arc Flux SJ501 product, you can consult us now and we will reply to you promptly!

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Product Description

GUJIN® is a professional leader China Welding flux SJ501 manufacturer with high quality and reasonable price.  GJ.SJ-501 is an aluminum titanium type Agglomerated flux with a alkalinity value of 0.5-0.8, dark brown spherical particles, a loose loading ratio of 1.2g/cm³, a particle size of 10-60 mesh, and can be used for both AC and DC. The DC welding wire is connected to the positive electrode, and the maximum welding current can reach 1000A. When using this Submerged arc flux for welding, the arc combustion is stable, the weld formation is beautiful, and it has strong resistance to porosity. It is not sensitive to a small amount of rust and high-temperature oxide skin; It can transition Si and Mn into the weld seam, especially suitable for dual wire and multi wire high-speed welding; Due to its good slag removal, it is commonly used for welding corner seams.

Usage:

Submerged Arc Flux SJ-501 matched with welding wires such as H08A, H08MnA, and H08MnMoA, it can weld low-carbon steel, certain low alloy steel, and heat-resistant steel, such as ships, boilers, pressure vessels, etc; Especially used with high-speed welding.Especially suitable for double-sided single pass welding.

Cautions:

1.The oil soil,moisture,iron rust and other foreign substances must be removed from the welding joint.

2.Submerged Arc Flux SJ-501 must be baked at 300℃-350 ℃ for 2 hours before use. 

Chemical Composition (%)

SiO₂+TiO₂

Al₂O₃+MnO

CaO+MgO

CaF₂

S

P

25-30

50-60

5-10

5-10

≤0.05

≤0.05


Basicity of the Flux:B//W=0.5-0.8

Mechanical Performance of the Deposited Metal

Wire

Standard Modeis

Yield Strength

(MPa)

Tensile strength(MPa)

Impact energy AKV(J)

Elongation

 

H08A

F4A2-H08A

≥330

410-560

≥27(0℃)

≥22%

H08MnA

F5A4-H08MnA

≥400

500-600

≥27(0℃)

≥22%

H08Mn2MoA

F7021-H08Mn2MoA

≥480

520-640

≥27(0℃)

≥22%


Packaging form:Bagged, 25kg/bag .40 bags/ton.

Minimum order quantity: 5ton

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