SAW Welding Flux

HL-SJ102 Submerged Arc Welding Flux

SJ102 is a high-basicity fluorine-alkaline sintered flux for low-alloy structural steel, higher-strength ship hull steel and pressure vessel steel.

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Product Positioning

SJ102 is a high-basicity fluorine-alkaline sintered flux for low-alloy structural steel, higher-strength ship hull steel and pressure vessel steel.

BasicityApprox. 3.5
Particle size2.0-0.28 mm / 10-60 mesh
Flux typeImplementation Standard: GB/T36037

Suitable Applications

Pressure vessels
Ship hull structures
Higher-strength structural steel
Multi-pass welding
Narrow-gap SAW

Key Welding Performance Advantages

High-basicity flux for demanding weld metal properties
Excellent slag removal in grooves
Stable arc and clean weld formation
High low-temperature impact toughness potential

Compatible Welding Wires

H08MnA
H10Mn2
H08MnMoA

Typical Industries

Pressure vessel fabrication
Boiler manufacturing
Heavy plate welding
Roll surfacing applications

Handling

Bake flux at 300-350 deg C for 2 hours before use.
Remove rust, oil, moisture and other contaminants from the workpiece before welding.
Confirm final wire, steel grade and welding parameters through procedure testing.

Technical Reference

Typical technical indicators are provided for buyer screening. Final values should be confirmed with the latest technical data sheet and buyer procedure testing.

Implementation Standard: GB/T36037
Compliance Standard: GB/T12470
Equivalent AWS: F6A4-EM14
ISO 14174: SAFB1

Chemical Composition Table

Typical flux composition indicators. Confirm current data before purchase.

Item	Typical range
SiO2 + TiO2	15.5%
CaO + MgO	43.5%
Al2O3 + MnO	18.8%
FeO	0%
CaF2	22%
S	<= 0.05%
P	<= 0.06%

Mechanical Properties Table

Typical deposited metal results depend on welding wire, steel grade, heat input and approved welding procedure.

Property	Typical result
H10Mn2 tensile strength	480-650 MPa
H10Mn2 yield strength	>= 400 MPa
H10Mn2 elongation	>= 22%
H10Mn2 impact toughness	AKV -40 deg C >= 27 J
H08MnMoA tensile strength	580-690 MPa
H08MnMoA yield strength	>= 500 MPa
H08MnMoA elongation	>= 22%
H08MnMoA impact toughness	AKV -40 deg C >= 27 J

Packaging and Delivery Information

Commercial terms for quotation discussion

Quotation details are prepared according to product model, order quantity, destination port and technical requirements. No retail amounts are shown on the website.

25 kg bagsMOQ: 25 tonsTrade term: FOBPayment: T/TDelivery time: typically around 30 days depending on destination

Inquiry CTA

Need SJ102 flux for your welding line?

Contact Xavier Ma to request a quote, technical data sheet, free sample discussion or application matching support.

FAQ

Common buyer questions about SJ102

Is SJ102 suitable for my welding application?

Share your steel grade, welding wire, plate thickness, welding current and target application. HeLi Welding can review whether SJ102 is a suitable starting option for testing.

Can I request a technical data sheet?

Yes. Use the inquiry form or technical data sheet button and include your company, country and intended application so the sales team can send the relevant product information.

Can this flux be matched with different welding wires?

SJ102 is commonly discussed with H08MnA, H10Mn2, H08MnMoA and equivalent wires. Final wire matching should be confirmed by welding procedure testing and buyer requirements.

What are the standard commercial terms?

Standard information provided for this preview: MOQ 25 tons, 25 kg bags, FOB trade term, T/T payment, and delivery typically around 30 days depending on destination.