SAW Welding Flux

HL-SJ101G Spiral Welded Pipe Sintered Flux

SJ101G is a fluorine-alkaline sintered flux designed for spiral welded pipe lines, especially oil and gas transmission pipe production.

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HL-SJ101G Spiral Welded Pipe Sintered Flux

Product Positioning

SJ101G is a fluorine-alkaline sintered flux designed for spiral welded pipe lines, especially oil and gas transmission pipe production.

BasicityApprox. 1.8
Particle size2.0-0.28 mm / 10-60 mesh
Flux typeImplementation Standard: GB/T36037

Suitable Applications

Spiral pipe mills
Oil and gas transmission pipe
X65/X70 spiral pipe
Large diameter pipe

Key Welding Performance Advantages

Designed for continuous spiral pipe production
High welding speed capability
Stable arc and clean deposited metal
Good slag detachability and weld appearance

Compatible Welding Wires

H10Mn2
H08C
Application-matched pipe welding wires

Typical Industries

Spiral pipe mills
Line pipe production
Large-diameter pipe manufacturing
Heavy fabrication

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-EM12
DIN: BF B165AC12MHP5

Chemical Composition Table

Typical flux composition indicators. Confirm current data before purchase.

Item	Typical range
SiO2 + TiO2	20-30%
CaO + MgO	25-35%
Al2O3 + MnO	20-30%
FeO	0%
CaF2	18-25%
S	<= 0.03%
P	<= 0.03%

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	550-700 MPa
H10Mn2 yield strength	>= 470 MPa
H10Mn2 elongation	>= 20%
Impact toughness	AKV -40 deg C >= 27 J
Typical pipe grades	Suitable match for X65/X70 with procedure testing
Production speed	Can support welding speeds over 70 m/h with suitable setup

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 SJ101G 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 SJ101G

Is SJ101G suitable for my welding application?

Share your steel grade, welding wire, plate thickness, welding current and target application. HeLi Welding can review whether SJ101G 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?

SJ101G is commonly discussed with H10Mn2, H08C and equivalent pipe welding 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.