F6a2-el12 Submerged Arc Welding Flux

HBF-No.3 submerged arc welding flux,Versatile flux for welding of low alloy structural steel and boiler steel in combination with appropriate SAW wire(such as EM12K and EL12)

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Product Details

Submerged Arc Welding Flux HBF-No.3 (same to Lincoln EN760) EQUALS TO AWS-5.17 F6A2-EL12,F7A2-EM12K

Chemical compositions(%)

SiO₂+TiO₂	Al₂O₃+MnO	CaO+MgO	CaF₂	S	P
25-35	30-40	15-25	5-15	0.06 Max	0.08 Max

Mechanical properties(Mpa)

With wire	Tensile Strength	Yield Strength	Elongation (%)	AKV(J)
With wire	Tensile Strength	Yield Strength	Elongation (%)	0 centigrade	-20 centigrade
EL12	415-550Mpa	330Mpa Min	24% Min	50 Min	27 Min
EM12K	480-660Mpa	400Mpa Min	24% Min	50 Min	27 Min

Melting metal analysis(%)

Wire	C	Si	Mn	S	P	AKV(J)
EL12	0.08	0.52	0.95	0.02	0.02	-20C 78.5

Flux type: Silicon-Calcium

Basicity index: 1.00

Grain size:2.00-0.28mm(10-60meshes)

Description: HBF-No.3 submerged arc welding flux,Versatile flux for welding of low alloy structural steel and boiler steel in combination with appropriate SAW wire(such as EM12K and EL12),which can obtain smooth weld bead with flat weld interfaces free from undercut. Steadily arc and easy slag removal, no phenomenon of slag-flow are other special features

Application:HBF-No.3 submerged arc welding flux,It can be applied to the Multi-pass weld and multi-wire weld, especially to weld pipelines in various diameters

Package:25kg in one paper bag.

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