F7a4-eh14 Submerged Arc Welding Flux

HBF-No.1 submerged arc welding flux,agglomerate fluoride-basic type flux,which grain size is from 2.0-0.45mm,(mesh 10-40mesh) it can produce more weld metal on account of its slight bulk density and decrease the consumption of flux.

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Product Details

SUBMERGED ARC WELDING FLUX HBF-No.1 EQUALS TO AWS-5.17 F7A4-EH14

Chemical compositions(%)

SiO₂+TiO₂	Al₂O₃+MnO	CaO+MgO	CaF₂	S	P
15-25	20-30	25-35	15 -25	0.05 Max	0.05 Max

Mechanical properties(Mpa)

With wire	Tensile Strength	Yield Strength	Elongation (%)	Impact (Min)
With wire	Tensile Strength	Yield Strength	Elongation (%)	-40 C	-20 C	0 C
EM12K	450-500Mpa	330Mpa Min	22% Min	27	80	110
EH14	480-600Mpa	380Mpa Min	22% Min	27	80	110

Melting metal analysis(%)

Wire	C	Si	Mn	S	P	AKV(J)
EH14	0.05	0.23	1.8	0.025	0.028	-40C 77.2

• Flux type: Fluoride-Basic

• Basicity index: 1.80

• Grain size:2.00-0.28mm(10-60meshes)

Description: HBF-No.1 submerged arc welding flux,agglomerate fluoride-basic type flux,which grain size is from 2.0-0.45mm,(mesh 10-40mesh) it can produce more weld metal on account of its slight bulk density and decrease the consumption of flux.

The flux can be used on either DC or AC up to 1200A,the content of Mn and Si in the weld metal can’t pick up too much,because it is neutral flux,owing to its metallurgical behaviors.it provides stable arc,easy removal slag,good appearance and mechanical properties.

Application: HBF-No.1 submerged arc welding flux,with wire having a high Mn content(EM12K,EH14…),it is like wise suited for single wire,twin-wire and multi-wires welding to the large diameter pipe,for enhancing weld metal toughness at low temperature,wire containing Molybdenum should be preferably used, The flux can be used on welding of thick plate steel constructions under high current as well as narrow gap welding to the girth welds,if combined with proper wires,it is well suited to the welding of low alloy steels and fine grained steels,pressure vessels,ship buildings etc.

Package: 25kg in one paper bag.

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