Saw Welding Flux for Pressure Vessel (sj501)

Model NO.: sj501 pH: Alkaline Melting Point: >600℃ Function: Protect Weld Metal Manufacturing Method: Agglomerted Basicity: 0.5-0.8 Performance: Easy Deslag Payment: Tt or LC Packings: Paper Bag Port: Qingdao Specification: sj501 state: Solid Type: Inorganic Chemical Composition: SiO₂=10%-30% Application: Submerged-arc Welding Color: Deep Grey Grain Size: 10-40 Meshes Current: AC or DC Delivery Time: 15-20 Days Applications: Pressure Vessel Trademark: trustworthy Origin: Laiwu Shandong China Submerged arc Welding Flux
 Description: 
1. the welding flux is a kind of aluminum-titanium-type sintered flux.  2. Color: Deep gray to dark brown.  3. Basicity: 0.5-0.8.  4. Grain size: 10-40 (2.0-0.45mm) meshes. 
5. Either alternating or direct current can be used.  6. Performance: High rust resistance, easy slag dropping, smooth welding bead, and good welding technology.  Usage: 
1. For low carbon, low alloy, and pressure vessel steels(applied to various welding wires such as H08A, H08MnA, H08MnMo and H10MnSi).  2. Fit for fast welding of thin steel sheet (gas steel tanks and membrane water-cooled wall) in boiler factory. 

Chemical Composition (%)

SiO2+TiO2	Al2O3+MnO	CaO+MgO	CaF2	S	P
25~35	50~60	5~10	5~12	≤0.05	≤0.05

 
(Mechanical Performance of the Deposited Metal): 

Wires	Standard Models	S(Mpa)	B(Mpa)	Δ5	Akv(J)
HO8A	F4A2-HO8A	≥330	≥420	≥22%	≥27
HO8MnA	F5A2-HO8MnA	≥400	≥500	≥22%	≥27

Fit	GB/T5293-1999	F4A2-H08A	F5A2-H08MnA
Equivalent to	AWS-A5·17	F6A2-EL12	F7A3-EM12

  Mechanical Property: (according to GB5293-1999 F4A1-H08A) 

Test Item	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Absorption Rate (J)
				-40οC
Guaranteed Value	410~550	≥330	≥22.0	≥27

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