Research background
Recent year, stainless steel tube with thin tube wall widely used in household electric appliance refrigeration industry. But traditional stainless steel pipe welding has 3 disadvantages.
1The price is much high to using the silver solder
2If you use Corrosive solder flux, Once it enter into pipe which will easy cause solder Corrosion
3Solder welding temperature is high, because the stainless steel tube wall is thinner, very easy oxidation, especially the pipe internal wall, the black oxide skin is difficultly to remove
For a few decades, domestic and foreign experts in brazing technology research, has been in the pursuit for stainless steel low temperature no corrosion solder technology solutions, but ineffective
Jinghang brazing technology R&D team have broken the world top problem after several years effort. The stainless steel solder with no Corrosive flux can be welded in this temperature arrange: 380~450degree, the brazing performance is excellent, easily operate with low brazing temperature advantage. It is wildly applied in brazing of different stainless steel pipe.
Character
1. Stainless steel solder with no Corrosive flux
Alloy system is composition of Sn-AG rare earth quaternary alloy, brazing temperature: 380-450degree
Can be made into diameter of 1.0-3.0 brazing rod. The rod own strength is 300MPa-400 MPa It can be changed according to its manufacturing hard degree.
2. Brazing performance
JH-004BXG brazing filler metal by flame brazing and high frequency brazing heating, it has good extension performance in stainless steel surface; It has good seam filling performance when weld the stainless steel tube wall. As the filler metal melt temperature is below 450degree, its melt temperature much lower than high silver filler metal (melt temperature 680degree). So in brazing, the stainless steel base metal is not soft. To avoid the brazing welding stress and tiny cracks which highly improve the air tightness.
Type No: JH-004BXG-P
Composition: Sn Al AG rare earth and no Corrosive flux
Specification: Diameter of section φ 1.6mm φ 2mm
2kg /roll 5kg /roll
Shape: Rod, wire, ring wire, paste
Usage: Suitable for brazing welding in stainless steel pipe
Brazing way:
Manual Flame brazing
Auto flame brazing
High frequency brazing
Furnace brazing
Remark: 1 brazing seam should be loose
2 thickness of stainless steel pipe wall should be less than 0.8mm
3. Let welding parts be there for one minute after brazing.
Type No: JH-004BXG-G
Composition: Sn Al AG rare earth and no Corrosive flux
Specification: Diameter of section φ 1.6mm φ 2mm
2kg /roll 5kg /roll
Shape: Rod, wire, ring wire, paste
Usage: Suitable for brazing welding in stainless steel pipe 304L and 316L
Brazing way:
Manual Flame brazing
Auto flame brazing
High frequency brazing
Furnace brazing
Remark: 1 brazing seam should be loose
2 thickness of stainless steel pipe wall should be less than 0.8mm
3. Let welding parts be there for one minute after brazing.
Jiang su jinghang material technology Co., Ltd is an enterprise combined with product developing, researching, producing and distributing. Jinghang technology is originated in Beijing and developed in Dong tai jiangsu. Our company is specialized in making high level non-ferrous metal materials research and industrialization. It has a international leader in the special meter soldering industry.
The company has the domestic first-class research team, including chief scientist one of the founders for the field of non-ferrous soldering. Our research team undertake currently "973" National Key Basic Research, National "863" project, NSFC project, Beijing natural science fund project and so on. The research team developed "no flux aluminum alloy solder " fills up the domestic blank. New special "tin copper-Ha alloy solder " is the upgrade of silver brazing filler metals products which can save more cost. "Stainless steel low temperature corrosion solder "with world advance level, its successful development makes stainless foil tube soldering into reality.
Jinghang technology's high quality products service is widely used in China aerospace, a carrier rocket and spacecraft we offer the whole set technical solution with using our technical advantage.
Cutting-edge technology excellent quality" is our management idea, we implement the "sincerely help" management thinking. Wish with you together for a better future
