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Brazing alloys

For capillary brazing, the company produces a wide range of powder brazing alloys that are used in electric engineering, electronics, the tool-making industry, aviation motor-building, the thermal power industry, mechanical engineering, and other fields.

The use of powder brazing alloys reduces the labor intensity of the technical process of brazing, and makes it possible to accurately dispense material, mechanize brazing operations, and introduce radically new structural and engineering solutions.

JSC POLEMA is open to developing partnerships in this field, and to creating and adapting industrial production of new grades and forms of highly effective brazing alloys.

POLEMA powder brazing-ready alloys are classified into groups based on chemical composition and technological properties:

Grade Brazing temp, °C Weld strength, MPa Field of application

AP-CuMn32Ni8Si3
(PAN-3)

 1000 300-350

Brazing with flux agents 200 or 201, 209 carbonic and alloyed structural steels and cast iron

AP-CuMn25SiNiB
(PAN-9)

 900 250-300 Brazing with flux agent 209 for steels, and flux agent FPSN-2 for cast iron
AP-CuMn24Ni5
(VPr-2)		 1000-1040 280-360 Brazing alloy with increased heat-resistance and resistance to corrosion. Brazing of heat exchange units made from heat- and corrosion-resistant steels and alloys
AP-CuMn29Ni29Co5SiB
(VPr-2)		 1000-1050 350 Brazing of thin-walled structures and stainless steels  (12Cr18Ni10Ti steel) and alloys. Increased corrosion resistance

AP-Ni58B
AP-Ni58V

 1080-1100 400-470 Vacuum brazing of high-strength stainless steels and nickel alloys and thin-wall structures

AP-NiMn18CrMoCu
(VPr-33)

 1120 σcp 220 Argon or vacuum brazing of stainless steels and heat-resistant alloys operating at high temperatures

AP-NiMn34Co10
(VPr-7)

 1160 450-520 Argon or vacuum brazing of thin-walled structures made of stainless steels and heat-resistant alloys

AP-FeMn32Ni12Cu12SiB
(P-87)

 1200 350-400 Brazing of pipes joints in steel gas main pipelines

P-Cr13Ni69Si7B
(No 5N)

 1200 280-300 Argon brazing of corrosion-resistant and heat-resistant steels. Joint strength at 800 °C is 200 MPa
P-Cr10Ni64Mo15Si7B
(6MA)		 1200 320-340 Argon brazing of corrosion-resistant and heat-resistant steels. Unbrazing temperature is 1230 °C
P-CuSn5P7
P-CuSn5P7-P		 700-720 180-200 Brazing of copper and copper alloys with the brazing agent PV-209. Substitute for high-silver brazing alloys PSr25, PSr45. P-CuSn5P7-P is an extrudable modification of this brazing alloy

P-NiMn18CrMoCu
(VPr-33)

 960-970 σcp 400 Brazing of titanium and titanium alloys. Temperature of extended operation is 400 °C

P-Ti44Zr24Cu16Ni16
(VPr-28)

 880-980 σcp 400 Brazing of titanium and titanium alloys. Temperature of extended operation is 400 °C
P-Fe60NiCrB 1185 σcp 400 Brazing of a compound tool made from rapid machining steel in molten BaCl2 salt while tempering a cutting edge

P-Cu53Zn21MnNi
(P100)

 950-1000 260-300 Brazing with brazing agents F-1, PV200 of hard alloys of the type W-Co with steel
P-Cu76Sn9Zn9Ni
(P102)		 940-960 260-300 Brazing of brittle grades of hard alloys
P-Cu63Zn
(PAN-212)		 1015 - A mixture of a brazing alloy with a brazing agent. Brazing of tools made from hard alloys of the types W-Co, Ti-W-Co
P-NiCr9FeSiB
(VPr11-40N) 		1100-1120 - Self-fluxing structural brazing agent for brazing corrosion-resistant steels and alloys in motor-building, and vacuum or argon brazing of segments of turbine blades

 

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