Hard solders
Hard solders

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Manufacturer: Alfa

Hard solders

Mark Composition
Chemical
[%]		 Melting Temperature [oC] Application
Local EN ISO
3677:1995		 PN EN 1044:2002 solidus - liquidus
LS25 B-Cu40ZnAg-700/790 Ag205 Ag 24-26
Cu 39-41
Zn 33-37		 700-790 cast iron,
carbon and low-alloy steels,
copper and copper alloys
LS45 B-Ag44CuZn-675/735 Ag203 Ag 43-45
Cu 29-31
Zn 24-28		 675-735 copper,
nickel and their alloys,
cast iron,
high-alloy steels
LS70 - - Ag 69-71
Cu
Zn		 715-735 copper,
nickel and their alloys
LS34Sn B-Cu36AgZnSn-630/730 Ag106 Ag 33-35
Cu 35-37
Zn 25.5-29.5
Sn 2-3		 630-730 steel,
copper, copper alloys,
nickel, nickel alloys
LS45Sn B-Ag45CuZnSn-640/680 Ag104 Ag 44-46
Cu 26-28
Zn 23.5-27.5
Sn 2-3		 640-680
LS55Sn B-Ag55CuZnSn-630/660 Ag103 Ag 54-56
Cu 20-22
Zn 20-24
Sn 1.5-2.5		 630-660
LS49MN B-Ag49ZnCuMnNi-680/705 Ag502 Ag 48-50
Cu 15-17
Zn 21-25
Mn 6.5-8.5
Ni 4-5		 680-705

Forms of solder offered:

  • In the form of wire with a diameter of 0.5 to 6 mm
  • In the form of rods with a diameter of 1.5 to 4 mm - the length of the rods depends on the diameter and is 500 or 1000 mm

The price of solder depends on the prices of raw materials on the exchanges. For information on prices, delivery times, and payment terms, please contact us by phone or email, which can be found in the contacts tab.

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Mark Composition
Chemical
[%]		 Melting Temperature [oC] Application
Local EN ISO
3677:1995		 PN EN 1044:2002 solidus - liquidus
LS25 B-Cu40ZnAg-700/790 Ag205 Ag 24-26
Cu 39-41
Zn 33-37		 700-790 cast iron,
carbon and low-alloy steels,
copper and copper alloys
LS45 B-Ag44CuZn-675/735 Ag203 Ag 43-45
Cu 29-31
Zn 24-28		 675-735 copper,
nickel and their alloys,
cast iron,
high-alloy steels
LS70 - - Ag 69-71
Cu
Zn		 715-735 copper,
nickel and their alloys
LS34Sn B-Cu36AgZnSn-630/730 Ag106 Ag 33-35
Cu 35-37
Zn 25.5-29.5
Sn 2-3		 630-730 steel,
copper, copper alloys,
nickel, nickel alloys
LS45Sn B-Ag45CuZnSn-640/680 Ag104 Ag 44-46
Cu 26-28
Zn 23.5-27.5
Sn 2-3		 640-680
LS55Sn B-Ag55CuZnSn-630/660 Ag103 Ag 54-56
Cu 20-22
Zn 20-24
Sn 1.5-2.5		 630-660
LS49MN B-Ag49ZnCuMnNi-680/705 Ag502 Ag 48-50
Cu 15-17
Zn 21-25
Mn 6.5-8.5
Ni 4-5		 680-705

Forms of solder offered:

  • In the form of wire with a diameter of 0.5 to 6 mm
  • In the form of rods with a diameter of 1.5 to 4 mm - the length of the rods depends on the diameter and is 500 or 1000 mm

The price of solder depends on the prices of raw materials on the exchanges. For information on prices, delivery times, and payment terms, please contact us by phone or email, which can be found in the contacts tab.

Less
Read more
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