Lastek 38

Silver solder for copper alloys

EN 1044 (CP 102)
AWS A5.8 (BCuP-5)

General description:

Very good bond on copper, brass and bronze. No flux needed on pure copper. Very economic use due to the high capillary flow and excellent fluidity.

Typical applications:

Joining of copper in machine construction, electric motors, hydraulic lines. Joints in refrigeration installations. Hardness: 180 HB. Bonding temperature: 680°C. Electrical resistivity: 0.14 ohm-mm²/m.

Typical chemical composition of all-weld-metal:

Ag	P	Cu
14,50-15,50	4,70-5,30	Balance

Typical mechanical properties of all-weld-metal:

Tensile	Elongation
>250 Mpa	>10 %

Tips:

Joint clearances: 0.2mm or less. On pure copper no flux is needed. Apply flux Lastek 31C (powder) or Lastek 31CN (paste) on brass and bronze. Lastek 38 is not suitable for Ni or Al alloys, or for steels.

Packaging information:

2,0mm x 500mm, 1,0kg -ArticleNo.:38.205

Other dimensions and packaging on request.

Reference/date:

Lastek 38
English, 20.11.2019.

Download product datasheet (.pdf)
Download safety datasheet (.pdf)

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