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Sn60Pb40 SW21

The most popular solder wire with flux, for professional use.

  • Contains Pb
  • High activity
  • Organic
  • Contains halides

Alloy designation in accordance with ISO 9453:2014: Sn60Pb40 (103)
Product type: Cored solder wire
Flux: SW21

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2. Chemical compositions, mass fraction in %

Sn Pb Sb Bi Cd Cu Au In Ag Al As Fe Ni Zn
59,50 - 60,50 rest max 0,20 max 0,10 max 0,002 max 0,08 max 0,05 max 0,10 max 0,10 max 0,001 max 0,03 max 0,02 max 0,01 max 0,001

3. Physical characteristics

Melting point (solidus/liquidus) 183/190°C
Density 8,50 g/cm3
Electrical conductivity 0,153 ???m
Thermal conductivity 49 W/m?K
Tensile strength 535 kgf/cm2
Elongation at break 40 %
Hardness 16 HB
Suggested operating temperatures 340 - 420°C

4. SW21 flux

Organic, water-soluble based, halide activated flux. Special flux composition offers good solderability on various metal surfaces excluding aluminum and its alloys. Residues of flux after soldering are water washable if cleaning is necessary or required. The flux is exceptionally well suited for flame soldering.

Flux type acc. to DIN 8511 SW25
Flux type acc. to ISO 9454 2.1.2B
Flux type acc. to J-STD-004 ORH1
Flux content 2,0 +/- 0,2%; 3 cores of flux (1 core or other flux content on request)
Halide content > 2,0%
Acid Value not applicable
SIR test (PN-EN ISO 9455-17) no data
Washability Recommended washing

5. Other information

Available diameters

0,25 ? 0,38 ? 0,50 ? 0,56 ? 0,70 ? 0,80 ? 0,90 ? 1,00 ? 1,20 ? 1,50 ? 1,60 ? 2,00 ? 2,50 ? 3,00 ? 4,00 mm

other on request

Packed

50 g ? cartons 120 pcs.
100 g ? cartons 30 pcs. / 3 kg
250 g ? cartons 5 kg
500 g ? cartons 5 kg
1 kg ? cartons 10 kg
Vial Ø1,00 mm (10g, 16g) ? cartons 600 pcs

other on request

Expiration date 3 years from the end of the year of production.
for example: batch 61112233 = date of production 2016, date of expiry 2019
Label Reels and cartons marked with alloy type, flux type, diameter, net weight and batch number.
Storage Store at room temperature, in a dry place and beyond the reach of children.
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Files to download:

Sn60Pb40 SW21 - Technical data sheet

Sn60Pb40 SW21 - Safety data sheet

Physical, mechanical and chemical properties available in TDS (download above).

PRODUCTS

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  • With or without flux. Diameters starting from 0.1 mm.

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PRODUCTS

Find products by type

  • Solder wires
  • Solder bars, rods
  • Solder pastes
  • Soldering fluxes
  • Others
  • With or without flux. Diameters starting from 0.1 mm.

    More
  • Materials used in processes such as wave soldering.

    More
  • Cynel pastes made from the finest quality powder manufactured on site in the Warsaw Factory.

    More
  • Substances ensuring wettability and spreadability of solder.

    More
  • Accessories and DIY materials.

    More
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