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  • Sterling Lead Free Wire Solder (1 lb. Spool) Product Image
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    Sterling Lead Free Wire Solder (1 lb. Spool) 331755 Sterling Lead Free Wire Solder (1 lb. Spool)
    SKU: 331755
    Brand: Harris
    (9)
    $38.08 each
    903
    Wed, May 19
    903
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    903 Wed, May 19
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  • 95/5 Lead Free Wire Solder 1 lb. Spool<br>(95% Tin - 5% Antimony) Product Image
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    95/5 Lead Free Wire Solder 1 lb. Spool (95% Tin - 5% Antimony) 331760 95/5 Lead Free Wire Solder 1 lb. Spool (95% Tin - 5% Antimony)
    SKU: 331760
    Brand: Harris
    (4)
    $34.34 each
    780
    Wed, May 19
    780
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    780 Wed, May 19
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  • Stay-Silv 15% Flat Brazing Rods (28 Sticks per Tube) Product Image
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    Stay-Silv 15% Flat Brazing Rods (28 Sticks per Tube) 15620F1 Stay-Silv 15% Flat Brazing Rods (28 Sticks per Tube)
    SKU: 15620F1
    Brand: Harris
    (4)
    $120.90 each
    331
    Wed, May 19
    331
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    331 Wed, May 19
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  • Stay Bright #8 Lead Free Silver Bearing Solder, 1/8" x 1 lb. Spool (94% Tin - 6% Silver) Product Image
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    Stay Bright #8 Lead Free Silver Bearing Solder, 1/8" x 1 lb. Spool (94% Tin - 6% Silver) SB861 Stay Bright #8 Lead Free Silver Bearing Solder, 1/8" x 1 lb. Spool (94% Tin - 6% Silver)
    SKU: SB861
    Brand: Harris
    (10)
    $65.79 each
    190
    Wed, May 19
    190
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    190 Wed, May 19
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  • 95/5 Lead Free Plumbing Wire Solder 4 oz<br>(95% Tin - 5% Antimony) Product Image
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    95/5 Lead Free Plumbing Wire Solder 4 oz (95% Tin - 5% Antimony) 53027 95/5 Lead Free Plumbing Wire Solder 4 oz (95% Tin - 5% Antimony)
    SKU: 53027
    Brand: Oatey
    (4)
    $10.20 each
    179
    Wed, May 19
    179
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    179 Wed, May 19
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  • 97/3 (Solder Safe) Lead Free Wire Solder (1 lb. Spool) Product Image
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    97/3 (Solder Safe) Lead Free Wire Solder (1 lb. Spool) 331761 97/3 (Solder Safe) Lead Free Wire Solder (1 lb. Spool)
    SKU: 331761
    Brand: Harris
    (3)
    $29.50 each
    131
    Wed, May 19
    131
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    131 Wed, May 19
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  • Stay-Silv 5% Flat Brazing Rods (28 Sticks per Tube) Product Image
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    Stay-Silv 5% Flat Brazing Rods (28 Sticks per Tube) 5620F1 Stay-Silv 5% Flat Brazing Rods (28 Sticks per Tube)
    SKU: 5620F1
    Brand: Harris
    $67.38 each
    160
    Wed, May 19
    160
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    160 Wed, May 19
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  • Premier Silver Lead Free Wire Solder (1 lb. Spool) Product Image
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    Premier Silver Lead Free Wire Solder (1 lb. Spool) 331756 Premier Silver Lead Free Wire Solder (1 lb. Spool)
    SKU: 331756
    Brand: Harris
    (4)
    $36.10 each
    149
    Wed, May 19
    149
    QtyArrives
    149 Wed, May 19
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  • Bridgit 1/8 x 1lb Spool of Solder Product Image
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    Bridgit 1/8 x 1lb Spool of Solder BRGT61 Bridgit 1/8 x 1lb Spool of Solder
    SKU: BRGT61
    Brand: Harris
    $32.60 each
    93
    Wed, May 19
    93
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    93 Wed, May 19
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  • Dynaflow PhosCopper Brazing Rods (28 Sticks per Tube) Product Image
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    Dynaflow PhosCopper Brazing Rods (28 Sticks per Tube) D620F1 Dynaflow PhosCopper Brazing Rods (28 Sticks per Tube)
    SKU: D620F1
    Brand: Harris
    $51.99 each
    69
    Wed, May 19
    69
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    69 Wed, May 19
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  • 95/5 Lead Free Solder 1 lb. Spool<br>(95% Tin - 5% Antimony) Product Image
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    95/5 Lead Free Solder 1 lb. Spool (95% Tin - 5% Antimony) SOLD95/5 95/5 Lead Free Solder 1 lb. Spool (95% Tin - 5% Antimony)
    SKU: SOLD95/5
    Brand: Victory White
    (9)
    $30.85 each
    13
    Wed, May 19
    13
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    13 Wed, May 19
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  • 1/16" Safety-Silv High-Silver (56%), 1 Troy Oz Product Image
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    1/16" Safety-Silv High-Silver (56%), 1 Troy Oz 5631 1/16" Safety-Silv High-Silver (56%), 1 Troy Oz
    SKU: 5631
    Brand: Harris
    (1)
    $35.63 each
    54
    Wed, May 19
    54
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    54 Wed, May 19
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  • Stay-Silv 6% PhosCopper Brazing Rods (28 Sticks per Tube) Product Image
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    Stay-Silv 6% PhosCopper Brazing Rods (28 Sticks per Tube) 6620F1 Stay-Silv 6% PhosCopper Brazing Rods (28 Sticks per Tube)
    SKU: 6620F1
    Brand: Harris
    $57.05 each
    81
    Wed, May 19
    81
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    81 Wed, May 19
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  • Silver Lead Free Plus<br>1 lb. Spool (SLF) Product Image
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    Silver Lead Free Plus 1 lb. Spool (SLF) SLFPLUS Silver Lead Free Plus 1 lb. Spool (SLF)
    SKU: SLFPLUS
    Brand: Victory White
    (10)
    $33.16 each
    118
    Wed, May 19
    118
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    118 Wed, May 19
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  • 0 Silver PhosCopper Brazing Alloy (28 Sticks per Tube) Product Image
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    0 Silver PhosCopper Brazing Alloy (28 Sticks per Tube) 0620F1 0 Silver PhosCopper Brazing Alloy (28 Sticks per Tube)
    SKU: 0620F1
    Brand: Harris
    (1)
    $17.34 each
    74
    Wed, May 19
    74
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    74 Wed, May 19
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  • Lead Free Solder Super 50, 1 lb. Spool (LFS) Product Image
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    Lead Free Solder Super 50, 1 lb. Spool (LFS) LFSSUPER50 Lead Free Solder Super 50, 1 lb. Spool (LFS)
    SKU: LFSSUPER50
    Brand: Victory White
    (5)
    $35.60 each
    29
    Wed, May 19
    29
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    29 Wed, May 19
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  • Stay-Silv 2% Silver Phos-Copper Solder Brazing Alloy (28 Sticks per Tube) Product Image
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    Stay-Silv 2% Silver Phos-Copper Solder Brazing Alloy (28 Sticks per Tube) 2620F1 Stay-Silv 2% Silver Phos-Copper Solder Brazing Alloy (28 Sticks per Tube)
    SKU: 2620F1
    Brand: Harris
    (1)
    $21.44 each
    18
    Wed, May 19
    18
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    18 Wed, May 19
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  • 1/16"x 18" Flux Coated Safety-Silv High-Silver (45%), 4 Oz (Pack of 9 Sticks) Product Image
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    1/16"x 18" Flux Coated Safety-Silv High-Silver (45%), 4 Oz (Pack of 9 Sticks) 45F3184 1/16"x 18" Flux Coated Safety-Silv High-Silver (45%), 4 Oz (Pack of 9 Sticks)
    SKU: 45F3184
    Brand: Harris
    $75.74 each
    9
    Wed, May 19
    9
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    9 Wed, May 19
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  • 95/5 Lead Free Rosin Core Wire Solder, 8 oz (95% Tin - 5% Antimony) Product Image
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    95/5 Lead Free Rosin Core Wire Solder, 8 oz (95% Tin - 5% Antimony) 53171 95/5 Lead Free Rosin Core Wire Solder, 8 oz (95% Tin - 5% Antimony)
    SKU: 53171
    Brand: Oatey
    $16.84 each
    41
    Wed, May 19
    41
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    41 Wed, May 19
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  • Aluxcor 78/22 Flux Cored Zinc/Aluminum Brazing Alloy Product Image
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    Aluxcor 78/22 Flux Cored Zinc/Aluminum Brazing Alloy ZN78CW09420POP Aluxcor 78/22 Flux Cored Zinc/Aluminum Brazing Alloy
    SKU: ZN78CW09420POP
    Brand: Harris
    $24.91 each
    1
    Wed, May 19
    1
    QtyArrives
    1 Wed, May 19
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  • Stay-Silv 15% PhosCopper Brazing Rods (11 Sticks per Tube) Product Image
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    Stay-Silv 15% PhosCopper Brazing Rods (11 Sticks per Tube) 15620S1 Stay-Silv 15% PhosCopper Brazing Rods (11 Sticks per Tube)
    SKU: 15620S1
    Brand: Harris
    $109.61 each
    16
    Wed, May 19
    16
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    16 Wed, May 19
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  • QuickSilver PhosCopper Brazing Alloy (28 Sticks per Tube) Product Image
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    QuickSilver PhosCopper Brazing Alloy (28 Sticks per Tube) QS620F1 QuickSilver PhosCopper Brazing Alloy (28 Sticks per Tube)
    SKU: QS620F1
    Brand: Harris
    $12.49 each
    36
    Wed, May 19
    36
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    36 Wed, May 19
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  • Blockade Phosphorus Tin Silicon Brazing Rods (20 Sticks per Tube) Product Image
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    Blockade Phosphorus Tin Silicon Brazing Rods (20 Sticks per Tube) BK220R1 Blockade Phosphorus Tin Silicon Brazing Rods (20 Sticks per Tube)
    SKU: BK220R1
    Brand: Harris
    $30.13 each
    Thu, Jun 3 – Thu, Jun 10
    Arrives
    Thu, Jun 3 – Thu, Jun 10
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  • 1/16" Safety-Silv Silver (45%), 1 Troy Oz Product Image
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    1/16" Safety-Silv Silver (45%), 1 Troy Oz 4531-HARRIS 1/16" Safety-Silv Silver (45%), 1 Troy Oz
    SKU: 4531-HARRIS
    Brand: Harris
    $27.00 each
    Thu, Jun 3 – Thu, Jun 10
    Arrives
    Thu, Jun 3 – Thu, Jun 10
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FAQs, Manuals & Videos

Resources

Articles

  • Solder is a fusible metal alloy that, when melted, functions to join two or more metals together in a process known as soldering. In plumbing systems, soldering produces bonds between copper pipe and fittings. The connections produced by solder are liquid and gas tight.

    There are three types of soldering: soft soldering, silver soldering, and brazing. Each type differs in the strength of the metallic bond and the temperature required to melt the solder. Soft soldering requires the least amount of heat, but produces the weakest bond, while brazing produces the strongest bond at the highest temperatures. Solder generally used in plumbing applications is soft solder and typically has a melting range between 190 and 840°F, although alloys with melting points between 360 and 370°F are the most commonly used.

    Solder is available in a variety of compositions, and it is the relative percentages of the metallic components which determine the melting point of the solder. Prior to the 1980s, soft solder traditionally contained lead and tin. However, due to the rising health concerns of lead poisoning, lead-free solder has now largely replaced traditional lead solder. Lead-free solder often contains alternative metallic components such as antimony, copper or silver. The concentration of tin is directly related to the tensile strength (maximum tension the bond can withstand before tearing) and the shear strength (degree to which the metallic bond is able to resist shearing) of the solder. The solder will have greater tensile and shear strengths as the concentration of tin increases. Solders with higher concentrations of tin are more expensive.

    We carry several types of lead-free solders for plumbing applications, with the 95/5 tin-antimony solder being the most popular. Click here to view our selection of soldering torches.

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