SILVER SOLDER (BRAZING RODS)

Soldering Solutions
Part CodeDescriptionSilver ContentRod Thickness
SOL-S2.0AG0-KG2.0MM X 500MM SILVER SOLDER SQUARE CuP1790%2.0MM
SOL-S2.5AG0-KG2.5MM X 800MM SILVER SOLDER CUP1790%2.5MM
SOL-S2AG1-SQUARE-KG2.0MM X 600MM SILVER SOLDER Phos1 SQUARE0%2.0MM
SOL-S3.0AG0-KG3.0MM X 600MM SILVER SOLDER CuP1790%3.0MM
SOL-ZERO-PACK1.27MM X 3.18MM X 508MM SOLDER0%1.27MM
SOL-S2.0AG0.2-KG2.0MM X 500MM SILVER SOLDER S2(0.2) SQUARE0.20%2.0MM
SOL-S2.0AG2-KG2.0MM X 500MM SILVER SOLDER AG2P2%2.0MM
SOL-S3.0AG2-KG3.0MM X 500MM SILVER SOLDER AG2P2%3.0MM
SOL-S3.0AG2-PACK3.0MM X 500MM SILVER SOLDER AG2P2%3.0MM
SOL-S1.5AG5-KG1.5MM X 500MM SILVER SOLDER AG5P5%1.5MM
SOL-S2.0AG5-KG2.0MM X 500MM SILVER SOLDER AG5P5%2.0MM
SOL-S2.5AG5-KG2.5MM X 500MM SILVER SOLDER AG5P5%2.5MM
SOL-S3.0AG5-KG3.0MM X 500MM SILVER SOLDER AG5P5%3.0MM
SOL-S3.0AG5-PACK3.0MM X 500MM SILVER SOLDER AG5P5%3.0MM
SOL-S1.5AG15-KG1.5MM X 500MM SILVER SOLDER AG15P15%1.5MM
SOL-S1.5AG15-PACK1.5MM X 500MM SILVER SOLDER AG15P15%1.5MM
SOL-S2.5AG15-KG2.5MM X 500MM SILVER SOLDER AG15P15%2.5MM
SOL-S1.5AG30-KG1.5MM X 500MM SILVER SOLDER AG30 KG30%1.5MM
SOL-S1.5AG30-PACK1.5MM X 500MM SILVER SOLDER AG3030%1.5MM
SOL-S1.5AG30FC-PACK1.5MM X 500MM SILVER SOLDER AG30 FLUX COAT30%1.5MM
SOL-S1.5AG38-KG1.5MM X 500MM SILVER SOLDER AG38 KG38%1.5MM
SOL-S1.5AG40-KG1.5MM X 500MM SILVER SOLDER AG40 KG40%1.5MM
SOL-S1.5AG40-PACK1.5MM X 500MM SILVER SOLDER AG4040%1.5MM
SOL-S1.5AG40FC-KG1.5MM X 500MM SILVER SOLDER AG40 FLUX COAT40%1.5MM
SOL-S1.5AG40FC-PACK1.5MM X 500MM SILVER SOLDER AG40 FLUX COAT40%1.5MM
SOL-S3.0AG40FC-KG3.0MM X 500MM SILVER SOLDER AG40 FLUX COAT40%3.0MM
SOL-S2.5AG45-KG2.5MM X 500MM SILVER SOLDER AG45P45%2.5MM
SOL-S2.5AG5-50PACK2.5MM X 500MM SILVER SOLDER AG5P50%2.5MM
SOL-S2.0AG56FC-PACK2.0MM X 500MM SILVER SOLDER AG56 FLUX COAT56%2.0MM

Lawton Silver Solder & Brazing Rods

Lawton Silver Solder and Brazing Rods are manufactured to BS EN ISO 17672 (CuP104) standards, providing reliable and high-performance brazing solutions for professional plumbing, heating and engineering applications.

Available in a wide range of silver contents, Lawton brazing rods are designed to meet the requirements of different jointing applications. The most commonly used grades include 0.2%, 2% and 5% silver (Ag), with additional silver percentages available to suit specific installation requirements.

Manufactured for dependable performance and strong, consistent joints, Lawton Silver Solder Rods are suitable for use across copper and copper alloy pipework systems. Products are available in a range of diameters, pack sizes and formats, including individual packs, 1kg quantities and specialist alloy options.

Standard packaging includes 1kg hangable plastic sleeves, cardboard boxes and round tubes, providing convenient storage and easy access for professional installers.

Key Features

  • Manufactured to BS EN ISO 17672 (CuP104)
  • Available in multiple silver content options
  • Common grades include 0.2%, 2% and 5% silver
  • Suitable for professional brazing applications
  • Designed for reliable, high-strength joints
  • Available in multiple rod diameters and pack sizes
  • Supplied in 1kg sleeves, cardboard boxes and tube packaging
  • Additional silver content options available on request

Available Products

    • Lawton 0.2% Silver Solder Rod – 2 x 500mm
    • Lawton 2% Silver Solder Rod – 3 x 500mm
    • Lawton 5% Silver Solder Rod – 3 x 500mm
    • Lawton 6% Silver Solder Rod – 2.5 x 500mm
    • Lawton 15% Silver Solder Rod – 1.5 x 500mm
    • Lawton 30% Silver Solder Rod – 1.5 x 500mm
    • Lawton 40% Silver Solder Rod – 1.5 x 500mm
    • Lawton 56% Silver Solder Rod – 2 x 500mm
    • Lawton Brazing Flux Powder – 250g

Technical Data

Product Overview

Lawton Capillary Refrigeration Fittings are designed for use in air conditioning, refrigeration and CO₂ piping systems. Manufactured from high-purity copper and available in sizes from 1/4" to 4.1/8" (6.35mm – 104.775mm), the range provides a reliable solution for soldered and brazed refrigeration installations.

Applications

  • Air Conditioning Systems
  • Refrigeration Piping Systems
  • CO₂ Refrigeration Systems

Market Sectors

  • Domestic
  • Commercial

Product Specifications

Property

Specification

Size Range

1/4" – 4.1/8" (6.35mm – 104.775mm)

Material

CW024A Copper

Jointing Method

Soldering, Brazing

Electrical Continuity

Yes

Product Marking

Permanent Marking, Lawton Logo, Size

Form of Supply

Bags and Boxes

Inner Surface Quality

Clean and Smooth, Carbon Content ≤ 0.38 mg/dm²

Thread Specification (Male)

ASME B1.20.1 (NPTE)

Thread Specification (Female)

ASME B1.20.1 (NPTI)

Standard

ASME B16.22

PED Compliance

Compliant Component in Pressure Equipment Directive Assemblies

Warranty

75 Years*

*Subject to standard Terms & Conditions. Please refer to our website for full details.

Compatible Refrigerants

Suitable for use with:

  • R32
  • R134a
  • R410A
  • R404A
  • R407C
  • R407F
  • R1234yf
  • R1234ze
  • R744 (CO₂)
  • And other common refrigerants

Standards & Compliance

Category

Standard

Fittings Standard

ASME B16.22

Male Thread Specification

ASME B1.20.1 (NPTE)

Female Thread Specification

ASME B1.20.1 (NPTI)

Pressure Equipment

PED Compliant Component

Material Composition & Properties

Property

Value

Copper Content Including Silver

99.90%

Phosphorus

0.015 – 0.040%

Total Impurities (Excluding Phosphorus and Silver)

0.060%

Melting Point

1083°C

Density

8.96 g/cm³

Maximum Operating Pressure (BS EN 378-2)

Size

Burst Pressure

Up to 55°C

Up to 100°C

Up to 150°C

1/4"

500 bar

150 bar

150 bar

131 bar

3/8"

360 bar

120 bar

120 bar

105 bar

1/2"

320 bar

100 bar

100 bar

87 bar

5/8"

300 bar

100 bar

100 bar

87 bar

3/4"

280 bar

90 bar

90 bar

79 bar

7/8"

240 bar

80 bar

80 bar

70 bar

1.1/8"

220 bar

75 bar

75 bar

66 bar

1.3/8"

220 bar

65 bar

65 bar

57 bar

1.5/8"

180 bar

55 bar

55 bar

48 bar

2.1/8"

100 bar

33 bar

33 bar

29 bar

2.5/8"

93 bar

31 bar

31 bar

27 bar

3.1/8"

87 bar

29 bar

29 bar

25 bar

3.5/8"

84 bar

28 bar

28 bar

24.5 bar

4.1/8"

81 bar

27 bar

27 bar

23.5 bar

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