Sifphosphor Bronze No 8 Gas Brazing/Bronze Rods – 2.4 mm x 1 Kg

RO082401

£67.56 ex VAT £81.07 inc VAT

Brand: SIF
Product Model:
RO082401
Availability:
In Stock

  • Material: Phosphor-Bronze with 7% Tin
  • Pack Size: 1 KG
  • Rod Diameter: 2.4 mm
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Description

Sifphosphor Bronze No 8 Gas Brazing/Bronze Rods – 2.4 mm x 1 Kg

Sifphosphor Bronze No 8 Gas Brazing/Bronze Rods are phosphor-bronze rods enhanced with 7% tin. They are ideal for fusion welding of phosphor bronze castings, copper alloys, and brass when using oxy/acetylene welding. Additionally, these rods are suitable for TIG brazing on ferrous, stainless, and dissimilar metals. They are especially designed for welding around pipes with a wall thickness greater than 1.6mm.

Features and Benefits:

  • High Tin Content: Contains 7% tin, ensuring optimal fusion welding capabilities.
  • Versatile Welding: Suitable for both oxy/acetylene and TIG brazing processes.
  • Compatibility: Ideal for welding phosphor bronze castings, copper alloys, brass, and more.
  • Preparation Recommendations: Ensure that the parent metal surface is cleaned thoroughly before welding. For metals containing trace lead, it’s advised to apply in stages, grinding between passes to reduce porosity.

Common Applications:

  • Oxy/Acetylene Welding: Suitable for welding bronze, brass, copper, and copper alloys. Especially beneficial for crack repair in castings.
  • TIG Brazing: Can be used on ferrous and dissimilar metals, especially when parent metal contains trace lead.

Material to be Welded

Commonly used in oxy/acetylene on bronze, brass, copper and copper alloys for applications such as crack repair in castings. The use of flux is normally unnecessary in most applications, but Sifbronze Flux can be beneficial in aiding flow when used on copper which is dirty or oxidised.

Where parent metal contains trace lead (such as in LG2), it is advisable to use Sifphosphor Bronze No 8 in the TIG Brazing process, and apply in stages, grinding between passes to remove lead drawn into the joint and reduce porosity.

Specifications

Product Type Gas Rods – Brazing
Part Number RO082401
Weight 1 KG
Diameter 2.4 mm
Melting Point DegC 900-1050
U.T.S. N/mm2 260
Shielding Gas (TIG) Pure Argon

Welding Positions

sifphosphor bronze no 8 welding positions

Weldable in all positions and particularly suitable for welding around pipes (with wall thickness >1.6mm). Ensure surfaces of parent metal are cleaned thoroughly before welding.

Typical Weld Metal Composition

Sn 7%
Cu Bal

Typical Mechanical Properties

Melting Point 900-1050°C
Ultimate Tensile Strength 260 N/mm²
Hardness (BHN) 80

Standards

EN 14640 Cu 5180 (CuSn6P)
BS: 2901 C11

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