What is the correct technique for brazing with the Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030?

Proper joint preparation is critical for sound brazed joints: clean all joint surfaces to remove oil, oxide, and scale using emery cloth or a wire brush. Maintain proper joint clearance for capillary flow. Heat the base metal — not the filler rod — to brazing temperature before touching the rod to the joint. The heat-to-flow sequence ensures proper capillary action. Allow the joint to air cool before quenching to avoid thermal shock cracking.

1 2

Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030

Q: What is the Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030 used for?

The Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030 is a silver brazing alloy (BAg-7). Silver brazing alloys produce strong, ductile joints on ferrous metals, copper, copper alloys, and many dissimilar metal combinations. They flow at lower temperatures than conventional copper-phosphorus alloys, reducing base metal distortion. Always use the appropriate brazing flux (Harris Stay-Silv White or Black Flux) with silver brazing alloys.

Q: What diameter is the Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030 available in?

The Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030 is available in 1/16 diameter. Rod or wire diameter selection depends on joint gap clearance and feeding method: narrow-gap joints with tight clearances benefit from thinner rod (easier to feed into the joint), while larger-gap joints require more filler and may work better with thicker rod. Pre-placed rings or preforms are available for production brazing of consistent joint geometries.

Q: Does the Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030 require brazing flux?

Silver brazing alloys require a compatible brazing flux to prevent oxidation during heating and to aid flow. Harris Stay-Silv White Flux is recommended for most silver brazing applications at brazing temperatures up to approximately 1600°F. For higher-temperature alloys or extended-cycle brazing, Stay-Silv Black Flux handles temperatures up to approximately 1800°F. Apply flux to all base metal surfaces before heating.

Q: What package size is the Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030 available in, and how should I store it?

Brazing alloys are sold in various rod lengths and weights — common sizes include 1 lb, 5 lb, and 25 lb packages. Store in a dry location free from oil and solvent contamination. Silver brazing alloys are stable at room temperature and do not require special controlled-atmosphere storage. Keep surfaces clean to ensure proper flux adhesion and capillary flow.

SKU: 0017030

Call for Price

Factory Direct

Free Shipping over $250

Lowest Price

Nickel-silver filler metal for joining ferrous and non-ferrous metals, overlays and build-up of gear teeth shafts, bearings, valve seats, pistons and other surface subject to wear.

Overview

Harris 170 Bare Nickel-Silver Brazing Alloy 1/16 X 36" 50 Pound Box - 0017030

Harris 170 is a copper-zinc-nickel TIG (GTAW) alloy developed for "braze-welding" steel and cast iron. It can also be used for brazing tungsten carbide to steel where higher joining temperature is not objectionable. The nickel addition provides hardness and strength compared to the standard bronze alloys. This characteristic makes it ideal for overlays and build-up of gear teeth, shafts, bearings, valve seats, pistons and other surfaces subject to wear. Also, used for joining ferrous and non-ferrous metals. Harris 170 flows easily and deposits can be machined. Harris 170 can be deposited using oxy-fuel torches. Conforms to AWS A5.8.

Features

Copper-zinc-nickel TIG (GTAW) welding rod
The addition of nickel provides hardness and strength
Good flow and machinability
Typical applications include "braze-welding" steel and cast iron
Ideal for overlays and build-up on equipment and surfaces subject to wear including gear teeth, shafts, bearings, valve seats and pistons
Can also be used for brazing tungsten carbide to steel
Joins ferrous and non-ferrous metals
Conforms to AWS 5.8 RBCuZn-D

Reviews

Q&A

Product Overview