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How Induction Atmospheric Brazing Works

Induction brazing in controlled atmospheres under normal or close-to-normal atmospheric pressure is known as atmospheric brazing, allowing for improved control over the process. 

How Induction Atmospheric Brazing Works

Induction brazing in controlled atmospheres under normal or close-to-normal atmospheric pressure, is known as atmospheric brazing, allowing for improved control over the process.

In this type of environment, open-air issues such as scaling, oxidation, and carbon buildup can be virtually eliminated. A controlled atmosphere is produced in a vacuum furnace, a sealed box or with an atmospheric bell jar with inert atmospheres of nitrogen, argon, and hydrogen.

Induction atmosphere Application Notes

Click to read how heating in and induction atmosphere can improve the efficiency, effectiveness and safety of your heating process.

To search all atmosphere notes, Ctrl+F keyword or ⌘+F keyword or scroll


Braze a thin walled tube to a steel cap in a hydrogen atmosphereBraze a thin walled tube to a steel cap in a hydrogen atmosphere

A single turn helical coil is used to heat the quartz tube and the tube assembly. The tube assembly is held in place inside the quartz tube by a copper fixture and hydrogen is fed into the quartz tube...

Annealing stainless steel caps for a dental applicationAnnealing stainless steel caps for a dental application

Our client had a requirement to anneal large quantities of work-hardened stainless steel crowns. Induction was suggested for its precise, controllable heating. Since oxidation is unacceptable in the finished dental product, induction heating is the appropriate choice for heating in an inert atmosphere.

Crucible Melting a variety of materials in a nitrogen atmosphereCrucible Melting a variety of materials in a nitrogen atmosphere

The crucible is heated using an induction coil with a four turn pancake at the base that extends upward into a three turn helical coil.

Annealing steel tubes in an inert atmosphere Annealing steel tubes in an inert atmosphere

Induction annealing heats steel tubes to 2000 ºF (1093 ºC) in an inert atmosphere for very small areas within precise production tolerances. A two-turn concentrator coil is used to heat the stainless steel tube. The annealing process takes place in an inert atmosphere to prevent oxidation.

Brazing Hydraulic Hose AssembliesBrazing Hydraulic Hose Assemblies

To heat a steel hydraulic hose fitting in an inert atmosphere to 2200°F within 7 seconds for brazing without any carbon buildup.

Brazing Copper Tube AssembliesBrazing Copper Tube Assemblies

To heat a copper tube assembly in an inert atmosphere to 1450°F within 45 seconds for brazing without flux or acid wash clean-up.

Braze Copper Tube to Brass FittingBraze Copper Tube to Brass Fitting

To use induction heating to braze a copper tube to a brass fitting using a preform braze wire.

Four Ways To Contact Ambrell for Support

AMBRELL CORPORATION

1655 Lyell Avenue
Rochester, NY 14606
United States
 

T: +1 585 889 9000
F: +1 585 889 4030
sales@ambrell.com

AMBRELL B.V.

Holtersweg 1
7556 BS Hengelo
The Netherlands
 

T: +31 880 150 100
F: +31 546 788 154
sales-eu@ambrell.com

AMBRELL Ltd.

Unit 6, Space Business Centre
Tewkesbury Road
Cheltenham, GLOS, GL51 9FL
United Kingdom

T: +44 1242 514 042
F: +31 546 788 154
sales-uk@ambrell.com