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Keen K-1000 SMAW Electrode Holding Oven

At Keen, we offer a wide range of welding consumable storage ovens to satisfy the most demanding welding requirements.  Our
high-performance products are manufactured exclusively in the USA at our facility in Hammond, Louisiana.  We are currently one of the largest manufacturers of welding electrode ovens and welding flux ovens in North America, and proudly serve welding industry professionals worldwide.

The Keen K-1000 is an electrical industrial oven that is designed for heated storage of low-hydrogen, shielded metal arc welding (SMAW) electrodes in order to maintain factory-fresh dryness in the hygroscopic flux coating.   It has a 1500 lb. storage capacity and a temperature range of Ambient-550°F (Ambient-288°C).

To prevent atmospheric moisture absorption in the low-hydrogen flux coating of SMAW welding electrodes, the Keen K-1000 welding electrode oven is your answer.  Highly efficient and easy to use, it is the ideal solution for heated, dry storage of up to 1500 lbs of SMAW electrodes with lengths up to 18 inches (45.7cm).

As with all Keen ovens, the Keen K-1000 welding rod oven can be customized to suit other applications.  We can modify the temperature range, size, shelving configuration and more.  Please contact us with your requirement today 1-888-512-2870. Please click here to see customized versions of the K-1000.

Keen Shelving Advantage

Electrode Capacity: 1500 lbs. (680.4 kg) 18" (45.7 cm) rods
Volts: 120V, 240V & 480V.
Watts:
3000W
Thermostat:
Dial Adjustable
Temperature: 150°- 550°F (65°- 288°C)

Insulation: 2" (5.08 cm) Thermal Insulating Wool Interior Dimensions: 27" (68.58 cm) x 20.5" (52.07 cm) x 40" (101.60 cm)
Net Weight: 300 lbs. (136.08 kg)
Shipping Weight: 317 lbs. (143.80 kg)

Keen K-1000 SMAW Welding Electrode Storage Oven Features:

Oven Temperature Control System

  • Digitally adjustable, ON/OFF microprocessor-based controller
  • Stable, reliable temperature control
  • 4-digit LED temperature indicating display
  • Temperature readout in Fahrenheit or Celsius
  • Straightforward operation with easy-to-use features

Oven Safety Features

  • Adjustable, thermocouple-actuated manual reset over temperature control (high limit fail safe device)
  • Heavy-duty door latches and handle
  • UL® approved incoloy sheath tubular heating elements

Oven Construction

  • Durable powder-coated steel exterior
  • Welded construction
  • Angled perforated shelving induces natural convection
  • Heavy-duty reinforced door, door latches and handle
  • High-strength door gasket with 304 stainless steel knitted wire core and high-temperature fiberglass overbraid
  • Pockets at oven base for easy transport by forklift
  • 1 year limited manufacturer warranty

Frequently Asked Questions:

What are stick electrodes and what is shielded metal arc welding (SMAW)?

SMAW (Shielded Metal Arc Welding) is a manual arc welding process that is often called stick welding.  It is one of the most popular welding processes used today.  Its popularity is due to the versatility of the process and the simplicity and low cost of the equipment and operation.  SMAW is commonly used with such materials as mild steel, cast iron, and stainless steel

The process requires a consumable electrode that is coated in flux (stick rod) to lay the weld, and an electric current is used to create an electric arc between the electrode and the metals that are being welded together.  The electric current may be either an alternating current or a direct current from a welding power supply.
While the weld is being laid, the electrode’s flux coating disintegrates.  This produces vapors that provide a shielding gas and a layer of slag.  Both the gas and slag protect the weld pool from atmospheric contamination.  The flux also serves to add scavengers, deoxidizers, and alloying elements to the weld metal.

For more in-depth information on stick welding, click here:

What is the difference between welding electrode rebaking and welding electrode holding

Generally, there are two processes involved with the proper maintenance of stick welding electrodes: holding (also called storing) and rebaking (also called reconditioning).

The holding process refers to the short-term* or long-term** heated storage of welding electrodes to maintain factory-fresh dryness.  Storing the rods at elevated temperatures prevents atmospheric moisture contamination of the electrode’s hygroscopic flux coating.  There are various temperature requirements according to the type of electrode and also that are also set forth by welding codes.  For specific holding temperature guidelines, please contact the manufacturer of your consumable.

The rebaking process refers to the short-term*, high temperature heating of welding rods that have been or may have been contaminated by atmospheric moisture.  The rebaking process “reconditions” the welding rod, meaning it bakes out the moisture that has entered the coating thus restoring the electrode so it is suitable for reuse.  Many large shops have a rebake rod oven in the tool crib in which electrodes coming back from the field are procedurally rebaked as a precaution to remove any moisture, and then put into a holding oven for long term low temperature storage for reuse.  For specific rebake temperature guidelines, please contact the manufacturer of your consumable.

* - In relation to our products, we consider short-term to mean 8 hours or less.

** - In relation to our products, we consider long-term to mean 24 hours/day 7 days/week.

Why do I need to store and/or rebake stick welding electrodes in a heated rod oven?

In stick welding (SMAW), the most commonly used welding electrode is low hydrogen 7018.  It is covered with flux which is hygroscopic (easily absorbs moisture from the air).  This flux coating burns and converts into a shielding gas that protects the weld pool from atmospheric contaminants such as hydrogen, nitrogen, oxygen and others. If these contaminants enter the weld pool they will cause defects such as cracking, and porosity (worm holes.)  These defects can create a weak point at which the weld may fail under stress or load.

Low-hydrogen 7018 rods are just what their name states…low hydrogen. They allow very little hydrogen into the weld pool unless they have been stored improperly and contaminated by moisture.  Moisture allows hydrogen into the flux, which is then introduced into the weld pool adversely. This moisture contamination is super-heated during the welding process, converts into steam and then bubbles up to the surface leaving an open pocket in the finished weld bead. So at that particular spot the weld is weaker because it is not a solid bead.  This will happen at the beginning of the bead with each new rod used, and diminish as the rod heats up and burns the moisture out as it is being consumed.
Moisture-contaminated rods may make a good-looking weld at first, but they will be subject to longitudinal cracking either right after welding, or later on (longitudinal cracking occurs where a crack begins at one point and follows the length of the weld).

How are K-1000 welding rod ovens used in the field?

As explained above, SMAW rod ovens for holding are designed to reach temperatures needed to maintain dryness and prevent atmospheric moisture absorption in the flux coating of low hydrogen SMAW electrodes.  The large capacity rod ovens are often centrally located within a facility where the storage and distribution of welding consumables is controlled.  When electrodes are returned from the field, they are examined, and it is determined if they are to be put into a holding rod oven or redried at high temperatures in a rebake rod oven. Keen K-1000 holding SMAW rod ovens are large capacity units, and are the preferred choice for many large manufacturing, fabrication and aerospace facilities where tight control of welding electrode quality and cost is of utmost importance.

What can you tell me about performance of Keen K-1000 rod ovens?

The K-1000 is ruggedly designed to withstand years of use in the most demanding industrial environments.  Heavy-gauge steel is used throughout the unit and 2 inches of mineral wool in the oven walls and door keeps Keen K-1000 SMAW rod ovens well-insulated and energy efficient.  The exterior features a durable powder-coated paint that is highly-resistant to industrial environments and will stand up to years of use.

Thorough, energy-efficient and quick heating is the hallmark of all Keen welding electrode storage ovens.  The K-1000 holding rod oven in particular has three 1000W incoloy sheath tubular heating elements placed in areas to facilitate natural convection and efficient heating.

As standard equipment, Keen K-1000 rod ovens feature a microprocessor-based ON/OFF controller with digital temperature adjustment and LED temperature-indicating display.  The temperature reading can be displayed in either Fahrenheit or Celsius, and has a ±1 degree accuracy.  Handy tactile increment/decrement keys on the controller’s water-resistant front panel enable easy temperature set point adjustment.  The controller also features an on/off control mode.  The standard control unit supplied with Keen K-1000 rod ovens is programmable for standard operation, and upgraded temperature controls and accessories are available.  Please visit our temperature control page to learn more by clicking here.

Can you explain the purpose of angled shelves in the K-1000 stick welding rod ovens?

Our angled welding rod storage shelving is purpose-built not to inhibit natural convection- a common occurrence with competing rod oven models that utilize flat shelving for storage.  The unique welded-in shelves allow the insertion of full 50 lb. tins of welding rods up to 18 inches which is a unique benefit for nuclear and aerospace welding codes that require immediate heated storage of opened tins before use. 

I would like a different shelving configuration.  Can Keen offer a different type of shelf system for Keen K-1000 welding rod ovens?

Yes. For Keen customized industrial ovens, fabrication and design of shelving is specific to the customer’s process and can consist of flat perforated, removable, vertically adjustable, cradled, stackable baskets, trays and much more.  Shelving in our line of welding consumable storage ovens is specific to the type of consumable being stored and storage capacity.   We can produce a variety of configurations to enhance efficiency of your heat processing application.

These are examples of customized versions of the K-1000:



For more information or to find a Keen distributor near you:
Call: (888) 512-2870 (USA only)
Email: Sales@keenovens.com


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sales@keenovens.com
888.512.2870 (USA only)