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Welding seam insulation
Immediately after welding, when the weld seam is still at a high temperature , cover and wrap the weld area with insulation material to allow it to cool slowly
Heating method
Use appropriate heating methods to uniformly heat the area containing the weld seam and a sufficiently wide heat affected zone to the hydrogen removal temperature
Constant temperature
After reaching the specified hydrogen removal temperature, it is necessary to maintain it at that temperature for a sufficient amount of time
Natural cooling
After the insulation is completed, the workpiece should be allowed to cool naturally in still air
Matching Products
Ceramic Heating Pad
The ceramic heater is applicable to various metal components, welding preheating of high-pressure pipelines, and post-welding stress relief
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Temperature control machine
Temperature control machine is matched with ceramic electric heater, provide power and control its working state to achieve the purpose of temperature control.
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Temperature Recorder
A dot printing type analog recorder, records clearly temperature
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Thermocouple Spot-welder
An energy storage welding machine with lithium battery, which can be used after charging. Mainly used for spot welding simple thermocouple on workpiece
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Application Industry
Power Plant
Optimize the organization and performance through heat treatment, so that it can withstand high temperature and high pressure for a long time, prevent creep and brittle fracture, and ensure the safe and economic operation of the power station.
Oil Refinery
Concentrate on reactors, pressure pipelines, etc. The key objective is to eliminate stress, prevent equipment from undergoing stress corrosion cracking in corrosive media such as sulfur and acid, and ensure safety in corrosive environments.
Metallurgical Plant
For heavy equipment such as blast furnaces and rolling mills. The key is to eliminate welding stress on thick and large components, improve joint toughness to withstand huge mechanical loads and impacts, and prevent structural instability.
Machinery Plant
Used for machine tool beds, structural components, etc. The primary goal is stress relief annealing to control welding deformation, ensure dimensional accuracy and stability after machining, and meet assembly requirements.
Ship Plant
The core is the large closure seam and thick plate joint of the hull. Greatly eliminate internal stress through overall or local heat treatment, strictly control the total deformation of the ship, and ensure the safety of the line shape and structure.
Chemical Plant
It concerns sealing equipment such as reaction vessels and pipelines. The key is to eliminate stress through heat treatment, eliminate the risk of stress corrosion cracking, and ensure absolute sealing and integrity in harsh media.
Focused on welding heat treatment equipment
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