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Heat Treatment for Metal

A STEEL is usually defined as an alloy of iron and carbon with the carbon content between a few hundreds of a percent up to about 2 wt%. Other alloying elements can amount in total to about 5 wt% in low-alloy steels and higher in more highly alloyed steels such as tool steels and stainless steels. Steels can exhibit a wide variety of properties depending on composition as well as the phases and microconstituents present, which in turn depend on the heat treatment.
STRESS-RELIEF HEAT TREATING is used to relieve stresses that remain locked in a structure as a consequence of a manufacturing sequence. This definition separates stress-relief heat treating from postweld heat treating in that the goal of postweld heat treating is to provide, in addition to the relief of residual stresses, some preferred metallurgical structure or properties. For example, most ferritic weldments are given postweld heat treatment to improve the fracture toughness of the heat-affected zones (HAZ).
NORMALIZING OF STEEL is a heat-treating process that is often considered from both thermal and microstructural standpoints. In the thermal sense, normalizing is an austenitizing heating cycle followed by cooling in still or slightly agitated air. Typically, the work is heated to a temperature about 55 °C (100 °F) above the upper critical line of the ironiron carbide phase diagram. Tobe properly classed as a normalizing treatment, the heating portion of the process must produce a homogeneous austenitic phase (face-centered cubic, or fcc, crystal structure) prior to cooling. 
ANNEALING is a generic term denoting a treatment that consists of heating to and holding at a suitable temperature followed by cooling at an appropriate rate, primarily for the softening of metallic materials 

Stress Relieving Heat Treatment

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Stress Relieving Heat Treatment
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Service Details:
EquipementAutomatic
FrequencyOne Time
Services IncludeSolution Annealing
ModeOffline
Service LocationAll over India
Techniques of Heat TreatingSelective Heat Treating

Stress Relieving Heat Treatment of metal parts / components to avoid failure during service. These machining induces stress in parts. The bigger and more complex the part, the more the stresses we get. These stresses can cause distortions in the part long term. If the parts are clamped in service, then cracking could occur. Also hole locations can change causing them to go out of tolerance. For these reasons, stress relieving is often necessary.
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Post Weld Heat Treatment (PWHT)

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Post Weld Heat Treatment (PWHT)
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Service Details:
Automation GradeAutomation
Current5A
Voltage230 V
Phase3 Phase
Types of Potential TreatmentStress Relieving
ModeOffline

Post Weld Heat Treatment (PWHT) is carried out to remove stress developed after welding.


Our Heat Treatment Services include:
  • Pre Heating
  • Post Weld Heat Treatment (PWHT)
  • Stress Relieving (SR)


Additional Information:

  • Item Code: PWHT
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    Heat Treatment

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    Heat Treatment
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    Service Details:
    Finished Product Delivery TypeSelf Pick Up
    Requirement FrequencyMonthly
    Number of PiecesGreater than 10 Pieces
    Service LocationIndia
    Service TypeHeat Treatment
    Frequency50 Hz

    We are highly acknowledged organization engaged in presenting a remarkable range of Heat Treatment.
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