Services Full Heat Treatment, typically applied to complete large size objects such as pressure vessels or boilers :

• External heating by placing the entire object in a fixed or temporary furnace.
• Internal heating by insulated on the outside of the entire object and then heating by internally.

Services Localized Heat Treatment (external heating) is suitable for slender objects that only need to be heated in local area instead of the entire object, typically applied around the welding area only on the small size object such as weld joint of pipe