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Kontak Perusahaan
Nama:	Tn. DALHAS EDWARD ST
E-mail:	Kirim Pesan
Pesan Instan:
Nomor Ponsel:
Nomor Telpon:
Alamat:	CILEGON, Banten Indonesia
Rata-rata Tinjauan Pemakai	Tidak ada ulasan untuk perusahaan ini - Menulis tinjauan
Tanggal Bergabung:	25 Jun. 2024
Terakhir Diperbarui:	22 Nov. 2013
Sifat Dasar Usaha:	Jasa dari kategori Konstruksi & Real Estate
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Penjelasan Ringkas
PWHT ( Electrical Heat Treatment Service) On site pre-heating, hydrogen de-gassification and post weld heat treatment of pipework, welded fabrication and pressure vessels. Flexible electrical resistance heating elements are manufactured in a range of sizes to suit a wide range of applications and are connected to either low Voltage ( 65 Volt) or high Voltage ( 240 Volt) power sources. Temperature control is via pre-programmable microprocessor based modules and temperature measurement by pre calibrated temperature recorders. All temperature measuring equipment is calibrated in accordance with national standards. Preheating Preheating is the application of heat to the base metal prior to welding or cutting operations. It does not change the properties of the steel, but it is advisable under certain conditions to drive off moisture and helps to ensure even expansion to eliminate undesirable stresses. Concurrent heating during welding ( also referred to as preheating) retards the cooling thus preventing the formulation of an under bead crack. Stress Relieving ( Post Weld Heat Treatment) Stress Relieving is the heating of steel to a relatively high temperature and maintaining that temperature for a specific period of time. The purpose is to reduce internal stresses, caused by welding, quench hardening or by cold working. It also has an advantageous effect on the elasticity, ductility and strength of the metal. This process involves heating the steel to a temperature below the materialsâ € ™ transformation point
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