Kajian Kerusakan Material Superheater Tube 2" Dengan Pendekatan Standard ASTM  

Oleh:

Koos Sardjono Kuntadi P.

Jenis: Article from Journal - ilmiah nasional
Dalam koleksi: Jurnal Standardisasi: Majalah Ilmiah Standardisasi vol. 8 no. 2 (Jul. 2006), page 74-79.
Topik: pipe networks; pipe; extension las; material damage; perlit and ferrite; karbida particle; speroidisasi; stream turbulensi; local hot

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: SS48.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Equipments used in industry process and migas is generally designed from aloy of steel which hold up to high temperature and attack corrosion. Based on that, it's require to be conducted an material operation and election, like a component boiler that is secondary superheat is generally weared by pipe from alloy of steel material Cr - Mo or steel with austenitik type. To know the damage of secondary superheat tube 2" material, can be conduscted by a chemical composition analysis, test inspection metalografi and hardness. The damage of material secondary superheater tube 2" at the extension las elbow in the form of rip on second potition (ASTM SA-192) representing a militant low strength carbon material pipe, while on the first potition which there are not pipe material damage representing a militant high strength carbon (ASTM SA - 106 grade C) which a different thich each other. Attenuating showed the thick degradation which possible because of local stream turbulensi warm up existence and which is high enough, this matter is shown with existence transformasi perlit become to the karbida particles which speroidisasi crust existence and rip area on the surface of the pipe.

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