304H High Temperature Boiler Castings
GNYO0212
GPIZ9602
HKFB3217

304H High Mocheso Boiler Castings

E entsoe ka-carbon ZG08Cr19Ni10 (CF8C) austenitic stainless steel ea hodimo, 304H ya rona e etseditswe dikarolo tsa boiler tse phahameng haholo/-supercritical tse nang le tshebeletso e tswelang pele ho fihla ho 700 degrees .

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Selelekela sa Sehlahisoa

304H High-Boiler bo Khethehileng ba Mocheso{2}Litšoantšiso tsa Sebopeho

Tlhaloso ea Sehlahisoa

Likarolo tsa Bohlokoa

✔ Ts'ebetso e Phahameng- ea Mocheso

Sekhahla sa oxidation Ka tlase ho kapa ho lekana le 2g/m²·h @700 degree

Matla a mocheso a phahameng Ho feta kapa ho lekana le 100MPa

Matla a ho phunyeha ha serope A maholo ho feta kapa a lekana le 60MPa @650℃/100kh

✔ Ntlafatso ea Lintho tse bonahalang

C content 0.04-0.10% (ho matlafatsa carbide)

Boholo ba lijo-thollo 5-7 (ASTM E112)

Nb/Ti microalloying

Letoto la Lihlahisoa

✓ Likopano tsa li-hanger tsa Superheater
✓ Likotoana tsa phetoho ea futhumatsang
✓ Lits'oants'o tsa nozzle ea mollo
✓ Mehaho e rarahaneng ea karohano ea mouoane
✓ Mehele/masakaneng a koalang metsi

Lintlha tsa Tekheniki

Paramethara	Boleng	Standard
Tensile	E kholo ho feta kapa e lekana le 515MPa	ASTM A351
Hlahisa @700 degree	E kholo ho feta kapa e lekana le 110MPa	GB/T 2039
Elongation	E kholo ho feta kapa e lekana le 35%	ASTM A370
Ho thatafala	HB Ka tlase ho kapa e lekana le 200	ASTM E10

Mekhoa e Khethehileng

▸ Ho etsa lintho

Ho etsa matsete (CT6 tolerance)

Directional solidification

▸ Kalafo ea Mocheso

Ho kopanya tharollo (1100℃±10℃WQ)

Ho tsitsisa (900℃×4h)

Taolo ea Boleng

Liteko tsa Lintho:
✓ Tlhahlobo ea OES (taolo e nepahetseng ea C)
✓ Metallography (σ-mohato o ka tlase ho kapa o lekana le 0.5%)

Liteko tsa Sehlahisoa:
✓ Scanning ea 3D (Ka tlase kapa e lekanang le 0.5mm vs CAD)
✓ PT (ASTM E165 L1)

Setifikeiti
✓ Setempe sa ASME Karolo ea I
✓ EN 10204 3.1 Setifikeiti
✓ Litlaleho tsa liteko tsa HT tsa batho ba boraro-

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Kereiti ea lintho tse bonahalang	Int'l Standards	Max Temp.	Melemo ea Bohlokoa
ZG40Cr25Ni20Si2	ASTM HK40 / EN 1.4848	1100 degree	Khetho e phahameng ka ho fetisisa bakeng sa li-tubes tsa ethylene
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ZG08Cr19Ni11 (304 equiv.)	ASTM CF-8 / EN 1.4308	400 degree	Theko{{0}e sebetsang hantle bakeng sa mocheso o itekanetseng