Phapang pakeng tsa 347 le 347H tšepe e sa hloekang.

347 ke tšepe e sa jeleng ea austenitic e nang le niobium, ha 347H e le mofuta oa eona oa khabone e phahameng. Mabapi le sebopeho,347e ka bonoa e le motsoako o tsoang ho eketsa niobium ho ea botlaaseng ba tšepe e sa hloekang ea 304. Niobium ke ntho e sa tloaelehang ea lefats'e e sebetsang ka mokhoa o ts'oanang le titanium. Ha e eketsoa ho alloy, e ka ntlafatsa sebopeho sa lijo-thollo, e hanela ho bola ha intergranular, le ho khothalletsa ho thatafala ha lilemo.

Ⅰ.E tsamaellanang le maemo a naha

China GBIT 20878-2007 06Cr18Ni11Nb 07Cr18Ni11Nb(1Cr19Ni11Nb)
US ASTM A240-15a S34700,347 S34709,347H
JIS J1S G 4304:2005 SUS 347 -
DIN EN 10088-1-2005 X6CrNiNb18-10 1.4550 X7CrNiNb18-10 1.4912

Ⅱ. TLHALOSO EA CHEMICAL EA S34700 Stainless steel bar

Kereiti C Mn Si S P Fe Ni Cr
347 0.08 max 2.00 max 1.0 max 0.030 max 0.045 boholo 62.74 mets 9-12 max 17.00-19.00
347H 0.04 - 0.10 2.0 boholo 1.0 max 0.030 boholo 0.045 boholo 63.72 mets 9-12 max 17.00 - 19.00

Ⅲ.347 347H Thepa ea tšepe e sa hloekang Thepa ea Mechini

Botenya Melting Point Tensile Strength (MPa) min Matla a Kotulo 0.2% Bopaki (MPa) min Elongation (% in 50mm) min
8.0 g/cm3 1454 °C (2650 °F) Psi - 75000 , MPa - 515
Psi - 30000 , MPa - 205
40

Ⅳ.Thepa ea lintho tse bonahalang

①Ho hanyetsa kutu e ntle haholo ha ho bapisoa le tšepe e sa hloekang ea 304.
② Pakeng tsa 427 ~ 816 ℃, e ka thibela ho thehoa ha chromium carbide, e hanela maikutlo, 'me e na le khanyetso e ntle ea ho bola ha intergranular.
③ E ntse e na le khanyetso e itseng ea creep sebakeng se matla sa oxidizing se nang le mocheso o phahameng oa 816 ℃.
④Ho bonolo ho atolosoa le ho theha, ho bonolo ho tjheseletsa.
⑤Bothata bo botle ba mocheso o tlase.

Ⅴ.Linako tsa likopo

Ts'ebetso e phahameng ea mocheso oa347&347Htšepe e sa hloekang e molemo ho feta ea 304 le 321. E sebelisoa haholo ho lifofane, petrochemical, lijo, pampiri le liindasteri tse ling, tse kang liphaephe tse kholo tsa ho ntša metsi le liphaephe tsa makala tsa enjene ea lifofane, liphaephe tse chesang tsa khase ea li-turbine compressors, le ka meroalo e menyenyane. le mocheso o sa feteng 850°C. Likarolo tse sebetsang tlas'a maemo, joalo-joalo.

https://www.sakysteel.com/347-347h-stainless-steel-bar.html
https://www.sakysteel.com/347-347h-stainless-steel-bar.html

Nako ea poso: May-11-2024