Alloys 800H / HT® Nickel Yeeb Nkab
Alloys 800H® thiab 800HT® yog hlau-nickel-chromium cov khoom siv ntxiv zog alloys nrog cov tshuaj nominal ntawm 42% hlau, 34% npib tsib xee, thiab 22% chromium. Ob qib no yog qhov hloov pauv ntawm qib 800 thiab raug xa mus los ntawm cov npe lag luam Incoloy® 800H thiab Incoloy® 800HT thiab cov npe thoob ntiaj teb UNS N08810 thiab N08811, feem. 800H® thiab 800HT® qhia qhov kub-kub oxidation thiab carburization tsis kam ntawm Alloy 800 tab sis muaj kev txhim kho creep thiab kev ntxhov siab rupture zog.
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Hauj lwm lawm
Alloys 800H® thiab 800HT® yog hlau-nickel-chromium cov khoom siv ntxiv zog alloys nrog cov tshuaj nominal ntawm 42% hlau, 34% npib tsib xee, thiab 22% chromium. Ob qib no yog qhov hloov pauv ntawm qib 800 thiab raug xa mus los ntawm cov npe lag luam Incoloy® 800H thiab Incoloy® 800HT thiab cov npe thoob ntiaj teb UNS N08810 thiab N08811, feem. 800H® thiab 800HT® qhia qhov kub-kub oxidation thiab carburization tsis kam ntawm Alloy 800 tab sis muaj kev txhim kho creep thiab kev ntxhov siab rupture zog.
CHEMICAL COMPOSITION
Lub hauv paus muaj pes tsawg leeg ntawm 800H/HT® zoo ib yam rau niam txiv Alloy 800. Txawm li cas los xij, nyob rau hauv ob qho tib si 800H® thiab 800HT®, cov qib carbon, aluminium, thiab titanium raug hloov kho kom txhim kho creep tsis kam. Lub hauv paus 800 qib muaj cov pa roj carbon ntau ntawm 0 - 0.10%, thaum 800H® nce qib carbon tsawg kawg nkaus rau 0.05%. Ib yam li ntawd, lub hauv paus 800 qib muaj qhov sib xyaw ua ke ntawm txhuas thiab titanium cov ntsiab lus ntawm 0.
CORROSION RESISTANCE
Ob qib sib qhia cov yam ntxwv tiv thaiv corrosion ntawm lub hauv paus qib Alloy 800, suav nrog kev ua haujlwm zoo corrosion, nrog rau kev ua haujlwm zoo rau txo thiab oxidizing acids, organic acids, seawater, ntsev, thiab tshwj xeeb tshaj yog zoo heev tiv thaiv nitric acid. Alloy 800H® thiab 800HT® kuj pom zoo heev corrosion kuj rau chloride stress corrosion cracking (SCC). Txawm li cas los xij, alloys 800H® thiab 800HT® tsis pom zoo rau kev pabcuam sulfuric acid. Tsis tas li ntawd, lawv muaj kev cuam tshuam rau chromium carbide nag lossis daus raws cov ciam teb thaum raug kub hnyiab ntawm 1000 degree F - 1400 degree F (538 degree - 760 degree ).
Kev kho cua sov
Alloys 800H® thiab 800 HT tsis tuaj yeem muaj zog los ntawm kev kho cua sov. Lawv feem ntau yog cov tshuaj annealed ntawm 2050 degree F - 2150 degree F (1121 degree - 1177 degree ) tom qab txias txias. Kev ntxhov siab ntawm 1000 degree F - 1600 degree F (538 degree - 870 degree ) kuj tseem tuaj yeem ua tom qab ua haujlwm txias kom txo qis kev ntxhov siab thiab tiv thaiv kev cuam tshuam.
| TSEEM CEEB | STANDARDS |
|---|---|
| STANDARD SPECIFICATIONS NTAWM SEAMLESS NICKEL THIAB NICKEL Alloy CONDENSER THIAB HEAT-EXCHANGER Tubes | ASTM B 163 |
| STANDARD SPECIFICATIONS NTAWM NICKEL-IRON-CHROMIUM Alloy Seamless yeeb nkab thiab raj | ASTM B 407, ASTM B 407 |
| STANDARD SPECIFICATION FOR WELDED NICKEL-IRON-CHROMIUM Alloy Yeeb Nkab | ASTM B 514 (Tshooj 514) |
| STANDARD SPECIFICATION FOR WELDED UNS N08120, UNS N08800, UNS N08810, THIAB UNS N08811 Alloy Tubes | ASTM B 515 1 |
Mechanical Properties - Incoloy 800 / 800H / 800Ht Tubing & Yeeb Nkab
Tensile zog: Chav tsev – ksi (MPa), Yam tsawg kawg nkaus
Yeild zog: 0.2% Offset, Chav tsev – ksi (MPa), Yam tsawg kawg nkaus
Elongation: nyob rau hauv 2 ", Unit : % , Yam tsawg kawg nkaus raws li ASTM B 163
| TXOJ CAI & QIB | TENSILE HEEV | YEILD HEEV | ELOGNATION |
|---|---|---|---|
| TXOJ CAI TSHIAB 800 | 75(517) | 30 (207) | 30 |
| ANNEALED INCOLOY 800H | 65 (448) | 25 (172) | 30 |
| ANNEALED INCOLOY 800HT | 65 (448) | 25 (172) | 30 |
Cim npe nrov: Alloys 800h/ht® nickel yeeb nkab, Tuam Tshoj alloys 800h/ht® nickel yeeb nkab manufacturers, hoobkas
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