High Strength Forged Bars INCOLOY Nickel Alloy 800/800H/800HT Marine and Pump Shafting

Incoloy 800 was the first of these alloys and it was slightly modified into Incoloy 800H. This modification was to control carbon (.05-.10%) and grain size to optimize stress rupture properties. Incoloy 800HT has further modifications to the combined titanium and aluminum levels (.85-1.20%) to ensure optimum high temperature properties.The nickel alloy is dual certified (800H/HT) and combines the properties of both forms. Incoloy 800H/HT alloy was intended for high temperature structural applications. The nickel content makes the alloys highly resistant to both chloride stress-corrosion cracking and to embrittlement from precipitation of sigma phase. The general corrosion resistance is excellent. In the solution annealed condition, alloys 800H and 800HT have superior creep and stress rupture properties.

Common Trade Names:
Incoloy 800 / UNS N08800 / Nickel Alloy 800 / Inconel 800 / W.Nr 1.4876

Incoloy 800H / UNS N08810 / Nickel Alloy 800H / Inconel 800H / W.Nr 1.4958

Incoloy 800HT / UNS N08811 / Nickel Incoloy 800HT /Inconel 800HT / W.Nr 1.4959

Specifications:
ASTM: B 407, B 408, B 409 ,ASME: SB 407 CODE CASE 1325, SB 408, SB 409

Incoloy 800/800H/800HT Characteristic:

• Excellent corrosion resistance in the water media of the extremely high temperature of 500C.
• Good stress corrosion resistance
• Good machining
• High creep strength
• Very good resistance to oxidation
• Good resistance to combustion gases
• Very good resistance to carburization
• Good resistance to nitrogen absorption
• Good structural stability at high temperatures
• Good weldability

Incoloy 800/800H/800HT Mechanical property
The main difference between alloys 800, 800H and 800HT is mechanical properties. The difference is due to the limited composition of the 800H and 800HT alloys and the high temperature annealing used for these alloys. In general, 800 alloys exhibit higher mechanical properties at room temperature and short exposure to high temperatures, while 800H and 800HT alloys exhibit excellent creep and fracture strength during prolonged exposure to high temperatures.

Incoloy 800/800H/800HT Corrosion resistance
Alloys 800, 800H, and 800HT have the same nickel, chromium, and iron content and generally exhibit similar corrosion resistance. Because 800H and 800HT alloys are used for their high temperature strength, the corrosive environment in which these alloys are placed usually involves high temperature reactions, such as oxidation and carburizing.

Chemical Composition(%):

Application Area:

Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.

We have complete advanced technology facilities to produce best quality alloys to meet exacting your specifications such as VIM (Vacuum lnduction Melting) furnace to provide high purity Alloys,ESR (Electro Slag Re-melting) furnace to enhances the structure and purity of the Alloys, and CNC machining equipments (Lathe, Wire cutting, Drilling,Milling) to provide high precision finished products.

We are dedicated to providing our customers with best quality products,fastest possible deliveries, most competitive prices of Nickel Based Corrosion Resistant and High Temperature alloys in bars,rods,forged flanges, valve parts, forged shapes (shafts, discs, blocks, hubs,rings, cylinders and tailor shapes) according to ASTM,ASME,API,AMS, NACE and other industry standards.

We can help you gain a competitive edge in the market by responding to a rush quote in less than 24 hours and even complex requests for price and delivery quotations are responded to within 48 hours.