2021 High quality Nickel Cobalt Alloy - Incoloy800/ 800H/800HT manufacture – Sekonic

Product Detail

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2021 High quality Nickel Cobalt Alloy - Incoloy800/ 800H/800HT manufacture – Sekonic Detail:

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 No8811) Nickel Incoloy 800HT , W.Nr 1.4959

Incoloy Alloy 800 is a widely used structural material for equipment that must have high strength and resist oxidation, carburizing and other harmful effects of high temperature exposure (for high temperature applications requiring optimal creep and fracture properties, use Incoloy Alloy 800H and 800HT).

The major differences between alloys 800, 800H and 800HT are mechanical properties. The differences stem from the restricted compositions of alloys 800H and 800HT and the high-temperature anneals used for these alloys. In general, alloy 800 has higher mechanical properties at room temperature and during short-time exposure to elevated temperatures, whereas alloys 800H and 800HT have superior creep and rupture strength during extended high temperature exposure.
Incoloy 800/800H/800HT Chemical Composition

Alloy	%	Ni	Cr	Fe	C	Mn	Si	Cu	S	Al	Ti	Al+Ti
Incoloy 800	Min.	30	19	balance	-	-	-	-	-	0.15	0.15	0.3
Incoloy 800	Max.	35	23	balance	0.10	1.5	1	0.75	0.015	0.60	0.60	1.2
Incoloy 800H	Min.	30	19	balance	0.05	-	-	-	-	0.15	0.15	0.3
Incoloy 800H	Max.	35	23	balance	0.10	1.5	1	0.75	0.015	0.60	0.60	1.2
Incoloy 800HT	Min.	30	19	balance	0.06	-	-	-	-	0.25	0.25	0.85
Incoloy 800HT	Max.	35	23	balance	0.10	1.5	1	0.75	0.015	0.60	0.60	1.2

Incoloy 800/800H/800HT Physical Properties

Density (g/cm³)	Melting point (℃ )	Elastic modulus ( GPa)	Thermal conductivity (λ/(W(m•℃))	Thermal expansion coefficient ( 24 -100°C)(m/m °C)	Operating temperature (°C )
7.94	1357-1385	196	1.28	14.2	-200 ~ +1,100

Incoloy 800/800H/800HT Mechanical Properties

Alloy	Form	Condition	Ultimate Tensile strength ksi (MPa)	Yield strengthat 0.2% offset ksi (MPa)	Elongation in 2″or 4D, percent
800	Sheet, Plate	Annealed	85 (586)	40 (276)	43
800	Sheet, Plate Strip, Bar	Annealed	75 (520)*	30 (205)*	30*
800H	Sheet, Plate	SHT	80 (552)	35 (241)	47
800H	Sheet, Plate Strip, Bar	SHT	65 (450)*	25 (170)*	30*

Incoloy 800/800H /800HT Standards and Specifications

Bar/Rod

Wire

Strip/Coil

Sheet/Plate

Pipe/Tube

Fitting

ASTM B 408 & SB 408
ASTM B 564 & SB 564
ASME Code Case 1325

ISO 9723, 9724, 9725, VdTÜV 412 & 434, DIN 17460
EN 10095

ASTM B408, AMS 5766, ISO 9723, ISO 9724, BS 3076NA15, BS 3075NA15, EN 10095, VdTüV 412 & 434, AWS A5.11 ENiCrFe-2, AWS A5.14 ERNiCr-3

ASTM B 409/B 906, ASME SB 409/SB 906, ASME Code Case 1325, 2339
BS 3072NA15
BS 3073NA15
SEW 470, VdTÜV 412 & 434, DIN 17460, EN 10028-7 & EN 10095

ASTM B409, AMS 5877, BS 3072NA15, BS 3073NA15, VdTüV 412 & 434, DIN 17460, EN 10028-7, EN 10095

ASTM B 163/ SB 163
ASTM B 407/B 829, ASME SB 407/SB 829, ASTM B 514/B 775, ASME SB 514/SB 775, ASTM B 515/B 751, ASME SB 515/SB 751, 1325 and 1983, BS 3074NA15

ASTM B366

Incoloy 800/800H/800HT Available Products in Sekonic Metals

Inconel 718 bar,inconel 625 bar

Incoloy 800/800H/800HT Bars & Rods

Round bars/Flat bars/Hex bars, Size From 8.0mm-320mm, Used for bolts,fastners and other spare parts

welding wire and spring wire

Incoloy 800/800H/800HT Wire

Supply in welding wire and spring wire in coil form and cut length.

Incoloy 800/800H/800HT Flange

Standards size and customized dimension can be produced by us with precision tolerance

Sheet & Plate

Incoloy800/800H/800HT sheet & plate

Widths up to 1500mm and lengths up to 6000mm,Thickness from 0.1mm to 100mm.

Incoloy 800/800H/800HT seamless tube & Welded pipe

Standards size and customized dimension can be produced by us with small tolerance

inconel strip,invar stirp,kovar stirp

Incoloy 800/800H/800HT strip & coil

Soft condition and hard condition with AB bright surface, width up to 1000mm

Fasterner & Other Fitting

Incoloy 800/800H/800HT Fasteners

Alloy materials in forms of Bolts,screws,flanges and other fasterners, according to clients specification.

Why Incoloy 800/800H/800HT ?

• Excellent corrosion resistance in the water media of the extremely high temperature of 500℃.
• 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 Application field：

• Ethylene furnace quench boilers • Hydrocarbon cracking

• Valves, fittings and other components exposed to corrosive attack from 1100-1800° F

• Industrial furnaces • Heat-treating equipment

• Chemical and petrochemical processing • Heat exchangers

• Super-heater and re-heaters in power plants • Pressure vessels

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Why Cobalt based Alloys

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