ASTM B366 N08810 N08820 Equal Tee Incoloy 800H/800HT Tee, High Temp Corrosion

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Product Name	Equal Tee
Payment Terms	T/T, L/C AT SIGHT
Delivery Time	Depends on quantity
Packaging Details	PLY-WOODEN CASE OR PALLET
Certificates	ISO TUV BV SGS, etc.
Dimension Standard	ASME/ ANSI B16.9
Supply Ability	10000 pcs per month
O.D.	AS PER CLIENT'S REQUEST
Standard	ASTM B366 / ASME SB366
W.T.	Schedule 10s to Schedule XXS
Type	Seamless
Application	oil gas chemical,Marine environments,etc.
Model Number	ASTM B366 NO8810&N08820
Certification	API, PED , ABS, DNV, BV, LR
Brand Name	YUHONG
Place of Origin	CHINA

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Product Name	Equal Tee	Payment Terms	T/T, L/C AT SIGHT
Delivery Time	Depends on quantity	Packaging Details	PLY-WOODEN CASE OR PALLET
Certificates	ISO TUV BV SGS, etc.	Dimension Standard	ASME/ ANSI B16.9
Supply Ability	10000 pcs per month	O.D.	AS PER CLIENT'S REQUEST
Standard	ASTM B366 / ASME SB366	W.T.	Schedule 10s to Schedule XXS
Type	Seamless	Application	oil gas chemical,Marine environments,etc.
Model Number	ASTM B366 NO8810&N08820	Certification	API, PED , ABS, DNV, BV, LR
Brand Name	YUHONG	Place of Origin	CHINA
High Light	ASTM B366 Incoloy 800H equal tee ，high temperature corrosion resistant tee ，N08810 N08820 piping system tee

ASTM B366 N08810 N08820 Equal Tee Incoloy 800H/800HT Tee, High Temp Corrosion Resistant For Piping System

ASTM B366 N08810 & N08820 equal diameter tees are special alloy pipe fittings designed to withstand extremely harsh high-temperature, high-pressure, and corrosive conditions, fundamentally solving the connection problems of core piping systems in the petrochemical, energy, and high-end manufacturing industries.

800H (N08810) - High-Temperature Reinforced Version: By specially increasing the carbon content (0.05%-0.10%) and combining it with high-temperature solution treatment, coarse austenitic grains are obtained, resulting in excellent creep resistance and end-of-life fracture strength at high temperatures. Due to its high chromium and high nickel content, it exhibits excellent resistance to stress corrosion cracking in corrosive media such as chlorides and high-temperature, high-pressure water.

800HT (N08820) - Enhanced High-Temperature Performance: Based on 800H, by more strictly controlling the content of carbon, aluminum, and titanium, its creep rupture strength at high temperatures is higher than that of 800H, while maintaining good strength and excellent resistance to oxidation and carburization.

Chemical Composition
Element	N08810 (Incoloy 800H)	N08820 (Incoloy 800HT)
Nickel (Ni)	30.0 – 35.0	30.0 – 35.0
Chromium (Cr)	19.0 – 23.0	19.0 – 23.0
Iron (Fe)	≥ 39.5 (Balance)	≥ 39.5 (Balance)
Carbon (C)	0.05 – 0.10	0.06 – 0.10
Manganese (Mn)	≤ 1.50	≤ 1.50
Silicon (Si)	≤ 1.00	≤ 1.00
Sulfur (S)	≤ 0.015	≤ 0.015
Copper (Cu)	≤ 0.75	≤ 0.75
Aluminum (Al)	0.15 – 0.60	0.25 – 0.60
Titanium (Ti)	0.15 – 0.60	0.25 – 0.60
Cobalt (Co)	—	≤ 2.00

Mechanical Properties
Property	N08810 (Incoloy 800H)	N08820 (Incoloy 800HT)
Tensile Strength (min.)	≥ 520 MPa (75 ksi)	≥ 520 – 870 MPa
Yield Strength – 0.2% offset (min.)	≥ 205 MPa (30 ksi)	≥ 205 – 345 MPa
Elongation (min.)	≥ 30%	≥ 30%
Hardness	≤ 200 HB (typical)	≤ 200 HB (typical)

Applications

Ethylene cracking furnace tubes;
Bellows and flare heads in oil refineries;
Intermediate heat exchangers in fourth-generation reactors;
Heat transfer tubes in high-temperature gas-cooled reactor steam generators;
Superheaters and reheaters in ultra-/ultra-supercritical boilers for thermal and solar thermal power generation.

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Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...

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