China Nickel Alloy Pipe manufacturer

TOBO ALLOY GROUP

TOBO Alloy Group is a mature, steady and energetic high-tech company, specializing in manufacture of high-temperature alloys and corrosion resistant alloys, such as Hastelloy, Haynes, Monel, Inconel, Incoloy and nickel.

News

August 5, 2021

High Precision Alloy Steel NipoFlanges Nickel Alloy UNS N06690 For Construction

Forged Flange Nickel Alloy Weldoflange UNS N06690 Construction

GENERAL CHARACTERISTICS OF Alloy 690

 

Alloy 690 is a high-chromium-nickel alloy with excellent resistance to many corrosive aqueous media and high-temperature atmospheres. It has high strength and good fabrication characteristics. The high chromium content imparts a resistance to oxidizing chemicals and high-temperature oxidizing gases. The high nickel gives resistance to stress corrosion cracking in chloride-containing environments and to sodium hydroxide solutions.

 

Production Name Nickel Alloy Weldoflange
Standard ASME/ANSI B16.9, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC.
Size 1/2’’~48’’(Seamless);16’’~72’’(Welded)
Wall thickness Sch5~Sch160XXS
Manufacturing process Push, Press, Forge, Cast, etc.
Nickel alloy steel Alloy 200/Nickel 200/NO2200/2.4066/ASTM B366 WPN;
Alloy 201/Nickel 201/NO2201/2.4068/ASTM B366 WPNL;
Alloy 400/Monel 400/NO4400/NS111/2.4360/ASTM B366 WPNC;
Alloy K-500/Monel K-500/NO5500/2.475;
Alloy 600/Inconel 600/NO6600/NS333/2.4816;
Alloy 601/Inconel 601/NO6001/2.4851;
Alloy 625/Inconel 625/NO6625/NS336/2.4856;
Alloy 718/Inconel 718/NO7718/GH169/GH4169/2.4668;
Alloy 800/Incoloy 800/NO8800/1.4876;
Alloy 800H/Incoloy 800H/NO8810/1.4958;
Alloy 800HT/Incoloy 800HT/NO8811/1.4959;
Alloy 825/Incoloy 825/NO8825/2.4858/NS142;
Alloy 925/Incoloy 925/NO9925;
Hastelloy C/Alloy C/NO6003/2.4869/NS333;
Alloy C-276/Hastelloy C-276/N10276/2.4819;
Alloy C-4/Hastelloy C-4/NO6455/NS335/2.4610;
Alloy C-22/Hastelloy C-22/NO6022/2.4602;
Alloy C-2000/Hastelloy C-2000/NO6200/2.4675;
Alloy B/Hastelloy B/NS321/N10001;
Alloy B-2/Hastelloy B-2/N10665/NS322/2.4617;
Alloy B-3/Hastelloy B-3/N10675/2.4600;
Alloy X/Hastelloy X/NO6002/2.4665;
Alloy G-30/Hastelloy G-30/NO6030/2.4603;
Alloy X-750/Inconel X-750/NO7750/GH145/2.4669;
Alloy 20/Carpenter 20Cb3/NO8020/NS312/2.4660;
Alloy 31/NO8031/1.4562;
Alloy 901/NO9901/1.4898;
Incoloy 25-6Mo/NO8926/1.4529/Incoloy 926/Alloy 926;
Inconel 783/UNS R30783;
NAS 254NM/NO8367; Monel 30C
Nimonic 80A/Nickel Alloy 80a/UNS N07080/NA20/2.4631/2.4952
Nimonic 263/NO7263
Nimonic 90/UNS NO7090;
Incoloy 907/GH907; Nitronic 60/Alloy 218/UNS S21800
Package Wooden cases, pallets, nylon bags or according to the customers' requirements
Delivery time 10-100 days depending on quantity
Payment terms T/T or Western Union or LC
Shipment FOB Tianjin/Shanghai, CFR, CIF, etc
Application Petroleum/Power/Chemical/Construction/Gas/Metallurgy/Shipbuilding etc
Remarks Other materials and drawings are available.
The third party inspection: BV,SGS,LOIYD,TUV,and other party alloyed by clients.

 

Chemical Properties

 

CHEMICAL ANALYSIS
C Carbon 0.05 max
Mn Manganese 0.50 max
S Sulfur 0.015 max
Fe Iron 0.50 max
Si Silicon 0.50 max
Ni(+Co) Nickel Colbalt 0.80 – 1.10
Cr Chromium 27.0/31.0
Cu Copper 27.0/31.0

 

Application

 

The alloy finds applications involving processing of nitric acid and nitric/hydrofluoric acid solutions. As such it is used in tail-gas reheaters in nitric acid production and in heating coils and tanks for nitric/hydrofluoric acid solutions used to pickle stainless steels, and for the reprocessing of nuclear fuels.
The alloy’s resistance to sulfur-containing gases makes it suitable for use in coal gasification units, burners and ducts for processing sulfuric acid.
The alloy is further used for steam generator tubes, baffles and tube sheets as well as for hardware in nuclear power generation.

 

WELDABILITY

 

The alloy shows excellent weldability, and may be joined to other dissimilar metals and alloys using the appropriate filler metals. For extreme corrosive conditions, advice should be taken regarding the appropriate filler metal to be used.

 

Our advangtage

 

1) Raw material use 100% material steel

2) Good service

3) Competive price

4) Fast delivery

5)High quality products

 

Packaging & Shipping

 

Packaging: In wooded cases , pallets or according to clients' requirements
Shipping: Tianjin port, Shanghai port and the other main ports in China

 

 

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