Astm B462 Uns N08020 So Flange Astm B462 Uns N08020 Wn Flange Astm B462 Uns N08020 Blind Flanges

about Alloy 20
ASTM A 265, B 366, B 463
B 464, B 471, B 472, B 473
B 474, B 475
UNS N08020
NACE MR0175
Other common names: Carpenter 20, 20Cb-3®, Incoloy® alloy 20
Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid. Thissuperalloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. It also contains niobium for stabilization against sensitization and resultant intergranular corrosion. Carpenter 20 combines excellent corrosion resistance with elevated mechanical properties and relatively easy fabrication. Although originally designed for use in sulfuric acid related industries, Alloy 20 is now a popular choice for a wide variety of industries including the chemical, food, pharmaceutical, and plastics industries. In addition, this superalloy is used in heat exchangers, mixing tanks, metal cleaning and pickling equipment, and piping.
There has long been a debate on whether Carpenter 20 is a stainless steel or a nickel alloy because the nickel content is right on the border of defining it as one way or the other. So, depending on who you talk to this alloy may be referred to as alloy 20 Stainless Steel or as a nickel alloy. Either way it is still great for corrosion resistance.
In what forms is Alloy 20 Available?
• Sheet
• Plate
• Bar
• Pipe & Tube (welded & seamless)
• Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
• WireWhat are the characteristics of Alloy 20?
• Excellent general corrosion resistance to sulfuric acid
• Excellent resistance to chloride stress corrosion cracking
• Excellent mechanical properties and fabricability
• Minimal carbide precipitation during welding
• Excels in resisting corrosion to hot sulfuric acids
Chemical Composition, % NiFeCrCuMoNb32.00-38.00Balance19.0-21.03.0-4.02.0-3.08xC-1.0max CMnPSSi.07max2.0max.045max.035max1.0max
In what applications is Alloy 20 used?
• Synthetic rubber manufacturing equipment
• Processing of pharmaceuticals, plastics and organic and heavy chemicals
• Tanks, piping, heat exchangers, pumps, valves, and other process equipment
• Acid cleaning and pickling equipment
• Chemical process piping, reactor vessels
• Bubble caps
• Petrochemical process equipment
• Food and dye production
ASTM Specifications Pipe SmlsPipe WeldedTube SmlsTube WeldedSheet/PlateBarForgingFittingB729B464B729B468B463B473B462B366
Mechanical Properties
Annealed Material FormTensile Min.Yield Min. (.2% offset)Elongation Min.Reduction of Area Min.Bar (hot or cold finished)80 ksi35 ksi30%50%Sheet/Plate80 ksi35 ksi30%-
*Incoloy® is a registered trademark of Special metals Corporation group of Companies.Our Services
1.One-Stop Service,One Single Source.
2.No MOQ.
3.Best quality,competitive price
4.Fast Reply.
5.On-Time Delivery
6.Professional sales and technical team .FAQ
Q:How does your factory do regarding quality control?
A:Quality is priority. we always attach great importance to quality controlling from the beginning to the end.Mill Test Certificate is supplied with shipment. If needed, a Third Party Inspection is acceptable.
Q:May I have some samples before bulk order?
A:Yes, of course. samples are free but you have to pay the courier.
Q:Can we visit your Company?
A:Surely. Welcome to China and we will be honored to have a customer and friend.
Q:What is the payment terms?
A:T/T, L/C ,Western Union,etc.
Q:What's your delivery time?
A:For stocks, we can send the goods to loading port within 7 days after receiving your deposit.
For production period, it usually needs about 10days- 60days after receiving the deposit.
Q:Is it OK to mark my logo on your products?
A:Yes. OEM and ODM are available for us.