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ASME B16.48 Alloy 20 Forged Spectacle Blind Spacer Ring Paddle Blind

Categories Nickel Alloy Flanges
Brand Name: HT
Model Number: ASME B16.48 Alloy 20 Forged Spectacle Blind Spacer Ring Paddle Blind
Certification: ISO9001
Place of Origin: China
MOQ: 1 pcs
Price: Negotiation
Payment Terms: L/C,T/T,, Western Union
Supply Ability: 1000 pcs per month
Delivery Time: 30-35 working days
Packaging Details: wooden case, wooden pallet
Product Type: Flange, Disc, Foring, Shaft Sleeves
Name: ASME B16.48 Alloy 20 Forged Spectacle Blind Spacer Ring Paddle Blind
Size: 1/2"-60"
Class: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Surface: oil rusted, yellow
Material: Nickel alloy/stainless steel/duplex stainless
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ASME B16.48 Alloy 20 Forged Spectacle Blind Spacer Ring Paddle Blind

ASME B16.48 Alloy 20 Forged Spectacle Blind Spacer Ring Paddle Blind


1. Alloy 20 spectacle blind spacer material introduction


Alloy 20 (UNS N08020) is an austenitic, nickel-iron-chromium based super alloy with additions of Copper and Molybdenum which provide resistance to hostile environments, pitting, and crevice corrosion. It is also stabilized with Columbium to minimize carbide precipitation during welding. Alloy 20 appears to fall between both the stainless and nickel categories as it contains characteristics of both. It was designed for maximum resistance to acid attack and demonstrates superior resistance to stress-corrosion cracking in boiling 20% to 40% sulfuric acid, and also has excellent general corrosion resistance to sulfuric acid and to chloride stress corrosion cracking. Alloy 20 has good mechanical properties at both ambient and elevated temperatures, up to approximately 930°F (500°C) and is readily fabricated by usual industrial processes.


Alloy Chemical Component %

2. Alloy 20 Spectacle Blind Spacer Ring Paddle Blind material &producing standard


ASTM / ASME / MSS SP / API norms:
ASTM A182Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
ASTM B462Specification for Forged or Rolled UNS N06030,N06022,N06035,N06200,N06059,N06686,N08020,N08024,N08026,N08367,N10276,N10665, N10675,N10629, N08031,N06045, N06025, & R20033,Alloy Pipe Flanges, Forged Fitting, &
ASTM B564Standard Specification for Nickel Alloy Forgings
ASME B16.48Steel line blanks
MSS SP 44Steel pipeline flanges
MSS SP 25Standard marking Marking System for valves, fittings, flanges and unions
API 590Steel Line Blanks
NACE MR0175Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment
NACE MR0103:Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining E

3. In what forms is Alloy 20 Available at HT pipe?

· Sheet

· Plate

· Bar

· Pipe & Tube (welded & seamless)

· Fittingsflanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples

· Welding Wire (AWS Classifications: ER320LR and E320LR-16)


4. Alloy 20 Forged Spectacle Blind Spacer Ring Paddle Blind photo



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