Alloy 20 (UNS N08020) Forged Threaded Tee
The Alloy 20 (UNS N08020) Forged Threaded Tee, often referred to as Carpenter 20, is a niobium-stabilized austenitic nickel-iron-chromium alloy. It was originally engineered specifically to withstand the extremely corrosive nature of hot sulfuric acid. Its elevated nickel, chromium, molybdenum, and copper content provides exceptional resistance to general corrosion, pitting, and crevice corrosion in chemical environments containing chlorides, phosphoric acids, and nitric acids.
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- Commodity name: Alloy 20 (UNS N08020) Forged Threaded Tee
The Alloy 20 (UNS N08020) Forged Threaded Tee, often referred to as Carpenter 20, is a niobium-stabilized austenitic nickel-iron-chromium alloy. It was originally engineered specifically to withstand the extremely corrosive nature of hot sulfuric acid. Its elevated nickel, chromium, molybdenum, and copper content provides exceptional resistance to general corrosion, pitting, and crevice corrosion in chemical environments containing chlorides, phosphoric acids, and nitric acids.
Alloy 20 (UNS N08020) Forged Threaded Tee Description
Application Industries
Sulfuric Acid Production Pharmaceutical Manufacturing Food & Beverage Processing Synthetic Rubber & Plastics Explosives Manufacturing Chemical Processing Plants Petrochemical Refining Mixing Tanks & Agitators Pickling Operations Solvents & Dye Production Product Parameters
Parameter Details Product Name Alloy 20 (UNS N08020) Forged Threaded Tee Type Forged Pipe Fitting, Threaded Tee Size 1/8" - 4" (DN6 - DN100) Pressure Class 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS Standard ASME/ANSI B16.11, MSS SP-83, BS 3799 Thread Type NPT, BSPT, BSPP (According to ASME B1.20.1) Surface CNC Machined Finish, Anti-rust Oil Scope of Application Widely used in small-bore, high-pressure piping systems handling severe corrosives like hot sulfuric acid. Certificate ISO, PED 97/23/EC, MTR (EN 10204 3.1), BV, SGS, DNV, GL, LR, ABS, etc. Production Technology Die Forging, Precision CNC Machining Equivalent Grades
UNS ASTM / ASME EN / DIN AFNOR Common Trade Name UNS N08020 ASTM B462 / ASME SB462 2.4660 Z2NCUD31-20AZ Alloy 20, Carpenter 20, 20Cb-3 Chemical Composition (%)
Ni Cr Cu Mo Nb + Ta C (Max) Mn (Max) Si (Max) P (Max) S (Max) 32.0 - 38.0 19.0 - 21.0 3.0 - 4.0 2.0 - 3.0 8xC - 1.00 0.07 2.00 1.00 0.045 0.035 Mechanical Properties
Tensile Strength (Rm) Yield Strength (Rp0.2) Elongation (A5) Hardness (Brinell) ≥ 551 MPa (80,000 psi) ≥ 241 MPa (35,000 psi) ≥ 30% ≤ 217 HB Physical Properties (at 20°C)
Density Melting Point Thermal Conductivity Specific Heat Capacity Modulus of Elasticity 8.08 g/cm³ (0.292 lb/in³) 1385°C - 1443°C 12.5 W/(m·K) 500 J/(kg·K) -
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Alloy 20 (UNS N08020) Forged Threaded Tee - Product Inspection
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Alloy 20 (UNS N08020) Forged Threaded Tee - Product Measurement
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Alloy 20 (UNS N08020) Forged Threaded Tee- Product Packaging
