Short Description

Model No.: Alloy-20-High-Pressure-SW-Full-Coupling

China SW Full Coupling Manufacturer www.steeljrv.com offers ASME B16.11 Alloy 20 High Pressure SW Full Coupling.

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Key Specifications / Features

Type: SW Full Coupling
Material: Alloy 20
Class: 3000#
Size: 1 inch (DN25)
Connection: Socket Welding
Surface Treatment: Normal

The Chemical Composition of Alloy 20, %
Nickel 32.0-38.0
Chromiun 19.0-21.0
Copper 3.0-4.0
Molybdenum 2.0-3.0
Iron Balance
Carbon ≤0.07
Niobium+tantalum 8*C-1.0
Managanese ≤2.00
Phosphorus ≤0.045
Sulfur ≤0.035
Silicon ≤1.00

Mechanical Properties of Alloy 20

Tensile Strength, min. Yield Strength, min. Elongation, min. Young’s Modulus
Mpa ksi Mpa ksi % 103ksi Gpa
620 90 300 45 40 28 193

Physical Properties of Alloy 20

Density Specific Heat Electrical Resistivity Thermal Conductivity
g/cm3 J/kg.°C µΩ·m W/m.°C
8.08 500 1.08 12.3

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