List of Alloys & profiles

List of Alloys & profiles

Alloy Wire International

Datasheet: Alloy 20 CB 3

Alloy 20 CB 3

Alloy 20 CB 3 is an austenitic stainless steel with excellent resistance to hot sulphuric acid and many other aggressive environments that would readily attack stainless steel 316. This alloy exhibits superior resistance to stress-corrosion cracking in boiling 20 to 40% sulphuric acid.

Available in all profile options

alloy featured image inconel Alloy 20 CB 3

Key Features

Excellent resistance to hot sulphuric acid & many other aggressive environments that would attack ST/ST 316.
Superior resistance to stress corrosion cracking in boiling 20 – 40% sulphuric acid.

Typical Applications

Chemical and allied industries
Processing of synthetic rubber
High-octane gasoline
Solvents
Pharmaceuticals
Agrichemicals


Designations

W.Nr 2.4660
UNS N08020
AWS 130

Specifications

ISO 15156-3
(NACE MR 0175)

Chemical Composition

ElementMin %Max %
C0.07
Si1.00
Mn2.00
P0.045
S0.035
Cr19.0021.00
Mo2.003.00
Ni32.5038.00
Cu3.004.00
Nb8 x C1.00
Febal

Alloy Details

DensityMelting PointCoefficient of ExpansionModulus of RigidityModulus of Elasticity
8.08 g/cm³1425 °C14.69 μm/m °C (20 – 100 °C)73.6 kN/mm²193 kN/mm²
0.292 lb/in³2600 °F8.16 x 10-6 in/in °F (70 – 212 °F)10675 ksi27993 ksi

Heat treatment of finished parts

Condition as supplied by AWITypeTemperatureTimeCooling
Annealed or Spring TemperStress Relieve250 – 530 °C (480 – 990 °F)1 HrAir

Properties

Annealed
Approx. tensile strength<900 N/mm²<131 ksi
Approx. operating temperature-200 to +300 °C-330 to +570 °F
Spring Temper
Approx. tensile strength1200 – 1800 N/mm²174 – 261 ksi
Approx. operating temperature-200 to +300 °C-330 to +570 °F

The above tensile strength ranges are typical. If you require different please ask.