Alloy 20 equivalents, chemistry & properties.
Alloy 20 is a nickel alloy used for sulphuric acid handling, pumps, valves. Below are its equivalent designations in nine standards, chemical composition, mechanical properties and density.
Alloy 20 equivalent grades
- USA (ASTM / AISI / SAE)
- Alloy 20 (Carpenter 20Cb-3 type)
- UNS
- N08020
- Europe (EN)
- NiCr20CuMo
- Werkstoff No. (W.Nr)
- 2.4660
Key data
- Family
- Nickel alloy
- Density
- 8.08 g/cm³
- Typical mechanical
- TS ≥551 MPa · YS ≥241 MPa
- Typical uses
- Sulphuric acid handling, pumps, valves
- Weight
- Calculate weight in Alloy 20
Alloy 20 chemical composition (weight %)
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | Nb |
|---|---|---|---|---|---|---|---|---|---|
| ≤0.07 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.035 | 19.0–21.0 | 32.0–38.0 | 2.0–3.0 | 3.0–4.0 | 8×C–1.00 |
Grades similar to Alloy 20
Frequently asked questions
What is the equivalent of Alloy 20?
Alloy 20 equivalents: USA (ASTM / AISI / SAE) Alloy 20 (Carpenter 20Cb-3 type); UNS N08020; Europe (EN) NiCr20CuMo; Werkstoff No. (W.Nr) 2.4660. Equivalents are close but not always identical; check the standard on your order.
What is the chemical composition of Alloy 20?
Alloy 20: C ≤0.07, Si ≤1.00, Mn ≤2.00, P ≤0.045, S ≤0.035, Cr 19.0–21.0, Ni 32.0–38.0, Mo 2.0–3.0, Cu 3.0–4.0, Nb 8×C–1.00 (weight %).
What is the density of Alloy 20?
About 8.08 g/cm³ (8,080 kg/m³), the value used for weight calculations.
Need Alloy 20?
Steel Impex India, Mumbai, supplies Alloy 20 in pipes, plates, sheets, bars and fittings as available, with mill test certificates. Send the grade, standard, size and quantity.