INDUSTRIAL METALS · MATERIAL SOURCING · FABRICATION
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COPPER ALLOY

Chromium copper equivalents, chemistry & properties.

Chromium copper is a copper alloy used for mostly used for resistance welding electrodes, seam-welding wheels and electrical contacts. Below are its equivalent designations in nine standards, chemical composition, mechanical properties and density.

Chromium copper equivalent grades

USA (ASTM / AISI / SAE)
C18200
UNS
C18200
Europe (EN)
CuCr1 (CW105C)
Werkstoff No. (W.Nr)
2.1291
UK (BS)
CC101
China (GB)
QCr0.5 (nearest)

Key data

Family
Copper alloy
Density
8.89 g/cm³
Typical mechanical
Heat treated: TS about 400–480 MPa, about 80% IACS
Typical uses
Mostly used for resistance welding electrodes, seam-welding wheels and electrical contacts
Weight
Calculate weight in Chromium copper

Chromium copper chemical composition (weight %)

CrFeSiPb
0.6–1.2≤0.10≤0.10≤0.05

Grades similar to Chromium copper

Frequently asked questions

What is the equivalent of Chromium copper?

Chromium copper equivalents: USA (ASTM / AISI / SAE) C18200; UNS C18200; Europe (EN) CuCr1 (CW105C); Werkstoff No. (W.Nr) 2.1291; UK (BS) CC101; China (GB) QCr0.5 (nearest). Equivalents are close but not always identical; check the standard on your order.

What is the chemical composition of Chromium copper?

Chromium copper: Cr 0.6–1.2, Fe ≤0.10, Si ≤0.10, Pb ≤0.05 (weight %).

What is the density of Chromium copper?

About 8.89 g/cm³ (8,890 kg/m³), the value used for weight calculations.

Need Chromium copper?

Steel Impex India, Mumbai, supplies Chromium copper in pipes, plates, sheets, bars and fittings as available, with mill test certificates. Send the grade, standard, size and quantity.