Grade CuNi1.5Si
Germany W-Nr. 2.0853
Corresponding Standard DIN 17672-1-1983
Wrought copper and copper alloys bars;Properties.
Classification Copper and Copper Alloys
Density 8.8 g/cm3
CuNi1.5Si Chemical Element Composition Content (%)
Component Si Ni Other Total More
Minimum Value 0.4 1 - Cu:余量
Maximum Value 0.7 1.6 0.5
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
CuNi1.5Si Mechanical Properties
diameter/thickness
d
mm
Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Round material; d≤30 2.0853.53 Solid Solution + Cold Work Hardening F41 (.53) ≥410 ≥290 ≥9(A5) ≈125
Round material; d≤30 2.0853.73 Solution heat treatment + cold working hardening + artificial aging F59(.73) ≥590 ≥540 ≥12(A5) ≈180
Round material; d≤90 2.0853.60 Solution + artificial aging F44(.60) ≥440 ≥290 ≥17(A5) ≈140
Flat material; d ≤ 40 2.0853.60 Solution + artificial aging F44(.60) ≥440 ≥290 ≥17(A5) ≈140
Square material, hexagonal material; d ≤ 75 2.0853.60 Solution + artificial aging F44(.60) ≥440 ≥290 ≥17(A5) ≈140
Square material, hexagonal material; d ≤ 27 2.0853.53 Solid Solution + Cold Work Hardening F41 (.53) ≥410 ≥290 ≥9(A5) ≈125
Square material, hexagonal material; d ≤ 27 2.0853.73 Solution heat treatment + cold working hardening + artificial aging F59(.73) ≥590 ≥540 ≥12(A5) ≈180
New and Old Grade Replacement List
Approximate Comparison Table Cupper and cupper alloy
Germany European Standard
DIN EN/DIN W-Nr. EN Numerical Grade
CuNi1.5Si 2.0853 CuNi1Si CW109C
CuNi1.5Si Corresponding Standards(Same grade name, different standards)

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