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EN 1057 - Copper tubes for water and gas in sanitary and heating applications - Dimensions

Dimensions of EN 1075 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications

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Dimensions of copper tubes according EN 1075 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications:

Nominal Outside Diameter
- d -
(mm)
Nominal Wall Thickness - e - (mm)
0.50.60.70.80.91.01.11.21.52.02.53.0
6
8
10
12
14
15
16
18
22
28
35
40
42
54
64
66.7
76.1
88.9
108
133
159
219
267

Recommended

  • 1 inch = 25.4 mm

Example - Designation of EN 1075 Copper Tube

  • Copper tube EN 1057 R220 12×1.0

where R220 is material temper.

Material Temper

Material TemperSize RangeTensile StrengthElongation min.Vickers Hardness
EN 1173 DesignationCommonly used term(mm)(MPa)(%)HV5
R220 annealed, soft 6 - 54 220 40 40 - 70
R250 half hard 6 - 66.7 250 20 75 - 100
R290 hard 6 - 159 290 5 95 - 120

EN 1173 - Letter symbols for Property Designations

  • A Elongation
  • B Spring bending limit
  • G Grain size
  • H Hardness (Brinell for castings, Vickers for wrought products)
  • M (as) Manufactured, i.e. without specified mechanical properties
  • R Tensile strength (like R220 - 220 MPa)
  • Y 0.2% proof strength

Typical Available Dimensions

Plain Straight Tubes

  • R250 Half hard and R290 Hard
Nominal Outside Diameter
(mm)
Tube Length
(m)
Wall Thickness (mm)
X1)Y1)
6 3, 6 0.6 0.8
8 3, 6 0.6 0.8
10 3, 6 0.6 0.8
15 3, 6 0.7 1.0
22 3, 6 0.9 1.2
28 3, 6 0.9 1.2
35 3, 6 1.2 1.5
42 3, 6 1.2 1.5
54 3, 6 1.2 2.0
67 3, 6 1.2 2.0
76 3, 6 1.5 2.0
108 3, 6 1.5 2.5
133 3, 6 1.5
159 3, 6 2.0
219 6 3.0

1) BS 2871 - Copper Tubes - Dimensions and Working Pressures Table X, Y and Z

Plain Coils

  • R220 Annealed, soft
Nominal Outside Diameter
(mm)
Coil Length
(m)
Wall Thickness (mm)
15 25 1.0
22 25 1.2

Chrome Plated Tubes

  • R250 Half hard and R290 Hard
Nominal Outside Diameter
(mm)
Tube Length
(m)
Wall Thickness (mm)
15 2, 3 0.7
22 2, 3 0.9
28 3 0.9
35 3 1.0
42 3 1.0
54 3 1.0

PVC Covered Coils

  • R220 Annealed, soft
Nominal Outside Diameter
(mm)
Coil Length
(m)
Wall Thickness (mm)
8 25 0.6
10 25 0.7
15 25 1.0
22 25 1.2
28 20 1.2
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  • en: en 1075 copper tubes dimensions seamless water sanitary
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