Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Working pressures of metric sized copper tubes according the BS (British Standard) 2871.
The copper used in the manufacture of tubes is phosphorus deoxidized copper Cu-DHP defined by British Standard BS. 6017: 1981. This also corresponds to the ISO denomination Cu-DHP.
The minimum copper content is
99.85% and the residual phosphorus content is between 0.013 and 0.050%. This deoxidized copper is not affected by reducing atmospheres and consequently is well suited to welding and brazing. The density of copper is 8.9 g/cm. its melting point is 3 1083 and its coefficient of linear expansion is oC 16.8 x 10 (ranging -6 per oC 20). oC - 100 oC
Note! - this standard is replaced with EN 1057 - Copper tubes for water and gas in sanitary and heating applications
For full table with Table Z -
rotate the screen! 1 N/mm 2 = 10 6 Pa = 1 MPa = 10 bar = 1.020x10 5 kp/m 2 = 102.0 m H 2O = 9.869 atm = 145.0 psi (lbf/in 2)
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