DHP Copper Tubes

We also have with us rich product knowledge and process expertise to successfully handle the demands of offering DHP Copper Tubes. These are made of superior grade of copper and find usage in different industry sectors because of their inherent properties like

  • Flawless finish quality
  • Durable finish standards
  • Rigid construction
  • Reliable performance
  • Corrosion & wear resistance

These copper tubes are also accurate in dimensions and are made available by us in customized finish specifications at highly competitive prices. Further, these deoxidized high residual DHP copper tubes are deoxidized with phosphorous and feature

  • High stress and tensile strength
  • High fatigue strength
  • Superior thermal conductivity

Other than this, the copper tubes also allow an increase in re-crystallization temperatures from 150K to 200K. With our expertise in offering products like DTP copper, refrigeration copper tubes, air conditioning copper tubes, DTP copper alloy, relay copper tubes and others, these copper tubes/copper pipes are used for different purposes like

  • Refrigeration copper tubes
  • Air conditioning copper tube


Product Applications:

Some of the areas these are used in include:

  • Refrigeration
  • Air Conditioning
  • Thermostat
  • Relay
  • Heat Exchangers (Heat Transfer Tubes)


DHP Copper
  • ASTM B 68 C 12200
  • ASTM B 75 DLP C12000
  • BS 2871 Part 2 C 101
  • BS 2871 Part 3 C 106
  • EN 12451 DHP
  • JIS H3300 C 1220
Chemical Requirements 
Copper (Cu)99.9% min
Phosphorus (P)0.015 to 0.040%

(1) This includes oxygen-free Cu which contains P in an amount agreed upon. (2) Cu value includes Ag.

Physical Properties
ConditionT.S.Kg/mm 2EL% Min
As manufactured23.513%
Fabrication Properties
Capacity for being 
Cold workedExcellent
Hot formedExcellent
Suitability for solderingGood
Suitability for BrazingGood
Immunity to hydrogenExcellent
General Engineering Purpose & Electrical Component

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Shree Extrusions Ltd


Shree Extrusions Ltd

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