Ningbo Jintian Copper (Group) Co., Ltd.
Ningbo Jintian Copper (Group) Co., Ltd.
  • Inner-grooved Tube
  • Inner-grooved Tube

Inner-grooved Tube

The Inner grooved copper tube produced by our company can be used in the heat exchanger industry of air conditioning and refrigeration systems, and the inner grooved copper tube is suitable for thin-walled, thin-diameter, new tooth shape and new product trends.

Inner Grooved Copper Tube Certifications
  • NSF
  • ASTM
  • TUV

Inner Grooved Copper Tube Performance Advantages


  • High dimensional accuracy

  • High heat dissipation performance

  • High cleanliness

  • Lightweight

Inner Grooved Copper Tube Application Fields

  • Air Conditioner Condenser
    Air Conditioner Condenser
  • Air Conditioner Evaporator
    Air Conditioner Evaporator
  • Water Heater
    Water Heater
  • Car Air Conditioner
    Car Air Conditioner

Inner Grooved Copper Tube Performance Parameter


SpecificationsUnit Weight


(g/m)

O.DI.DBottom Wall Thickness TWFin Groove Depth HFTotal Wall ThicknessApex AngleHelix AngleNumble of Tooth
∅5.00*0.20+0.15-18°3354.30.20,1535401340
∅7.0*0.22+0.10-16*4776.36220.10.32351665
∅7.0*0.23+0.12-17°47.57630230.120.35401765
∅7.00*0.25+0.10-15°5276300.250.135401565
∅7.00*0.25+0.18-18°5776.M0.250.1843401350
∅7.00*0.25+0.22-16°5876.060.250.220.47221654
∅7.00*0.27+0.15-18°6076.160.270.150.42531360
∅7.94*0.24+0.13-18°60.57.947.2240.1337331370
∅7.94*0.25+0.18-18°657.947.030.250.130.43401350
∅7.94*0.25+0.20-18°667.947.040.250.20.45401350
∅7.94*0.26+0.17-18°657.947080.260.1743401350
∅7.94*0.28+0.20-18°727.946.980.230,200.43401350
∅7.94*0.30+0.20-18°767.946.940.30.2504013SO
∅9.52*0.27+0.16-18°329.528.660.270.160.43301370
∅9.52*0.28+0.12-15°309.523720.280.120.4531565
∅9.52*0.28+0.15-18°339.528.660.280.150.43531360
∅9.52*0.28+0.15-25°389.528.660.280.150.43902565
∅9.52*0.28+0.20-18°359.528.560.230.20.43251355
∅9.52*0.28+0.20-18°339.528560.230.20.43401360
∅9.52*0.30+0.20-18°909.528.520.30.250301360
∅9.52*0.30+0.20-18°949.528.520.30.20.5531360
∅9.52*0.34+0.15-25°1049.528.540.340.150.49902565
∅9.52*0.40+0.25-18°1239.523220.40.250.65401360
∅12.00*0.36+0.25-18°MO1210.780.360.250.61401870
∅12.70*0.35+0.25-18°1551Z/011.50.35250.6531370
∅12.70*0.40+0.25-18°17012.711.40.40.250.65531370
∅12.70*0.50+0.25-18°20112.711.20.50.250.75531375
∅12.75*0.36+0.21/0.25-20°15012.7511.530.360.250.61482070

Inner Grooved Copper Tube Production Process

The conventional production process:

Inner Grooved Copper Tube Production Process
  • 01
    Cathode
  • 02
    Melting & casting
  • 03
    Milling & Rolling
  • 04
    Combined cascade line
  • 05
    Block spinning
  • 06
    On-line annealing
  • 07
    Inner grooving
  • 08
    Level winding & eddy current inspection
  • 09
    Annealing
  • 10
    Transportation of finished products

Inner Grooved Copper Tube Executive Standard


Product performance standards: GB/T 17791-2007, ASTM B280, JIS H3300, AS/NZS 1571:1995, AS 1432, EN12735-2

Inner Grooved Copper Tube Production Equipments

  • Horizontal continuous casting furnace
    Horizontal continuous casting furnace
  • Face milling machine-copper tube
    Face milling machine-copper tube
  • Three-roll planetary mill
    Three-roll planetary mill
  • Internal thread forming machine
    Internal thread forming machine
  • Rewinding machine
    Rewinding machine
  • Smart warehouse
    Smart warehouse
Start Your Partnership With JINTIAN COPPER!
Whether you have any questions about our products, please feel free to contact us, we will reply as soon as possible.