Yas provides a wide variety of ACR/DHP graded copper tubes and fittings used for Air-conditioning, Refrigeration, Gas lines and other heating and cooling industrial purposes.

These are supplied from best of the manufacturers according to the client’s specifications meeting international Standards including ASTM, JIS, BS-EN and IS Codes.

These Manufacturers are selected with experience of our founder who is self-experienced in Manufacturing Copper tubes. They manufacture the tubes with proper Technical standards and Testing Equipment’s.

Here we focus on the quality weather used for residential or commercial purposes and hence are proud to supply to a wide range of refrigeration, air conditioning, LPG line etc. needs .

To have a look at the catalog checkout our catalogs page or click on the following link to visit the page.(https://refmart.in/e-catalogues/)

Our Products

Level Wound Coil

Hard Copper Tube

Soft Copper Tube

Insulated Copper Tube

Copper Fittings

PVC Coated Copper Tube

Testings

Hardness Testing

Eddy Current Testing

Chemical Testing

Hydro Testing

Tensile Testing

Why Us….

 

 

  • RoHS compliant and eco-friendly copper tube.
  • Eddy current tested as per customer requirement.
  • Mechanically tested (Hydro, Tensile and Vickers hardness)
  • Bright annealed inside mirror finished
  • 99.9% minimum copper, 0.015 to 0.040% phosphorous- DHP grade copper alloy as per ASTM/JIS/BS.
  • Chemical composition tested.
  • CFC free gases compatibility.
  • Residue level below 0.038gm/mtr. sq.
Charts
Standard Jis H3300 ASTM B68 BS 2871 PART 3 IS 2501
UNS NO. C 1220 C12200 C 106 DHP IS 191 Part VIII
Cu 99.9 min 99.9 min 99.85 min 99.9 min
Fe 0.03 0.03
P 0.015-0.04 0.015-0.04 0.05 0.015-0.01
Temper Condition O 1/2 050-060 M 1/2 H O OD
Tensile N/MM11

206 min HH

245-324

314 max

22kg/mm 2 min

28 min kg/mm2

Elongation 0% 40% min 40%
Hardness Hv5

105 min

80-100

60 max

105 min

80-100

60 max

105 min

80-100

60 max

100 max

60 max

Grain Size Min (75x) 0.025-0.06 0.015-0.04 0.05max
  0.040min
Process Check Point Measuring Instruments Quantum Checked
Mother tube Inspection Dimensions Micro Meter Random Sampling
Chemical Composition Spectro Meter Randomly from the Supplier
Appearance Visual 100%
Drawing Process Dimensions Micro Meter Random Sampling
Surface Visual Inspection 100%
Straightening/ Coiling Dimensions Micro Meter Random Sampling
Straightness Visual Inspection & Measurement 100%
Eddy Current Testing Surface & Internal Defects Eddy current testing Instrument 100%
Finish Cutting Length Measuring Tape 100%
Pre- Inspection Dimensions Deburring Tools 100%
Straightness Micro Meter 100%
Measuring Tape 100%
Annealing Temperature Thermo Couple Batch wise
Dimensional Check Outer Diameter Micro Meter 100%
Length, Straightness Measuring Tape 100%
Visual Inspection Surface Visual 100%
Expansion Test UTM Random Sampling
Flattering Test UTM Random Sampling
Hardness Strength Test UTM Random Sampling
Tensile Strength Test UTM Random Sampling
Marking & Packing Customer’s Requirement 100%
Temper Designation Wall Thickness In. Vickers Hardness Tensile Strength Ksi
Standard Former Scale Hardness
H55 Light Drawn (Quarter Hard) All 5kgs 80-100 36-47
H58 Drawn (Half Hard) All 5kgs 90-110 36 min
H80 Hard Drawn 0.02-0.025 5kgs 110mm 45 min
O60 Soft Anneal 0.02-0.025 5kgs 60max 30 min
Our Procedures