Gnee Steel (Tianjin) Co., Ltd.

Copper Round Polished Capillary Pipes

Oct 10, 2025

Polished copper tubes are attractive and serve a purpose within diverse areas such as plumbing and heating systems or decorative architecture. By polishing the original shine of copper, it acquires a reflective surface that adorns spaces by giving it an elegant look. This makes polished copper pipes highly demanded in exposed installations where appearance matters, just like its function, such as art sculptures, interior design features, and exposed plumbing.

One of the biggest advantages of using polished copper tubes is their flexibility in looks. A shiny, bright finish on polished copper adds elegance to any setting. Highly shined pipes can create striking visual features that match modernistic themes or even old-fashioned environments when used in interior design. Polished copper tubes have an exceptional characteristic of drawing attention inside spaces, whether they run along walls or ceilings, constitute parts of lighting fixtures, or form properties of furniture designs. With time, polished copper develops unique patina that brings about warmth making it popular among architects and designers.

Polished Copper Tubes have practical benefits similar to those of standard Copper tubing and are visually appealing. They can withstand environmental factors because they are mostly indestructible and hence require little maintenance throughout their service life due to their longevity. Such a feature allows them to be used beyond aesthetic purposes. When used in plumbing and heating systems, these tubes will perform well even under high pressure and temperatures experienced there . Furthermore, copper represents a hygienic choice since it resists bacteria growths responsible for bio-film formation; hence, this material can be used as sanitary tubing for the water distribution network.

 

Manufacturing Process

Melting

Casting

Extruding

Drawing & Pilgering

Cutting

packing

Inspection

Annealing

 

Polished Copper Tubes also conduct heat excellently. This is especially advantageous in heating systems such as radiant floor heating and hydronic heating, where heat transfer is crucial. Polished copper conducts heat quickly and evenly, thus facilitating the maintenance of comfortable indoor temperatures that optimize energy efficiency. Additionally, the polished surfaces of these tubes enhance their heat-reflective properties, improving their performance in some heating applications.

 

Specifications of Polished Copper Tube

Standard ASTM B68 / ASTM B75 / ASTM B280 / ASTM B88 / JIS H 3300 / EN1057 or BS2871: PART 2:1972 / DIN 1754/8905/ IS2501
Specification ASTM B280, JIS H3300, AS/NZS1571.JIS3300-2006
Material TU2, C1020T, C10200, T2, C1100, TP1, C1201T, C1200, TP2, C1220T, C12200, C14200, C19400, etc
Outer Diameter(OD) 4mm to 150mm
Wall Thickness : 0.2mm~5mm
Length 1m, 2m, 3m, 6m, or as required.
Cut Length Single Random, Double Random & Cut Length
Types Seamless Pipes, Tube / Inner Grooved Pipes / Square Pipes, Tube / Rectangular Pipes, Tube / Finned Pipes, Tube
Application 1. Pancake Coil for ACR, General Engineering Applications
2. LWC Coil for ACR, General Engineering Applications
3. Straight Copper Tubes for ACR and Refrigeration
4. Inner-grooved copper tube for ACR and Refrigeration
5. Copper Pipe for Transportation System of water, gas and oil
6. Semi-finished Copper tube for industrial applications

 

pressed and drawn seamless pipeSeamless round pure copper tube

Application Industries for Polished Copper Tube

Plumbing and HVAC

Interior Design

Marine

Automotive

Architecture

Electrical and Fuel Gas

 

about GNEE

info-800-600

why choose our products

 

Our company is equipped with advanced production lines capable of extruding, drawing, refining, and processing copper rods, copper tubes, copper busbars, and special-shaped copper products. To ensure every single product meets international standards, we have established a comprehensive quality control center. This center is furnished with a range of high-precision testing equipment, including spectrometers, metallurgical microscopes, universal material testing machines, and conductivity testers. This allows us to perform rigorous checks on raw materials, semi-finished, and finished products, covering chemical composition, physical properties, and non-destructive testing.

If you need any help, please contact us immediately:sales@gneesteel.com

Other product forms provided by GNEE

copper pipe/tube

Material

Brass:C21000,C22000,C22600,C23000,C24000,C26000,C26130,C26800,C27000,C27200,C27400,

C2800,H59,H62,H70,H65,H80,H90,CuZn30,CuZn37,CuZn35,CuZn40,etcLeaded
brass:
C31400,C31600,C32000,C33000,C33200,C33500,C34000,C34200,
C34500,C35000,C35300,C35600,C36000,C36500,C37000,C37700,C38000,C38500,etc

Tin brass:
C40500,C40800,C41100,C42200,C44400,C48200,C46400,C46200

Aluminium bronze:C60600,C62300,C62400,C63000,C63200,C64200,etc

Nickel copper:C71000,C71500,C70400,C70600,C70250,C70260,C71520
C72200,C74500,C75200,C77400,etc

Phosphor bronze:C50500,C51100,C52100,C51980,etc

Diameter

1/4",3/8",1/2", 5/8", 7/8" or customized

Thickness

0.5/0.6/0.7/0.8/1 or Customized

Length

15m/50ft or customized

Standard

JIS,AISI,ASTM,GB,DIN,EN

Price Term

x-Work,FOB,CNF,CFR,CIF,FCA,DDP,DDU,etc

Payment Term

TT,L/C,Western Union,D/P,etc

Application

refrigeration,installation of air conditioner,construction water and gas

Package

Standard export package,suit for all kinds of transport,or as required.

Get product catalog

 

copper rod/bar

Material

Copper, Brass, Bronze and special copper alloy

Grade

ASTM

C10100,C11000,C12200,C21000,C22000,C23000,C24000,C26000,
C27000,C26800,C27200,C27400,C28000,C36500,C33000,C35300,
C35600,C36000,C38500,C44300,C46400,C52100,C54400,C62300,
C65500,C67500,C67600,C86300,C90700,C93200,C95400 etc.

G/B

TU1,T2,TP2,H96,H90,H85,H80,H70,H65,H63,H62,H59,HPb63-3,
HPb66-0.5,HPb62-2,HPb62-3,HPb59-3,HSn70-1,HSn62-1,QSn8-0.3, QSn4-4-4,QAl9-4,QSB-1 etc.

JIS

C 1011,C 1100,C 1220,C3604,C 2100,C 2200,C 2300,C 2400, C 2600,
C 2700,C 2680,C 2720,C 2800,C 4430,C 4640,C 5210, C 5441, CAC304 etc

BS

Cu-OFE,C 101,Cu-DHP,CZ 125,CZ 101,CZ 102,CZ 103,CZ 106,CZ 107, CZ 108,CZ 109,CZ 123,CZ 124,

CZ 121,CZ 111,CZ 133, Pb 104,
CS 101, CuSn10P etc.

DIN/ISO

CuZn5,CuZn10,CuZn15,CuZn20,CuZn30,CuZn35,CuZn33,CuZn36,
CuZn37,CuZn40,CuZn40Pb,CuZn37Pb2,CuZn36Pb3,CuZn39Pb3,
CuZn28Sn1,CuZn38Sn1,CuSn8,CuSn4Pb4Zn3,CuSi3Mn,CuZn25Al5,
CuSn10, CuSn7Zn3Pb7 etc.

Shape

Round, Square, Flat, Hexagon, Oval, Half-round or Customized

Dimension

Bar/Rod

Standard(Diameter 5-160 mm) or Customized

Wire

Standard(Diameter 0.02-6 mm) or Customized

Plate/Sheet

Standard(T 0.2-50 mm/W 200-3000 mm/L 6000 mm) or Customized

Strip

Standard(T 0.05-1.5 mm/W 20-600 mm/L 20000 mm) or Customized

Tube/Pipe

Standard(OD 3-360mm/Wall thickness 0.5-50 mm) or Customized

Standard

GB/T,JIS,ASTM, ISO, DIN, BS, NF etc.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard.

Package

Plastic film + Wooden case or as per customer requirement

Surface

Polished,bright,oiled,hair line,brush,mirror,or as required

Deliver time

According to order's quantity.

Shipment

By sea, by air, DHL, UPS, FedEx etc. or as required

Application

Electric light industry, machinery manufacturing, Building industry ,defense industry, and other fields Manufacturing industrial

Get product catalog

 

copper plate/sheet/strip

Standard

ASTM,DIN,BS,CDA,JIS,GB

Material

T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800,
C10910,C10920,TP1,TP2,C10930,C11000,C11300,C11400,C11500,
C11600,C12000,C12200,C12300,TU1,TU2,C12500,C14200,C14420,
C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,
C26000,C27000,C27400,C28000,C33000,C33200,C37000,C44300,
C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70600,
C70620,C71000,C71500,C71520,C71640,C72200,etc.

Shape

Square,Rectangular,etc.

Specifications

Diameter:3~200mm

Length

3m,5.8m, 6m, 11.8m, 12m, or as required.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc

Surface

mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required.

Price term

EXW, FOB, CFR, CIF, etc.

Payment term

T/T

Package

Export standard package: bundled wooden box, suit for all kinds of transport,
or be required.

Delivery time

According to order quantity

Export to

Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain,
Canada, USA, Egypt, Kuwait, Dubai, Oman, Kuwait, Peru, Mexico, Iraq,
Russia,Malaysia, etc.

Application

Copper plates are mainly used in electrical conductivity, heat conduction, and corrosion-resistant equipment. For instance, they

are applied in wires, cables, conductive screws, blasting detonators, evaporators for chemical industries, storage containers, and

various pipelines, etc. They can also be used as force-bearing parts for various deep drawing and bending manufacturing processes,

such as pins, rivets, washers, nuts, conduits, pressure gauges, screens, and radiator parts, etc.

Contact

If any requirement please feel free to inform me at any time.

Get product catalog

 

copper wire

Grade

C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,

C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,

C12500,C14200,C14420,C14500,C14510,C14520,C14530,C17200,C19200,

C21000,C23000,C26000,C27000,C27400,C28000,C33000,C33200,C37000,

C44300,C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70620,

C71000,C71500,C71520,C71640,C72200,T1,T2,T3,etc

Standard

JIS ASTM DIN EN ISO

Diameter

0.3-5mm/custom

Length

custom

Surface

mill,polished,bright,mirror,hair line,brush,checkered,antique,sand blast,etc

Application

Building, industry etc

Payment Terms

T/T or L/C at sight

Delivery time

5-15 days after receiving L/C or deposit

Remark

Specific requirement of alloy grade,temper or specification can be discussed at your request

Get product catalog

 

 

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