What is C12000 copper?
Different Material Names for C12000 Pure Copper Tube/ Pipe: GB- TP1, ISO- Cu-DLP, ASTM- C12000, JIS- C1201, DIN- SW-Cu.
C12000 Pure Copper Tube/ Pipe is one kind of copper material used in high stability with maintenance's roofing and curtain wall in buildings. C12000 is with good property performances in environmental protection, safe when application, easy for machining and especially anti- corrosion.
When production for C12000 Pure Copper Tube/ Pipe, the available sizes are: Thickness- 0.05mm to 60mm; Width- Up to 3000mm; Length- Up to 6000mm.
We provide TP1/C12000 copper pipes
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Chemical Composition for C12000 Pure Copper Tube/ Pipe:
|
Grade |
Cu+Ag |
Sb |
P |
Bi |
Ni |
Fe |
Pb |
Sn |
S |
Zn |
O |
|
TP1 |
99.9 |
-- |
0.004-0.012 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Copper C12000 Pipes and Tubes Chemical Composition
| Grade | Cu | Ph |
| C12000 | Including Ag | 0.004 - 0.012 |
Mechanical Property Of Copper C12000 Pipes & Tubes
| Temper | Temper Code | Tensile Strength | YS-0.5% Ext | Elongation | Rockwell B scale | Rockwell F scale | Rockwell 30T scale | Shear Strength | Fatigue Strength** | Section Size | Cold Work |
| (ksi) | (ksi) | (%) | (ksi) | (ksi) | (in) | (%) | |||||
| Hard Drawn | H80 | 55 Typ | 50 Typ | 8 Typ | 60 Typ | 95 Typ | 63 Typ | 29 Typ | 0.065 | 40 | |
| Light Drawn, Light Cold Rolled | H55 | 40 Typ | 32 Typ | 25 Typ | 35 Typ | 77 Typ | 45 Typ | 26 Typ | 0.065 | 15 | |
| Nominal Grain Size 0.025 mm | OS025 | 34 Typ | 11 Typ | 45 Typ | 45 Typ | 23 Typ | 0.065 | ||||
| Nominal Grain Size 0.050 mm | OS050 | 32 Typ | 10 Typ | 45 Typ | 40 Typ | 22 Typ | 0.065 |
Copper C12000 Pipes and Tubes Physical Property
| Density (lb / cu. in.) | Electrical Resistivity (microhm-cm (at 68 Deg F)) | Melting Point (Deg F) | Mean Coeff Thermal Expansion | Modulus of Elasticity Tension |
| 0.323 | 10.6 | 1981 | 9.4 | 17000 |
Equivalent Grades in Different Standards for Pure Copper Tube/ Pipe:
|
GB |
ISO |
ASTM |
JIS |
BS |
DIN |
|
T2 |
Cu-RTP |
C11000 |
C1100 |
C101 |
R-Cu57 |
|
TU1 |
Cu-OF |
C10200 |
C1020 |
C110 |
OF-Cu |
|
TU2 |
Cu-OF |
C10300 |
C1020 |
C103 |
OF-Cu |
|
TP1 |
Cu-DLP |
C12000 |
C1201 |
|
SW-Cu |
|
TP2 |
Cu-DHP |
C12200 |
C1220 |
C106 |
SF-Cu |
|
TAg0.1 |
CuAg0.1 |
C10400 |
C1040 |
|
CuAg0.1 |
C12000 VS C12200
| Feature | C12000 - DHP Copper (Low Residual Phosphorus) | C12200 - DHP Copper (Standard / Higher Phosphorus) |
|---|---|---|
| Phosphorus (P) Content | Very Low: 0.004% to 0.012% | Higher & Controlled: 0.015% to 0.040% |
| Common Name / Standard | Phosphorus Deoxidized, Low Residual P (DHP) | Phosphorus Deoxidized, High Residual P (DHP). Often called "Phosphorized Copper" for plumbing. |
| Oxygen Content | Oxygen-Free (deoxidized by P) | Oxygen-Free (deoxidized by P) |
| Electrical Conductivity | Relatively High: ~85% to 90% IACS | Lower: ~80% to 85% IACS (P is a greater resistor) |
| Thermal Conductivity | Very Good | Good (slightly lower than C12000) |
| Key Property & Advantage | Optimized for a balance of good conductivity and excellent weldability. The minimal P maximizes conductivity within the weldable DHP family. | Optimized for superior corrosion resistance, particularly against dezincification in potable water systems. The higher P level provides this protection. |
| Weldability & Brazability | Excellent (Standard for DHP coppers) | Excellent (Standard for DHP coppers) |
| Primary Application Focus | Industrial Fabrication & HVACR: • Welded assemblies & heat exchangers • Refrigeration tubing & components • Applications where good conductivity and weldability are needed. |
Plumbing / Potable Water Systems: • Water tubes, pipes, and fittings (meets ASTM B88, B306). • The industry standard for modern plumbing. |
| Corrosion Resistance | Good general corrosion resistance. | Superior, specifically for water. The higher phosphorus content inhibits dezincification (a selective leaching corrosion) in waters that can attack brass fittings or other alloys. |
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Dimensional Range Table
In plumbing and HVAC standards, copper tubing is commonly classified into three main types based on wall thickness: Type K, Type L, and Type M.
Type K: Has the thickest wall. It is the strongest and most durable, primarily used for underground burial, high-pressure applications, and where the highest level of protection is required.
Type L: Has a medium wall thickness. It is the most common and versatile type, widely used for residential and commercial water supply lines (hot and cold) and for many HVAC applications.
Type M: Has the thinnest wall. It is suitable for above-ground, low-pressure residential water supply lines and some drainage applications, offering a cost-effective solution where conditions allow.
The outside diameter (OD) is the same for all three types within a given nominal size. The difference lies in the inner diameter (ID), which decreases as the wall gets thicker.
| Nominal Size (inches) | Type K | Type L | Type M |
|---|---|---|---|
| Outside Diameter (OD) | Same for all types | ||
| Wall Thickness | Thickest | Medium | Thinnest |
| Inside Diameter (ID) | Smallest | Medium | Largest |
| 1/2" | OD: 0.625" ID: 0.527" Wall: 0.049" |
OD: 0.625" ID: 0.545" Wall: 0.040" |
OD: 0.625" ID: 0.569" Wall: 0.028" |
| 3/4" | OD: 0.875" ID: 0.745" Wall: 0.065" |
OD: 0.875" ID: 0.785" Wall: 0.045" |
OD: 0.875" ID: 0.811" Wall: 0.032" |
| 1" | OD: 1.125" ID: 0.995" Wall: 0.065" |
OD: 1.125" ID: 1.025" Wall: 0.050" |
OD: 1.125" ID: 1.055" Wall: 0.035" |
Our factory
We provide a full range of copper products-rods, tubes, plates, bars, wires, and strips-tailored to international specifications including ASTM, BS, and JIS. Our manufacturing capabilities feature horizontal continuous casting for large-diameter bars, rotary piercing mills for high-precision tubes, and multi-roll finishing mills for ultra-thin strips. To ensure superior quality, we implement comprehensive testing protocols: chemical analysis via XRF, mechanical property verification on universal testing machines, and non-destructive testing (ultrasonic and eddy current) for internal and surface integrity. With integrated production, rigorous inspection, and flexible customization, we deliver high-performance copper materials for electrical, HVAC, machinery, and construction industries worldwide.
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