| Brand Name: | YUHONG |
| Model Number: | ASTM B111 UNS C12200 Copper Tube Heat Exchanger Tube |
| MOQ: | 500kgs |
| Price: | NEGOTIABLE |
| Packaging Details: | Ply-wooden Case / Bundle with plastic Cap |
| Payment Terms: | L/C,T/T |
ASTM B111 C12200 Red Copper Tube 99.9Cu DHP Seamless Heat Exchanger Tube
ASTM B111 C12200 is a seamless, deoxidized high‑phosphorus (DHP) copper tube, specified for heat exchanger service due to its excellent thermal conductivity, ductility, and weldability, but limited to fresh water or mildly corrosive fluids.
Why Use 99.9% Cu DHP Tube in Heat Exchangers?
High heat transfer efficiency → Smaller surface area possible, reducing equipment size.
Excellent ductility → Easily expanded, flared, or bent into U-bends without cracking.
Good weldability & brazing → DHP grade is preferred for welded tube-to-tubesheet joints.
Resists dezincification (unlike brass) → No selective leaching of zinc.
Forms protective patina → Long service life in clean water or atmospheric conditions.
Tensile Requirements of ASTM B111 UNS C12200 DHP Red Copper Tube
| UNS No. |
Temper Code |
Temper Name |
Tensile Strength, min MPa |
Yield Strength, min MPa |
Elongation in 50mm, min % |
| ASTM B111 C12200 | H55 | Light- drawn | 250 | 205 | - |
| H80 | Hard-drawn | 310 | 275 | - |
| ASTM B111/ ASME SB111 | JIS H3300 |
| C12200 | C1220/ C1220T/ C1220TS |
| C44300 | C4430/ C4430T/ C4430TS |
| C68700 | C6870/ C6870T/ C6870TS |
| C70600 | C7060/ C7060T/ C7060TS |
| C71500 | C7150/ C7150T/ C7150TS |
| C71640 | C7164/ C7164T/ C7164TS |
Comparison with Other ASTM B111 Copper Alloys Heat Exchanger Tube
| UNS Alloy |
Thermal Cond. (W/m·K) |
Corrosion Resistance | Cost | Best For |
| C12200 (DHP Cu) | 390 | Good (fresh water only) | Low | Clean water, HVAC |
| C44300 (Admiralty Brass) | 110 | Fair (inhibited for salt water) | Medium | Salt water (low velocity) |
| C70600 (90/10 Cu‑Ni) | 45 | Excellent (seawater) | High | Seawater, brackish |
| C71500 (70/30 Cu‑Ni) | 29 | Very high (high velocity seawater) | Very high | Marine, offshore |
Application
Heat Exchanger
Power generation: Feedwater heaters, surface condensers
HVAC / Refrigeration: Chiller evaporators & condensers, air coils
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