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EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser

EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser

  • EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser
  • EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser
  • EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser
  • EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser
EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ABS, BV, DNV-GL , PED, TUV, LR, KR, NK, CCS
Model Number: EN12449 CuZn20Al2As
Payment & Shipping Terms:
Minimum Order Quantity: 1000KGS
Price: Negotiable
Packaging Details: Strong Iron Case Packing
Delivery Time: 2-3 WEEKS
Payment Terms: L/C, T/T
Supply Ability: 1500 tons per month
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Detailed Product Description
Standard: EN12449:1999 Material: CuZn20Al2As
Test: Tensile Test, Hardness Tes, Eddy Current Test, Hydraulic Test, Peneumatic Test Application: Power Plants Condenser, Heat Exchangers
Highlight:

ASME SB111 Seamless Tube

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C71500 Seamless Tube

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C68700 Seamless Tube

EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser

 

Plant Condensers: Optimal Corrosion & Thermal Performance

  • YUHONG ​​Material:​​ CuZn20Al2As (UNS C68700)
  • YUHONG ​​​​Standard:​​ EN 12449:2018 Compliant
  • ​​YUHONG ​​Application:​​ High-Pressure Steam Condensers
  • ​​YUHONG ​​Properties:​​ Seawater Corrosion Resistance | Anti-Biofouling | High Thermal Conductivity
  • ​​YUHONG ​​Certification:​​ SCC Tested per EN ISO 196 (Ammonia Vapor)

EN12449 Chemical Compositions

​​EN Designation​​ ​​UNS Number​​ ​​Alloy Name​​ ​​Cu (+Ag)​​ ​​Pb​​ ​​Fe​​ ​​Sn​​ ​​Zn​​ ​​Ni​​ ​​Al​​ ​​Mn​​ ​​P​​ ​​As​​ ​​Sb​​ ​​Other Elements​​ ​​Cu + Sum Listed Elements​​
​​CW004A​​ C11000 Copper ≥99.90 0.005 – – – – – – – – – – ≥99.97
​​CW008A​​ C12000 Phosphorus deoxidized Cu ≥99.90 0.005 – – – – – – 0.004–0.012 – – – ≥99.97
​​CW024A​​ C21000 Gilding brass 94.0–96.0 0.05 0.05 – Rem. – – – – – – – ≥99.5
​​CW502L​​ C22000 Commercial bronze 89.0–91.0 0.05 0.05 – Rem. – – – – – – – ≥99.5
​​CW506L​​ C23000 Red brass 84.0–86.0 0.05 0.05 – Rem. – – – – – – – ≥99.5
​​CW507L​​ C24000 Low brass 78.5–81.5 0.05 0.05 – Rem. – – – – – – – ≥99.5
​​CW508L​​ C26000 Cartridge brass 68.5–71.5 0.07 0.05 – Rem. – – – – – – – ≥99.5
​​CW600L​​ C31400 Leaded commercial bronze 87.0–89.0 0.7–1.2 0.1 – Rem. – – – – – – – ≥99.5
​​CW602N​​ C31600 Leaded brass 85.0–87.0 0.7–1.2 0.1 – Rem. – – – – – – – ≥99.5
​​CW614N​​ C33000 Leaded brass 65.0–68.0 0.25–0.7 0.07 – Rem. – – – – – – – ≥99.5
​​CW617N​​ C33500 Low-leaded brass 62.0–65.0 0.25–0.7 0.15 – Rem. – – – – – – – ≥99.5
​​CW702R​​ ​​C68700​​ ​​Aluminum brass (CuZn20Al2)​​ 76.0–79.0 0.07 0.06 – Rem. – 1.8–2.5 – – 0.02–0.10 – – ≥99.5
​​CW704R​​ C44300 Admiralty brass 70.0–73.0 0.07 0.06 – Rem. – – – – ​​0.02–0.10​​ ​​0.02–0.10​​ – ≥99.5
​​CW706R​​ C44400 Inhibited brass 70.0–73.0 0.07 0.06 – Rem. – – – – ​​0.02–0.10​​ – ​​P: 0.02–0.10​​ ≥99.5
​​CW707R​​ C44500 Inhibited brass 70.0–73.0 0.07 0.06 – Rem. – – – ​​0.02–0.10​​ – – – ≥99.5
​​CW712R​​ C46400 Naval brass 60.0–63.0 0.2 0.1 ​​0.7–1.0​​ Rem. – – – – – – – ≥99.5
​​CW715N​​ C48600 Leaded silicon brass 87.0–90.0 0.7–1.4 0.2 ​​1.3–2.2​​ Rem. – – – – – – ​​Si: 0.5 max​​ ≥99.5
​​CW721R​​ C70600 CuNi10Fe Rem. 0.02 ​​1.0–2.0​​ – – ​​9.0–11.0​​ – 0.5–1.0 – – – ​​Mn: 0.5–1.0​​ ≥99.5
​​CW725R​​ C71500 CuNi30Fe Rem. 0.02 ​​0.4–1.0​​ – – ​​29.0–32.0​​ – 0.5–1.0 – – – ​​Mn: 0.5–1.0​​ ≥99.5

 

EN12449 Mechanical Properties

​​EN Designation​​ ​​UNS Number​​ ​​Temper (TP)​​ ​​Rₘ (MPa) min​​ ​​Rp₀.₂ (MPa) min​​ ​​A (%) min¹​​ ​​Hardness HBW max​​
​​CW004A​​ C11000 O60 (Soft) 200 40 43 45
    H110 (Hard) 290 250 6 100
​​CW008A​​ C12000 O60 (Soft) 200 40 43 45
​​CW024A​​ C21000 O60 (Soft) 240 80 40 65
​​CW502L​​ C22000 O60 (Soft) 270 80 42 65
​​CW506L​​ C23000 O60 (Soft) 300 100 45 75
​​CW507L​​ C24000 O60 (Soft) 330 110 45 80
​​CW508L​​ C26000 O60 (Soft) 340 120 42 100
    H110 (Hard) 500 420 10 150
​​CW600L​​ C31400 O50 (Light annealed) 270 80 40 75
​​CW602N​​ C31600 O50 (Light annealed) 270 80 40 75
​​CW614N​​ C33000 O50 (Light annealed) 340 140 25 95
​​CW617N​​ C33500 O50 (Light annealed) 340 140 25 95
​​CW702R​​ ​​C68700​​ O50 (Light annealed) ​​450​​ ​​180​​ ​​25​​ ​​130​​
    H110 (Hard) 650 550 8 210
​​CW704R​​ C44300 O60 (Soft) 340 120 45 100
​​CW706R​​ C44400 O60 (Soft) 340 120 45 100
​​CW707R​​ C44500 O60 (Soft) 340 120 45 100
​​CW712R​​ C46400 O60 (Soft) 380 170 35 115
    H110 (Hard) 550 450 12 200
​​CW715N​​ C48600 O50 (Light annealed) 340 140 25 95
​​CW721R​​ C70600 O50 (Light annealed) 340 120 30 90
​​CW725R​​ C71500 O50 (Light annealed) 370 120 30 100

 

EN12449 Supplementary Requirements (All Grades)​​

Property​​ ​​Test Method​​ ​​Requirement​​
​​Hydrostatic Test​​ EN ISO 10896 Min. pressure: 6 MPa (60 bar) for ≥10 sec; no leakage or deformation
​​Flare Test​​ EN ISO 8494 Expand to 25% of OD without cracking (for tubes ≤100mm OD in soft temper)
​​Grain Size (Soft Tubes)​​ ASTM E112 / ISO 2624 Min. grain size ​​0.020 mm​​ (ASTM 6.0) for O60/O50 tempers
​​Stress Corrosion (SCC)​​ EN ISO 196 / ISO 6957 Optional: Pass ammonia vapor test (7 days, 35% NH₄OH) for brass alloys
​​Dezincification Resistance²​​ ISO 6509 For brass alloys: Max. depth ​​100 µm​​ (Class B/C requirements vary per alloy)

 

 

EN12449 CuZn20Al2As C68700 Brass Seamless Tube for Power Plants Condenser 0

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