C44300, commonly known as Admiralty Brass, with below properties and technical data.
Chemical Analysis:
元素 % | Zn | Cu | Sn | Pb | Fe | As | Others |
规范要求 | Rem | 70.0~
73.0 | 0.9~
1.2 | ≤0.07 | ≤0.06 | 0.02~0.06 | ≤0.3 |
Requirement | max | max | max |
结果
Results | Rem | 70.73 | 1.040 | 0.02 | 0.001 | 0.05 | 0.02 |
Mechanical property:
检测项目 | 屈服强度 | 抗拉强度 | 延伸率 | 洛氏硬度 |
Yield | Tensile | Elongation | HR 30T |
Items | Strenght Rp0.2 | Strength | Rate | |
Mpa | Mpa | % | |
| | (A1 全截面) | (Lo=50mm) | (三点平均值) |
规范要求 | ≥345 | ≥455 | ≥10 | ≥70 |
Requirement | min | min | min | |
结果 Result | 484 | 521 | 21 | 71.7 |
Application:
Marine and Offshore Engineering. C44300 tube is a standard choice for shipboard condenser tubes, seawater cooling lines, desalination plant piping, and subsea valve components。Its resistance to both general seawater corrosion and dezincification makes it suitable for tube bundles in marine heat exchangers
Power Generation. The alloy is widely specified for steam surface condensers in coastal and river-based power stations, as well as feedwater heaters and nuclear plant cooling systems where cooling water chlorides are present。
Petroleum Refining and Chemical Processing. C44300 tube is used in refinery heat exchangers exposed to sulfur-bearing compounds and contaminated cooling waters, and in evaporator tubing, and low-pressure heat-exchange equipment in chemical plants。
Advantages:
High Heat-Transfer Efficiency
Balanced Strength and Formability.
Well-Established Fabrication and Joining Compatibility.
