| OD： | 1/2′ 至 24 | GRADE： | NO8330 |
|---|---|---|---|
| 标准： | ASTM A535 | 是否合金 | 是合金 |
| 强光 | ASTM B535 Seamless Tube， NO8330 ASTM B535 Seamless Tube | ||
ASTM B535 NO8330 Seamless Tube
ASTM B535 NO8330 is a specification for seamless tubes made from a nickel-chromium-molybdenum alloy known as NO8330. This alloy is commonly used in high-temperature and corrosive environments due to its excellent resistance to oxidation and corrosion. The seamless tubes produced in accordance with this specification are typically used in industries such as chemical processing， petrochemical， and power generation. The tubes are manufactured to meet specific dimensional and mechanical properties outlined in the ASTM B535 standard.
Chemical Composition of ASTM B535 N08330
| 要素 | 内容 (%) |
|---|---|
| 铁，Fe | 42 |
| 镍，Ni | 36 |
| 铬，Cr | 19 |
| 锰，Mn | 2 |
| 硅，Si | 1.13 |
| 碳，C | 0.080 |
| 磷，P | 0.040 |
| 硫，S | 0.030 |
机械性能 of ASTM B535 N08330
| 属性 | 公制 | 帝国 |
|---|---|---|
| 拉伸强度，极限值 | 550 MPa | 79800 psi |
| Tensile strength， yield (@0.2%) | 260 兆帕 | 37700 psi |
| 弹性模量 | 197 GPa | 28600 ksi |
| 泊松比 | 0.27 – 0.30 | 0.27 – 0.30 |
| 断裂伸长率（以 50 毫米为单位） | 40% | 40% |
Thermal Properties of ASTM B535 N08330
| 属性 | 公制 | 帝国 |
|---|---|---|
| Thermal expansion co-efficient | 14.4 µm/m°C | 8 µin/in°F |
| 导热性 | 12.5 W/mK | 86.8 BTU in/hr.ft².°F |
Applications of ASTM B535 NO8330 seamless tubes include:
1. Chemical processing: These tubes are widely used in chemical processing industries for handling corrosive chemicals and high-temperature fluids.
2. Oil and gas industry: ASTM B535 NO8330 seamless tubes are used in the oil and gas industry for transporting oil， gas， and other fluids in high-pressure and high-temperature environments.
3. Aerospace industry: These tubes are used in the aerospace industry for manufacturing aircraft components， such as fuel lines， hydraulic systems， and engine components.
4. Power generation: ASTM B535 NO8330 seamless tubes are used in power generation plants for heat exchangers， boilers， and steam turbines.
5. Automotive industry: These tubes are used in the automotive industry for manufacturing exhaust systems， fuel lines， and other components that require high corrosion resistance and heat resistance.
6. Pharmaceutical industry: ASTM B535 NO8330 seamless tubes are used in the pharmaceutical industry for manufacturing process equipment， such as reactors， heat exchangers， and storage tanks.
