Alloy Reducer
Abrasion resistant alloy reducer for slurry and bulk material conveying systems.
JM7 rare earth alloy wear-resistant cast pipe has the characteristics of random cutting and welding, convenient installation and so on.
Download PDFThere are two common materials for rare earth alloy wear-resistant casting pipes: jm6 (ZG40CrMnMoNiSiRe) and jm7. Recently, many users will pay more attention to the performance of jm7 rare earth alloy wear-resistant casting pipes? Can it meet your working conditions? So as to further determine the procurement plan.
jm7 rare earth alloy wear-resistant cast pipe has the characteristics of random cutting and welding, convenient installation and so on. In addition, compared with jm6, jm7 rare earth alloy wear-resistant cast pipe has better wear resistance and relatively long service life. However, in terms of welding, many users are prone to poor on-site welding because they do not understand welding technology. This requires manufacturers to provide technical guidance and welding processes to help users better weld.
Therefore, in general, the performance of jm7 rare earth alloy wear-resistant cast pipe is still good. But whether you need jm7 or jm6, you need to keep your eyes open when choosing a manufacturer to avoid the situation where the goods cannot be welded on site and the manufacturer does not solve it, which is time-consuming and labor-intensive, and the gain is not worth the loss. If you have a good welding process recommendation, please leave a message to exchange!
We can customise different kinds of JM7 rare earth alloy wear-resistant pipes according to customers' requirements.
JM7 rare earth alloy is a proprietary wear-resistant material co-developed with Northern Jiaotong University in the 1980s. Through decades of refinement, it has evolved into a full material series capable of meeting diverse service conditions in power plant boilers.
| Grade | C | Cr | Mn | Mo | Ni | Si | W | V | Cu | S ≤ | P ≤ | RE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ZG30Cr15Ni3MoWVCuRe (JM7) |
0.25–0.35 | 12.0–15.0 | 0.60–1.20 | 0.30–0.60 | 2.0–3.0 | 0.80–1.20 | Appropriate | Appropriate | Appropriate | 0.06 | 0.06 | Appropriate |
| Grade | Tensile Strength σb (MPa) |
Impact Toughness ak (J/cm²) |
Yield Strength σs (MPa) |
Abrasive Wear (mg/g) |
Max Operating Temp. (°C) |
Hardness (HRC) |
|---|---|---|---|---|---|---|
|
ZG30Cr15Ni3MoWVCuRe (JM7) |
≥ 480 | ≥ 18 | ≥ 380 | 0.061 | 300 | ≥ 46 |
Mechanical properties are verified by standardized testing to ensure consistent material performance in abrasive and high-temperature service.
Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.
Cast basalt lined steel pipe is composed by lined with cast basalt pipe, outside steel pipe and cement mortar filling between the two layers.
Ceramic tile lined pipes have very uniform coating of specially formulated ceramic material that is affixed to the inner of the pipe.
The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.
Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.
The ASTM A213 T91 seamless tubes are primarily used for boiler, superheater, and heat-exchanger.
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