What Are The Steel Pipe Models And Notes For Its Purchases
In the construction, we often use the steel pipe, which has a variety of types, models and uses, so we need to have a certain understanding of the steel pipe model before purchasing. Steel pipes can be used to transport fluid and powdery solid. It can exchange heat energy. It can be used to manufacture mechanical parts and containers. It can be said that it is an economic steel. What are the steel pipe models? What are the steel pipe's purchasing skills? Let's take these questions to understand the steel pipe models!
What are the steel pipe models?
Different countries have different requirements on the steel pipe sizing. For example, in Japan, the sizing range of rebar is 3.5 – 10 meters, while that of domestic rebar is 6 - 12 meters. The spiral steel pipe series with nominal diameter of 8, 10, 12, 16, 20 and 40 mm recommended by the national standard can be selected according to the characteristics of space and actual demand when purchasing.
Notes for steel pipe purchases
1. When you purchase, you should know whether the surface of the whole pipe has luster, whether its color is evenly distributed, whether its inner and outer walls are smooth, and whether there are bubbles, depressions, impurities and other phenomena. You should know that these surface defects will affect its performance to a certain extent.
2. Secondly, we should see whether the product description is complete, whether the pipe body is marked with the relevant manufacturer, brand name, production date, product name, specification and size, executive standard number, etc. in addition abd whether the nominal outer diameters of the steel pipe, pipe series, etc. are clearly visible. Finally, we need to check whether the identification is consistent with the actual situation.
3. Due to the large amount of use of such materials, we should purchase the same brand, the same specification and the same model of steel pipe when purchasing, so as to ensure that its performance and installation can be consistent. This is because the raw materials of different brands of products may be different, which will have adverse effects on the welding of steel pipes and fittings. If it is used for a long time, it is easy to cause leakage at the fusion joint.
4. Finally, we should pay attention to its quality when purchasing. Generally speaking, the standard of good quality material is in high strength and not unbreakable, so we can not judge the quality of steel pipes by whether it can be broken. Because the impact resistance of steel pipes is better than that of real steel pipes, the steel pipe material is easy to be broken, and the steel pipe is often not broken.
What are the steel pipe models?
Different countries have different requirements on the steel pipe sizing. For example, in Japan, the sizing range of rebar is 3.5 – 10 meters, while that of domestic rebar is 6 - 12 meters. The spiral steel pipe series with nominal diameter of 8, 10, 12, 16, 20 and 40 mm recommended by the national standard can be selected according to the characteristics of space and actual demand when purchasing.
Notes for steel pipe purchases
1. When you purchase, you should know whether the surface of the whole pipe has luster, whether its color is evenly distributed, whether its inner and outer walls are smooth, and whether there are bubbles, depressions, impurities and other phenomena. You should know that these surface defects will affect its performance to a certain extent.
2. Secondly, we should see whether the product description is complete, whether the pipe body is marked with the relevant manufacturer, brand name, production date, product name, specification and size, executive standard number, etc. in addition abd whether the nominal outer diameters of the steel pipe, pipe series, etc. are clearly visible. Finally, we need to check whether the identification is consistent with the actual situation.
3. Due to the large amount of use of such materials, we should purchase the same brand, the same specification and the same model of steel pipe when purchasing, so as to ensure that its performance and installation can be consistent. This is because the raw materials of different brands of products may be different, which will have adverse effects on the welding of steel pipes and fittings. If it is used for a long time, it is easy to cause leakage at the fusion joint.
4. Finally, we should pay attention to its quality when purchasing. Generally speaking, the standard of good quality material is in high strength and not unbreakable, so we can not judge the quality of steel pipes by whether it can be broken. Because the impact resistance of steel pipes is better than that of real steel pipes, the steel pipe material is easy to be broken, and the steel pipe is often not broken.
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