Product News
-
What is the purpose of preheating spiral welded steel pipes before welding
Important components of alloy steel and thick parts must be preheated before welding spiral welded steel pipes. The purposes of preheating spiral welded steel pipes before welding are as follows: (1) Preheating the spiral welded steel pipe slows down the cooling rate after welding, allowing hydro...Read more -
What are the details of Q390D straight seam steel pipe processing
First, what are the raw material preparations for Q390D straight seam steel pipe processing? (a) Material selection requirements: The processing of Q390D straight seam steel pipes begins with strictly selecting steel plates or strips that meet Q390D standards. Q390D steel is a low-alloy high-stre...Read more -
How to Determine the Length, Cutting, and Selection Techniques of Cold-Drawn Steel Pipes
First, what is the significance of determining the length of cold-drawn steel pipes? In the field of precision machinery manufacturing, the processing quality of cold-drawn steel pipes directly determines the performance stability of the final product. An unreasonable length determination can eas...Read more -
What are the precautions for welding the stainless steel pipes
When welding stainless steel pipes, the following points should be noted: 1. Clean the surface of the steel pipe: Before welding, ensure the surface of the steel pipe is clean, free of oil, dust, and oxides. 2. Select suitable welding materials: Generally, the same stainless steel material as the...Read more -
What are the properties of 09CrCuSb seamless steel pipe
First, the core characteristics of 09CrCuSb seamless steel pipe: (1) Resistance to sulfuric acid dew point corrosion 1) Chemical mechanism: By adding alloying elements such as copper (Cu 0.25-0.45%) and antimony (Sb 0.04-0.10%), a dense oxide film is formed on the steel surface, effectively block...Read more -
What are the production and processing details of S355J2H seamless steel pipe
First, what are the steelmaking details of S355J2H seamless steel pipe? 1) Raw material selection and proportioning for S355J2H seamless steel pipe: The first step in producing S355J2H seamless steel pipe is to carefully select raw materials. The main raw materials are molten iron and scrap steel...Read more