EN 1092-1 weld neck flange is a type of flange that is connected to pipes or other equipment by welding. EN 1092-1 is the European standard document for flanges and their fittings. The weld neck flange section specifies the design, dimensions, materials, marking and other requirements of butt-weld flanges, aiming to ensure the interchangeability and quality stability of weld neck flanges produced by different manufacturers in the European market.

EN10215-2 seamless steel tube applies to seamless steel tubes used under pressure conditions, including non-alloy steel and alloy steel seamless tubes with specified room temperature yield strength and tensile strength. These steel tubes can be used in a variety of applications, such as pressure systems in mechanical engineering, construction engineering, oil and gas industry, and other industrial fields.

DIN 17175 is the standard for "seamless steel pipes for pressure, technical delivery conditions" in the German industrial standard. The following is a detailed introduction to DIN 17175 seamless pipes.DIN 17175 seamless pipes are suitable for pressure-bearing pipeline systems in multiple industries, such as petrochemicals, electric power, machinery manufacturing, etc.

DIN 2605 elbow is a pipe fitting that complies with the German Industrial Standard (DIN). The DIN 2605 standard specifically stipulates detailed requirements for elbow pipe fittings,The DIN 2605 standard specifically stipulates detailed requirements for elbow pipe fittings, including the size, tolerance, material, manufacturing process, inspection method and other aspects of the elbow.

SMO 254 material is a very high end austenitic stainless steel. It is designed with a combination of impact toughness resistance to chloride stress corrosion cracking, and pitting and crevice corrosion with strength that is twice that of the stainless steel 300 series.

304 stainless steel pipe fittings are a general term for various pipe fittings made of 304 stainless steel. 304 stainless steel is a universal stainless steel material, belonging to austenitic stainless steel, with good corrosion resistance, heat resistance, low temperature strength and mechanical properties.