Knowledge

Stainless steel heat exchange tubes are an important part of the heat exchanger and are mainly used for heat exchange between two media.

There are significant differences between small-diameter and large-diameter stainless steel heat exchanger tubes in terms of fluid resistance, cleaning difficulty and applicable fluids.

Heat exchange tubes play a key role in heat exchangers. Common sizes include seamless steel tubes and stainless steel tubes of Φ19x2, Φ25x2.5, and Φ38x2.5mm.

The thickness of the stainless steel heat exchanger tube is mainly related to the surface temperature, thermal conductivity and crack factors of the stainless steel heat exchanger tube.

The electrochemical rust removal methods for stainless steel heat exchanger tubes mainly include electrolytic polishing and electrolytic rust removal.

316 stainless steel pipe is harder than 304 stainless steel, and 316 stainless steel is also better than 304 stainless steel in terms of corrosion resistance.

The main reasons for welding embrittlement of 304 stainless steel pipes include welding process, welding materials, carbon content and stress concentration.

The surface finish of BA grade stainless steel pipe is one of the important indicators of its quality.

The main chemical composition difference between SS 304 and 316L is the different content of carbon (C) and molybdenum (Mo).

Stainless Steel 316L Pipe is made up of an austenitic stainless steel that has chromium, nickel and molybdenum in its composition with low carbon content than the 316 grade.

304L has better resistance to intergranular corrosion during welding and is suitable for applications with high welding performance requirements. 304 has higher strength and hardness and is suitable f

The main difference between 304 and TP304 is that their standards and compositions are different. 304 is a national standard stainless steel grade, while TP304 is an American standard stainless steel