Stainless steel 304h pipe

Stainless Steel 304H Pipe

What is stainless steel 304h pipe?

Stainless steel pipes are used in different applications. The grades maintain certain compositional mixtures and the qualities of the pipes are determined by the compositions. The 304 is one of the most used pipe grades and it has chromium and nickel in the composition. Depending on the carbon content, it can be classified into 304L and 304H. The stainless steel 304h pipe has more carbon content up to 0.1% whereas the 304L has only 0.03%. The high carbon content also makes the pipes stronger and tougher while reducing ductility.

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Stainless Steel 304h Pipe Specification

Stainless Steel 304h Pipe Properties

Stainless steel 304 vs 304h pipe

304h ss pipe has up to 20% nickel to improve the strength and up to 18% chromium to improve the strength of the pipe. It can be used in applications where the 304 cannot be used due to lack of strength. The 304h ss pipe also has a higher hardness of 201 HB. with an elongation rate of 40% and a tensile strength of 515MPa, the 304H is much stronger and harder than the 304.

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What are 304h stainless steel pipe temperature limits?

304h stainless steel pipe can be operational in temperatures up to 300°C. The metal has high heat conductivity and a low coefficient of thermal expansion. The strength of the material increases up to 950°C and then starts dropping. However, the ss 304h Seamless Pipe can also perform under cryogenic temperatures up to -50°C.

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SS 304h vs 304l

304h pipe has the highest carbon content, making it the strongest variation with high toughness. However, it is difficult to weld on the ss 304h Welded Pipe due to the high carbon content. The 304 on the other hand has only 0.03% low carbon. Due to this fact, it can be welded well. The Grade 304H ERW Pipe comes in various sizes and shapes. The rectangular pipes have more strength as well.

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What is stainless steel 304h seamless pipe density?

The density of an alloy depends on the alloying materials or the chemical composition of the pipes. The density of the Stainless Steel 304h Seamless pipe is 8000kg/m3. Due to their density, these pipes are not suitable for lightweight applications.

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Is a brushed finish better than a 2b finish on stainless steel grade 304h pipe?

No, the reason to select a different finish depends on the needs and the customers’ decision. The 304h stainless steel pipe can be polished with a 2b polish which involves cold annealing, pickling, or descaling of the metallic surface. The brush polish involves polishing the surface with a grit of a specific scale with a belt or pad. The stainless steel grade 304h pipe gets a milky shine due to the brush finish. It reduces the surface roughness up to 0.5µm.