Description

Product Description

Stainless steel heat exchanger tube play a crucial role in various industrial applications where efficient heat transfer is essential. Heat exchanger tubes are specifically designed to transfer heat between two fluids (usually a hot fluid and a cold fluid) without allowing them to mix. Stainless steel is a popular choice for heat exchanger tubes due to its corrosion resistance, high-temperature strength, and durability.

Chemical Composition Stainless Steel Heat Exchanger Tube

Element	304	304L	316	316L	321
Carbon (C)	≤ 0.08%	≤ 0.03%	≤ 0.08%	≤ 0.03%	≤ 0.08%
Manganese (Mn)	≤ 2.00%	≤ 2.00%	≤ 2.00%	≤ 2.00%	≤ 2.00%
Silicon (Si)	≤ 1.00%	≤ 1.00%	≤ 1.00%	≤ 1.00%	≤ 1.00%
Phosphorus (P)	≤ 0.045%	≤ 0.045%	≤ 0.045%	≤ 0.045%	≤ 0.045%
Sulfur (S)	≤ 0.030%	≤ 0.030%	≤ 0.030%	≤ 0.030%	≤ 0.030%
Chromium (Cr)	18.0-20.0%	18.0-20.0%	16.0-18.0%	16.0-18.0%	17.0-19.0%
Nickel (Ni)	8.0-10.5%	8.0-12.0%	10.0-14.0%	10.0-14.0%	9.0-12.0%
Molybdenum (Mo)	-	-	2.0-3.0%	2.0-3.0%	-
Nitrogen (N)	-	-	-	-	-
Titanium (Ti)	-	-	-	-	≥ 5(C+N)%

Mechanical Properties Stainless Steel Heat Exchanger Tube

Property	304	304L	316	316L	321
Tensile Strength (MPa)	515 - 750	485 - 700	515 - 750	485 - 700	515 - 750
Yield Strength (0.2% MPa)	205 - 350	170 - 310	205 - 350	170 - 310	205 - 350
Elongation (% in 50mm)	≥ 40	≥ 40	≥ 40	≥ 40	≥ 40
Hardness (Brinell HB)	≤ 201	≤ 201	≤ 217	≤ 217	≤ 217
Hardness (Rockwell B)	≤ 92	≤ 92	≤ 95	≤ 95	≤ 95
Modulus of Elasticity (GPa)	193 - 200	193 - 200	193 - 200	193 - 200	193 - 200
Thermal Conductivity (W/m·K)	16.2	16.2	16.3	16.3	16.0
Density (g/cm³)	7.90	7.90	7.99	7.99	7.92

Conclusion

Stainless Steel Heat Exchanger Tubes by Emirerri Steel offer an unparalleled combination of durability, performance, and efficiency. The tables provided highlight the critical chemical and mechanical properties of various stainless steel grades, ensuring that our products meet the stringent demands of diverse industrial applications.