Physical properties of nitrogen-controlled 0Cr19Ni10(304NG)

Physical properties of 0Cr19Ni10 (304NG)

0Cr19Ni10 (304NG) is a stainless steel material that is widely used in construction, kitchen appliances, and other industries. It is composed of 0.08% Carbon, 19.0% Nickel, and 10.0% Chromium, plus other trace elements. It has good corrosion resistance, high temperature strength, good forming property, and weldability, so it is an ideal material for various general-purpose application. This article will analyze the physical properties of 0Cr19Ni10 (304NG) in detail.

Mechanical Properties

0Cr19Ni10 (304NG) has an excellent mechanical properties. Its tensile strength reaches 515 to 785 MPa, yield strength is 205 to 255 Mpa, and elongation value is 32%. 0Cr19Ni10 (304NG) exhibits excellent forming and welding processability, with the best air-tightness performance. Its surface finish condition is excellent, supporting high requirements on strength and wear resistance.

Thermal Properties

0Cr19Ni10 (304NG) has good thermal properties. Its thermal expansion coefficient between 20 ℃ and 200 ℃ is 18.3 millimicron/m. This stainless steel material has good thermal conductivity at a temperature range from 100 ℃ to 600 ℃, of about 15.2 W/m_K. Under normal temperature, 0Cr19Ni10 (304NG) exhibits incredible thermal resistance capacity; its melting temperature can reach up to 1400 degrees Celsius.

Physical and Chemical Properties

0Cr19Ni10 (304NG) has good physical and chemical properties. It has good wear resistance, oxidation resistance, corrosion resistance to dilute sulfuric acid, chromic acid, and nitric acid. 0Cr19Ni10 (304NG) also has excellent heat resistance, which is necessary when using this steel material in building areas. Besides, 0Cr19Ni10 (304NG) is strong, with low thermal conductivity, having the advantages of high cost performance, outstanding strength and toughness.

Conclusion

In conclusion, 0Cr19Ni10 (304NG) is a stainless steel material with excellent mechanical properties, thermal properties, physical and chemical properties. It has good corrosion resistance, high temperature strength, good forming property, and weldability, thus it is an ideal material for various general-purpose application.

0Cr19Ni10 (304NG) is a stainless steel developed as an alternative to 304 stainless steel to resist nitric acid corrosion. It has sufficient nitrogen content in the composition to do so, which also provides some benefits over 304 in terms of mechanical properties.

When compared to 304 stainless steel, 0Cr19Ni10 (304NG) has improved yield strength, elongation and hardness, thanks to the addition of nitrogen. The ultimate tensile strength of 0Cr19Ni10 is also higher than that of 304 stainless steel, exceeding 700MPa in comparison to 550MPa for the 304 counterpart.

With regards to work hardening, 0Cr19Ni10 does not exhibit issues with directional properties due to secondary softening and its tendency for staining or etching is also lower when used in environments with chlorides present.

Other physical properties of 0Cr19Ni10 include a density of 7.93g/cm3, a melting point of around 1400°C and superior thermal and corrosion resistance characteristics. Although primarily used in the manufacture of nitric acid tanks commonly found in the chemical industry, 0Cr19Ni10 also has applications across food processing and heat exchangers.

In conclusion, 0Cr19Ni10 (304NG) is a stainless steel grade providing improved mechanical properties over 304 stainless steel when exposed to highly corrosive nitric acid environments. It offers superior yield strength, elongation and hardness, along with a higher ultimate tensile strength. Furthermore, the thermal and corrosion resistance of 0Cr19Ni10 is also excellent.