Mechanical Properties of Austenitic Stainless Steel S31703 00Cr19Ni13Mo3

Mechanical properties of stainless steel S31703 00Cr19Ni13Mo3

Stainless steel S31703 (00Cr19Ni13Mo3) is an austenitic stainless steel with high mechanical strength, good weldability and excellent corrosion resistance. This austenitic stainless steel is characterized by its high nickel content, which is 13%. The nominal composition of the S31703 (00Cr19Ni13Mo03) is as follows:

Carbon (C): 0.03%

Manganese (Mn): 2.0%

Silicon (Si): 0.75%

Nickel (Ni): 13%

Chromium (Cr): 19.0%

Molybdenum (Mo): 3.0%

Phosphorus (P): 0.035%

Sulfur (S): 0.02%

Stainless steel S31703 (00Cr19Ni13Mo03) exhibit good resistance to corrosive environments. This material is resistant to intergranular corrosion, and its resistance to chloride pitting is similar to that of 316 stainless steel. S31703 (00Cr19Ni13Mo03) has higher contents of nickel and molybdenum compared to its counterparts. This makes it more resistant to corrosion compared to other stainless steel like 304, 321 and 347.

The mechanical properties of stainless steel S31703 (00Cr19Ni13Mo03) are shown in tables below. It has good high yield strength and tensile strength, and its mechanical properties are strongly influenced by its work hardening rate.

Table 1: Yield strength of stainless steel S31703 (00Cr19Ni13Mo03)

Condition Yield strength MPa

Annealed 255-305

Table 2: Tensile strength of stainless steel S31703 (00Cr19Ni13Mo03)

Condition Tensile strength MPa

Annealed 515-690

Table 3: Elongation of stainless steel S31703 (00Cr19Ni13Mo03)

Condition Elongation (%)

Annealed 40-60

The fatigue strength of stainless steel S31703 (00Cr19Ni13Mo03) is important, especially when the component life is long. The fatigue strength of annealed stainless steel S31703 (00Cr19Ni13Mo03) is about 550 MPa for initial stress and 350 MPa for end fatigue, which makes it suitable for components with high fatigue loads.

Stainless steel S31703 (00Cr19Ni13Mo03) is a ferritic stainless steel, and its excellent corrosion resistance and high mechanical strength make it very suitable for applications such as pressure vessels, coupling components, chemical processing equipment, and other applications where high performance is required. In addition, this stainless steel can be welded and formed into various shapes and sizes, so it is also suitable for making complex parts.

In summary, stainless steel S31703 (00Cr19Ni13Mo03) has excellent mechanical properties and corrosion resistance. This material has high yield strength and tensile strength, good fatigue and formability, and is suitable for a range of applications requiring high performance.

INTRODUCTION

Austenitic stainless steel S31703 (00Cr19Ni13Mo3) has high strength and heat resistance. Its chemical components are as follows: 0.04 - 0.08% carbon, 19.00-21.00% chromium, 13.00-15.00% nickel, 3.00-4.00% molybdenum, and 0.10% nitrogen.

MECHANICAL PROPERTIES

In terms of mechanical properties, S31703 austenitic stainless steel has a relatively high elongation of at least 40%, a yield strength of at least 450 MPa, a tensile strength of between 700-900 MPa, and a hardness coefficient of between 187-235HBW. In addition, it has good weldability and excellent corrosion resistance.

CONCLUSION

In conclusion, S31703 austenitic stainless steel has excellent mechanical properties, including good cold and hot workability, good weldability, high strength and heat resistance, a high elongation of at least 40%, a yield strength of at least 450 MPa, a tensile strength of between 700-900 MPa, and a hardness coefficient of between 187-235HBW. It is also highly resistant to corrosion.