310S is austenitic chromium-nickel stainless steel with good oxidation resistance and corrosion resistance. Because of the higher percentage of chromium and nickel, 310S has much better creep strength, can work continuously at high temperatures, and has good high temperature resistance.

1. Recommended heat treatment system: 1030 degrees Celsius -1180 degrees Celsius, rapid cooling;
2. Mechanical properties include
(1.) Tensile strength: not less than 520;
(2.) Provision of non-proportional extension strength: not less than 205;
(3.) Elongation after breaking: not less than 35;
3. Density: 7.98

The process flow of the 310S stainless steel bar production line: 

billet acceptance → heating → rolling → double-length cutting → cooling → cutting → inspection → packaging → measurement → storage.

310S Stainless Steel Overview:

310S stainless steel is austenitic chromium-nickel stainless steel. It has good oxidation resistance and corrosion resistance of 310S stainless steel. Because of the higher percentage of chromium and nickel, it has much better creep strength and can continue to operate at high temperatures. Good high temperature resistance. Due to the high content of nickel (Ni) and chromium (Cr), it has good oxidation resistance, corrosion resistance, acid and alkali resistance, and high temperature resistance. High temperature resistant steel pipes are specially used to manufacture electric furnace tubes. The austenitic stainless steel adds carbon After the content, the strength is improved due to its solid solution strengthening effect. The chemical composition of austenitic stainless steel is based on chromium and nickel with the addition of elements such as molybdenum, tungsten, niobium, and titanium. Because of its face-centered cubic structure, Therefore, it has high strength and creep strength at high temperature.

As an important material in the aerospace and chemical industries, 310S heat-resistant stainless steel is widely used in high-temperature environments. High-temperature oxidation is the most common and most important form of corrosion damage at high temperatures. Therefore, the research and development of new materials with high-temperature oxidation resistance has far-reaching significance for my country's aviation industry, chemical industry and national defense.

Chemical Composition & Mechanical Properties:

C :≤0.08，Si :≤1.500，Mn :≤2.00，P :≤0.035，S :≤0.030，Ni :≤19.00-22.00，Cr :≤24.00-26.00

Tensile strength (бb) (Mpa): ≥520
Yield strength (σs) (Mpa): ≥205
Area reduction (ψ)%: ≥50

ób(MPa)≥520, ó0.2(MPa)≥205, δ5(%)≥40, Ψ(%)≥50, HB≤187 It can withstand high temperature above 1150℃.
Density7.98g/cm3, melting point is 1398℃~1454℃

Application:

The maximum working temperature of 310S stainless steel is 1200 ℃, and it can be continuously operated at a temperature of 1150 ℃. The main purpose is to manufacture exhaust pipes, microwave ovens, high-temperature furnaces, cremation furnaces and other steels that require heat resistance, as well as high-heat and high-temperature contact parts.

310S heat-resistant stainless steel can also be used as an important manufacturing material in the aerospace and chemical industries. These components are mainly adapted to high-temperature environments.