309S stainless steel rod will not corrode, pitting or rust. Because of its good corrosion resistance, it enables structural components to permanently maintain the integrity of the engineering design. In addition, it has good mechanical strength and elongation, easy to manufacture parts, so it meets the needs of architects and structural designers.
1、Product Description
(1)Chemical composition of 309S stainless steel rod
| % | C | Cr | Mn | P | S | Ni | Si |
| Min | - | 22.0 | - | - | - | 12.0 | - |
| Max | 0.08 | 24.0 | 2.0 | 0.045 | 0.03 | 15.0 | 1.0 |
(2)Physical performance of 309S stainless steel rod
tensile strength σb (MPa) | yield strength σ0.2 (MPa) | elongation percentage δ5 (%) | contraction of cross sectional area ψ (%) |
| ≥515 | ≥205 | ≥40 | ≤50 |
2、309S stainless steel rod’s processing requirement
309S stainless steel rod processing is difficult. The chips produced during processing are thin and hard and retain considerable ductility. Therefore, the props for processing should be kept sharp and hard. For hardened areas, deep and slow cuts are generally used. Due to its low thermal conductivity and high coefficient of thermal expansion, heat removal and dimensional tolerances must be considered during cutting and machining.
309S stainless steel rod can be formed by bending, drawing forming, rolling forming, hammering forming, flaring processing, rotation, fine pumping, hydroforming and other methods to achieve cold forming. In the process of processing, it is easy to harden, so in the process of processing to increase the power of processing. This means the use of more powerful forming equipment.
3、Wide application areas of 309S stainless steel rod
309S stainless steel rod generally exhibits good high temperature strength, resistance to creep and environmental corrosion. Therefore, it is widely used in heat treatment industry furnace parts, such as, conveyor belt, drum, furnace head, refractory plate, pipe hanger and so on. Sometimes it is also used in the chemical processing industry to carry hot concentrated acids, ammonia and disulphides. In the food processing industry, it is commonly used in contact with thermoacetic acid and citric acid.
4、Development prospect of 309S stainless steel rod
The 309S stainless steel rod has become one of the most cost-effective materials chosen by architects because it has many of the desired properties required by building materials. Moreover, in order to meet the stringent requirements of advanced architectural applications, new stainless steels are being developed alongside improvements to existing types. Due to the continuous improvement of production efficiency and quality.
309S stainless steel rod combines good performance, appearance and use characteristics, so it will remain one of the best building materials in the world.
