SUS 309 Stainless steels are high-alloy steels which have higher corrosion resistance compared to other steels due to the presence of large amounts of chromium. Based on their crystalline structure, they are further divided into ferritic, austenitic, and martensitic steels.
SUS 309 stainless steel Chemical Composition:
|
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
|
SUS 309 |
0.20 |
2.00 |
0.045 |
0.030 |
0.75 |
22.00-24.00 |
12.00-15.00 |
SUS 309 stainless steel Mechanical property:
|
Grade |
Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation % |
Hardness |
|
SUS 309 |
620 |
310 |
45 |
147 |
SUS 309 stainless steel is widely used in heat treatment furnace parts, such as: conveyor belt, roller, burner, refractory pad, pipe rack and so on.
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