Alloys 309 and 309S are used exclusively for their high temperature oxidation resistance, excellent high temperature strength, along with their resistance to creep deformation and environmental attack. Some examples include, but are not limited to: Heating elements. Aircraft and jet engine parts.
309S Stainless Steel Channel Specification
| Product Name | Universal Steel Profile Column H Beam or I Beam | C Channel |
| Sizes | 1.Web Width (H): 100-900mm | a) Outer Diameter: 0 - 3048 mm |
| 2.Flange Width (B): 100-300mm | b) Thickness: 0.5~75mm | |
| 3. Web Thickness (t1): 5-30mm | c) Length: 1-12m | |
| Length | 9m 12m or Customized | |
| Standard | JIS EN ASTM GB ,ect. | |
| Material | Q235B Q345B Q420C Q460C SS400 SS540 S235 S275 S355 A36 A572 G50 G60 | |
| 304,304L,309S,310S,316,316Ti,317,317L,321,347,347H,304N,316L, 316N,201,202 | ||
| Technique | Hot / Cold Rolled | |
| Application | Construction structure | |
| Packing | In bundle fasten by steel strip | |
| Supply Ability | 1000 tons per day | |
| Payment | TT LC DP | |
| Surface | Polishing,annealing,pickling,bright | |
| Machining | Custom, Kaiping, cutting, pattern | |
309S Stainless Steel Chemical Composition
| Element | Content (%) |
|---|---|
| Iron, Fe | 60 |
| Chromium, Cr | 23 |
| Nickel, Ni | 14 |
| Manganese, Mn | 2 |
| Silicon, Si | 1 |
| Carbon, C | 0.20 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
309S Stainless Steel Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 620 MPa | 89900 psi |
| Yield strength (@ strain 0.200%) | 310 MPa | 45000 psi |
| Izod impact | 120 – 165 J | 88.5 – 122 ft-lb |
| Shear modulus (typical for steel) | 77 GPa | 11200 ksi |
| Elastic modulus | 200 GPa | 29008 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 45% | 45% |
| Hardness, Brinell | 147 | 147 |
| Hardness, Rockwell B | 85 | 85 |
| Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
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