Stainless Steel 309 Coils contain a large amount of chromium compared to other stainless steel, offer higher corrosion & oxidation resistance.
Type 309 S Alloy mainly divided into austenitic, ferrite and martensitic steels. These SS Coils also possess higher tensile strength and toughness compared to 304 SS due to more chromium.
Types 309 Stainless Steel and 309S are austenitic chromium-nickel stainless steels that provide excellent corrosion resistance and heat resistance plus good strength at room and elevated temperatures. Type 309S Stainless Steel is identical to Type 309 except for a lower carbon content that minimizes carbide precipitation and improves weld ability. They are essentially nonmagnetic as annealed and become lightly magnetic when cold worked.
Element | Chromium | Nickel | Carbon | Manganese | Phosphorus | Sulfer | Silicon | Iron |
309S | 22.0 min.-24.0 max. | 12.0 min.-15.0 max. | 0.08 | 2 | 0.045 | 0.03 | 0.75 | Balance |
Type | Yield Strength 0.2% offset (KSI) | Tensile Strength (KSI) | % Elongation (2″ Gauge length) |
309S | 30 min. | 75 min. | 40 min. |
STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
SS 309 | 1.4828 | S30900 | SUS 309 | – | – | – | – |
Properties | Metric | Imperial |
---|---|---|
Tensile strength, ultimate | 620 MPa | 89900 psi |
Tensile strength, yield (0.2%) | 310 MPa | 45000 psi |
Izod impact | 120 - 165 J | 88.5 - 122 ft-lb |
Modulus of elasticity | 200 GPa | 29000 ksi |
Shear modulus | 77 GPa | 11200 ksi |
Poissons ratio | 0.3 | 0.3 |
Elongation at break (in 50 mm) | 45% | 45% |
Hardness, Brinell (converted from Rockwell B hardness) | 147 | 147 |
Hardness, Knoop (converted from Rockwell B hardness) | 164 | 164 |
Hardness, Rockwell B | 85 | 85 |
Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
309S is suitable for many industries, such as: automobile, railway transportation, construction, building construction, chemical petrochemical, pharmaceutical.
Also suitable for: energy and power, oil and gas industry, kitchen and food processing industry, plumbing and overhead water tanks.
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We are a well known worldwide supply and export 300 series stainless steel coil in following countries:,Italy, Philippines, France,Ireland, Portugal, Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Libya, Romania, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Ghana, Slovakia, Germany, Saudi Arabia, Afghanistan, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece, Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus, Finland, Gabon, Iran, Canada, Argentina, Lebanon.