Stainless steel 309 Flanges are very robust and malleable. The austenitic metal used to make stainless steel 309 flanges also contains significant levels of nickel and chromium. This grade of stainless steel flanges offers significant strength at high temperatures. These flanges have good oxidation resistance, high damage tolerance, and ductility characteristics at high temperatures. Alloys 309S Flanges are extremely corrosion resistant, have remarkable durability against oxidation, and have superior thermal resistance while offering good strength at low and high temperatures because of their substantial chromium and nickel content. The carbon content is the sole important distinction between 309 and 309S. Because Alloy 309S has significantly less carbon, carbide precipitation is reduced, and weldability is increased.
Grade 309 flanges can endure extreme heat, inclement weather, and chloride-rich environments. These materials are the name of a family of corrosion-resistant steels, not a single substance. Depending on the diverse capabilities, an extensive range of Stainless Steel 309 Flanges are available in different diameters, wall thicknesses, and ranges of measures. Since SS 309 Flanges can be reinforced at 1038 degrees Celsius before being extinguished in water, they also protect the marine environment. The flanges are a necessary component of modern life and are used incommercial applications, such as automotive headers, food manufacturing lines, and mechanical parts.Because of their tensile strength, damage tolerance, and simplicity of maintenance, stainless steel flanges are the ideal material for various applications. Additionally, it is 100% recyclable and has a long-life cycle.
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Stainless Steel 309 Flanges Manufacturers in India, Stainless Steel 309 Flanges Suppliers in India, Stainless Steel 309 Flanges Stockists in India, Stainless Steel 309 Flanges Exporters in India
A wide collection of 309 Stainless Steel Slip on Flanges are available in different range of widths, different sizes and different wall breadth depending on the dissimilar functions. SS 309 Flanges delivers resistance to Marine atmosphere as well because they are annealed at 1038 degree centigrade followed by quenching in water. They have high weldability and high chromium but low Nickel content makes them cost-effective.
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Specifications For Stainless Steel 309 Flanges
| Specifications |
Details |
| Grade |
Stainless Steel 309 | UNS S30900 |
| Standard |
ASTM A182, ASME SA182 |
| Dimensions |
ANSI / ASME B16.5, B16.47 Series A & B, B.16.48, BS4504, BS10, DIN, EN-1092, MSS SP44 |
| Size |
1/2" - 48" (15NB - 1200NB) |
| Class / Pressure Rating |
150 Class, 300 Class, 718 Class, 900 Class, 1500 Class, 2500 Class, PN6, PN10, PN16, PN25, PN40, PN64, etc. |
| Form |
Slip on Flanges (SORF), Threaded Flanges, Weld neck Flanges (WNRF), Blind Flanges, Socket weld Flanges, Lap Joint Flanges, Ring Type Joint Flanges, Spectacle Blind Flanges, Spacer Ring Flanges, Long weld Neck Flanges, Nipo Flange, Nipolet Flanges, Plate Flanges, Flat Flange, Orifice Flanges, Forged Flanges |
| Flange Face Type |
Flat Face (FF), Raised Face (RF), Ring Type Joint(RTJ) |
309 Stainless Steel Flanges Chemical Composition
| Grade |
SS 309 |
| C |
0.20 max |
| Ni |
12.0 – 15.0 |
| Si |
0.75 max |
| S |
0.03 max |
| Mn |
2.00 max |
| P |
0.045 max |
| Cr |
22.0 – 24.0 |
| Mo |
– |
Mechanical Properties of 309 Stainless Steel Flanges
| Grade |
SS 309 |
| Tensile Strength (MPa) min |
515 |
| Yield Strength 0.2% Proof (MPa) min |
205 |
| Elongation (% in 50mm) min |
40 |
| Hardness |
Rockwell B (HR B) max |
85 |
| Rockwell (HB) max |
147 |
SS 309 – Equivalent Grades
| STANDARD |
SS 309 |
| WERKSTOFF NR. |
1.4828 |
| UNS |
S30900 |
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