309 Stainless Steel Bolts
F2281 Type 309, 1.4833, 309, S30909, X7CrNi23-14
309 Stainless Steel Bolts are austenitic stainless steel bolts manufactured from alloy containing chromium and nickel. Stainless Steel 309 Bolts are used for low temperature service and highly corrosive environments. TorqBolt is an eminent 309 stainless steel bolts supplier in India.
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309 Stainless Steel Bolts Properties
309 Stainless Steel Bolts Classification
| Alloy Grade | UNS Designation |
|---|---|
| ASTM F2281 309 Type II | S30900 |
309 Stainless Steel Bolts Chemical Requirements
| Alloy | C | Mn | P | S | Si | Cr | Ni | Cu | Mo | Other |
|---|---|---|---|---|---|---|---|---|---|---|
| ASTM F2281 309 Type II | 0.20 | 2.00 | 0.045 | 0.030 | 1.00 | 22.0-24.0 | 12.0-15.0 | . . . | . . . | . . . |
309 Stainless Steel Bolts Mechanical Requirements
| Alloy Grades | Condition | Marking | Nominal Diameter, in. | Full-Size Tests | Rockwell Hardness | Machined Specimen Tests | |||
|---|---|---|---|---|---|---|---|---|---|
| Tensile Strength, min, ksi | Yield Strength, min, ksi | Tensile Strength, min, ksi | Yield Strength, min, ksi | Elongation 4D, min % | |||||
| ASTM F2281 309, 310 Type II, Class A | A | F2A | All diameters | 75 | 30 | 85 to 95 HRB | 75 | 30 | 30 |
| CWA | F2B | All diameters | 75 | 30 | 65 to 95 HRB | 75 | 30 | 30 | |
| HWA | F2C | All diameters | 75 | 30 | 65 to 95 HRB | 75 | 30 | 30 | |
309 Stainless Steel Bolts Heat Treatment
| Alloy Grade | Safe Scaling Temperature at Continuous Service Application | Safe Scaling Temperature at Continuous Service Application |
|---|---|---|
| ASTM F2281 309 Type II | 2000°F (1093°C) | 1850°F (1010°C) |