347 Stainless Steel Screws
F594 Type 347, F836 Type 347, 347, S34700, X6CrNiNb18-10
347 Stainless Steel Screws are austenitic stainless steel screws manufactured from alloy containing chromium, nickel, molybdenum and nitrogen with restricted carbon content. Stainless Steel 347 Screws are used for corrosive environments. TorqBolt is an eminent 347 Stainless Steel screws supplier in India.
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347 Stainless Steel Screws Properties
347 Stainless Steel Screws Classification
| Alloy Grade | UNS Designation |
|---|---|
| ASTM F2281 347 Type II | S34700 |
347 Stainless Steel Screws Chemical Requirements
| Alloy | C | Mn | P | S | Si | Cr | Ni | Cu | Mo | Other |
|---|---|---|---|---|---|---|---|---|---|---|
| ASTM F2281 347 Type II | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | . . . | . . . | Cb + Ta 10 x C min |
347 Stainless Steel Screws Mechanical Requirements
Mechanical Property Requirements at Room Temperature
| 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 347 Type II, Class A | A | F2D | All diameters | 75 | 30 | 85 to 95 HRB | 75 | 30 | 30 |
347 Stainless Steel Screws Heat Treatment
| Alloy Grade | Safe Scaling Temperature at Continuous Service Application | Safe Scaling Temperature at Continuous Service Application |
|---|---|---|
| ASTM F2281 347 Type II | 1600°F (871°C) | 1650°F (871°C) |