Nascent Pipe & Tubes is one of the pioneer manufacturing houses of Stainless Steel 317L Fasteners (Screws), which are finished in an AOD vessel and the carbons levels are generally low due to the absence of oxygen.
Generally manganese is added to Stainless Steel 317L Hex Head Screws to assist in de – oxidation, during melting, and to prevent the formation of iron sulphide inclusions which can cause hot cracking problems. Stainless Steel 317L Socket Head Cap Screws is also an “austenite” stabilizer and when added in higher levels (from 4 % to 15%) replace some of the nickel in stainless steel grades.
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Stainless Steel 317L Screw Manufacturers in India, Stainless Steel 317L Screw Suppliers in India, Stainless Steel 317L Screw Stockists in India, Stainless Steel 317L Screw Exporters in India
Titanium is the main element used to stabilize Stainless Steel 317L Socket Set Screws before the use of AOD (Argon-Oxygen Decarburization) vessels. When Stainless Steel 317L Anchore Screws is melted in air, it is difficult to reducing the carbon levels. Stainless Steel 317L Blind Rivet Screws is allowed to have a maximum carbon level of 0.15 %. At this high level, something was needed to stabilize the carbon in Stainless Steel 317L Concrete Screws and titanium was the most common way.
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Titanium will react with the carbon to form titanium carbides in Stainless Steel 317L Threaded Screws and prevent the formation of chrome carbides that could affect the formation of the “passive” layer. The higher the chromium levels in Stainless Steel 317L Steel Shoulder Screws, the greater the protection.
SS 317L Screws Specifications
|| ASTM A 193 ASME SA 193
|| IS, ASTM, BS and all International Standards
|| 3 mm to 200 mm
||M3 – M33
||Hex Head Screw, Socket Head Cap Screw, Socket Set Screws, Anchor Screw, Blind Rivet, Concrete screw, Threaded Screw, Steel Shoulder Screw, Panel Screw, Machine Screw.
317L Stainless Steel Screw Chemical Composition
Stainless Steel 317L Screw Mechanical Properties
||Tensile Strength (MPa) min
||Yield Strength 0.2% Proof (MPa) min
||Elongation (% in 50mm) min
|Rockwell B (HR B) max
||Brinell (HB) max
Stainless Steel 317L Screw Physical Properties
||Elastic Modulus (GPa)
||Mean Coefficient of Thermal Expansion (m/m/0C)
||Thermal Conductivity (W/m.K)
||Specific Heat 0-1000C (J/kg.K)Electrical Resistivity (n.m)
||Electrical Resistivity (n.m)
Equivalent Grades for 317L Stainless Steel Screw
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