Sachiya Steel International is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 317 Nuts And Bolts, which contain sufficient chromium to undergo passivation, forming an inert film of chromium oxide on the surface. Since iron oxide has lower density than Stainless Steel 317 Hex Head Bolts, the film expands and tends to flake and fall away. This layer prevents further corrosion by blocking oxygen diffusion to the surface of Stainless Steel 317 Hex Head Nuts and stops corrosion from spreading into the bulk of the metal.
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Passivation in Stainless Steel 317 Square Bolts occurs only if the proportion of chromium is high enough and oxygen is present in it. Resistance to corrosion and staining, low maintenance, and familiar lustre make Stainless Steel 317 Square Nuts an ideal material for many applications. Stainless Steel 317 Eye Bolts is used in cookware, cutlery, household hardware, surgical instruments, major appliances, industrial equipment (for example, in sugar refineries).
Storage tanks and tankers used to transport orange juice and other food are often made of Stainless Steel 317 Eye Nuts, because of its corrosion resistance. High oxidation resistance of Stainless Steel 317 U-Bolts in air at ambient temperature is normally achieved with addition of a minimum of 13 % (by weight) chromium, and up to 26 % is used for harsh environments. Stainless Steel 317 Wing Nuts is also used as an automotive and aerospace structural alloy and construction material in large buildings.
SS 317 Bolt/Nut Specifications
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| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
317 Stainless Steel Bolt/Nut Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 317 | min. | – | – | – | – | – | 18.0 | – | 11.0 | – |
| max. | 0.8 | 2.0 | 1.00 | 0.040 | 0.03 | 20.0 | 14.0 | – | ||
Stainless Steel 317 Bolt/Nut Mechanical Properties
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 317 | 515 | 205 | 35 | 95 | 217 |
Stainless Steel 317 Bolt/Nut Physical Properties
| Grade | Density (kg/m3) | 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) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 317 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Equivalent Grades for 317 Stainless Steel Bolt/Nut
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 317 | S31700 | – | – | 1.4449 | – | – | – |
SS 317 Bolt/Nut Application Industries
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Condensers
- Pulp and Paper Industry
317 Steel Bolt/Nut Test Certificates
We at Sachiya Steel International provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
Material Testing
We at Sachiya Steel International ensure that all our materials go through strict quality tests before dispatching them to our clients.
• Mechanical Testing Such as Tensile of Area
• Hardness Test
• Chemical Analysis – Spectro Analysis
• Positive Material Identification – PMI Testing
• Flattening Test
• Micro and Macro Test
• Pitting Resistance Test
• Flaring Test
• Intergranular Corrosion (IGC) Test
Documentation
• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)
Stainless Steel 317 Nuts
Sachiya Steel International is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 317 Nuts And Bolts, which contain sufficient chromium to undergo passivation, forming an inert film of chromium oxide on the surface. Since iron oxide has lower density than Stainless Steel 317 Hex Head Bolts, the film expands and tends to flake and fall away.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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