Sachiya Steel International is One Of The Leading Manufacturer And Exporter Of High Quality Stainless Steel 316 Bolts And Nuts, which is being offered at affordable rates and in customized options for our esteemed clients. The welded corners of Stainless Steel 316 Hex Head Bolts typically rust whereas the bulk of the exposed stainless is untouched. Stainless Steel 316L Hex Head Nuts has lower carbon such that when welded the chromium carbide that forms does not deplete the chromium to the point where the corrosion of the stainless is deleteriously impacted. There does not seem to be a clear reason for this in Stainless Steel 316 Square Bolts and the differences are probably associated with the lower strength of the low carbon type.
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The low carbon type in Stainless Steel 316L Square Nuts may be easier to shape and form, which in turn may also affect the levels of residual stress left the steel after is forming and fitting up for welding. This may result in the ‘standard’ types of Stainless Steel 316 Eye Bolts needing more force to hold them in position once fitted – up for welding, with more of a tendency to spring – back if not properly held in place.
The welding consumables for Stainless Steel 316L Eye Nuts are based on a low carbon composition, to avoid inter – crystalline corrosion risk in the solidified weld nugget or from the diffusion of carbon into the parent (surrounding) metal.
SS 316/316L 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. |
316 – 316L Stainless Steel Bolt/Nut Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316 – 316L | min. | – | – | – | – | – | 16.0 | 2.0 | 10.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.0 | 14.0 | 0.10 | |
Stainless Steel 316 – 316L 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 | ||||
| 316 – 316L | 515 | 205 | 40 | 95 | 217 |
Stainless Steel 316 – 316L 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 | |||||
| 316 – 316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
SS 316/316L 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
316/316L 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 316 Bolts
Sachiya Steel International is One Of The Leading Manufacturer And Exporter Of High Quality Stainless Steel 316 Bolts And Nuts, which is being offered at affordable rates and in customized options for our esteemed clients. The welded corners of Stainless Steel 316 Hex Head Bolts typically rust whereas the bulk of the exposed stainless is untouched. Stainless Steel 316L Hex Head Nuts has lower carbon such that when welded the chromium carbide that forms does not deplete the chromium to the point where the corrosion of the stainless is deleteriously impacted. There does not seem to be a clear reason for this in Stainless Steel 316 Square Bolts and the differences are probably associated with the lower strength of the low carbon type.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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