Ninthore Overseas is one of the Leading Manufacturer And Exporter of Stainless Steel 317L Washers, which cannot be hardened by heat treatment but they are magnetic. Stainless Steel 317L Flat Washers are sometimes called “non – harden able” and are the most common. SS 317L Lock Washers are alloys of chromium and iron with limited carbon contents that are generally below 0.12 %, where the chromium content can vary from 10.5 % to 30.0 %. Stainless Steel 317L Sealing Washers have good corrosion resistance (particularly to chloride stress corrosion cracking) but are generally not chosen for toughness.
Precipitation hardening Stainless Steel 317L Split Washers develops strength by precipitation hardening reactions as the result of heat treatment. With lower carbon levels, SS 317L Slot Washers have good corrosion resistance and are characterized by ease of fabrication. High strengths in Stainless Steel 317L Machine Washers can be developed at relatively low temperatures (500 Degree C – 800 Degree C) so distortion is minimized.
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The chromium content in Stainless Steel 317L Star Washers is between 12.25 % and 18 %, with nickel levels of 3 % to 8.5 %. Molybdenum in SS 317L Spring Washers some grades is between 2 % and 3 %, with additions of aluminum, copper, rare earth elements and nitrogen. The martensitic structure results when chromium and higher levels of carbon in SS 317L Wire Spring Washers are added to iron.
SS 317L Washer Specifications |
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| Specifications | : | ASTM A193 ASME SA193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | M02 to M33 |
| Size | : | 3 mm to 200 mm |
| Type | : | Flat Washer, Lock Washer, Sealing Washer, Split Washer, Slot Washer, Machine Washer, Star Washer SPRINGS – Wire Spring & Flat Spring |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 317L | 0.035 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.89 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 317L | 1.4438 | S31703 | SUS 317L | – | – | – | X2CrNiMo18-15-4 |
- 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
We at Ninthore Overseas 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.
We at Ninthore Overseas 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
• 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 317L Washers
Ninthore Overseas is one of the Leading Manufacturer And Exporter of Stainless Steel 317L Washers, which cannot be hardened by heat treatment but they are magnetic.
Product Brand: Ninthore Overseas
Product In-Stock: InStock
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