Ninthore Overseas is one of the Leading Manufacturer And Exporter for Stainless Steel 904L Washers, which is similar to Alloy 904, but has more strength and hardness. Stainless Steel 904L Flat Washers can be hardened through heat treatment, which brings good ductility for metal fabricators as well as excellent polishability. Application of SS 904L Lock Washer could result in real cost savings when carefully compared to higher – cost alloys to determine if the necessary resistance is obtained in the chosen media. Stainless Steel 904L Sealing Washer has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulphuric, phosphoric, and nitric acids.
SS 904L Split Washers also contains niobium for stabilization against sensitization and resultants inter – granular corrosion, where this transformation is not complete until the temperature drops to 90 Degree F. Restricted carbon plus columbium stabilization of Stainless Steel 904L Slot Washers permits welded fabrications to be used in corrosive environments, normally without post – weld heat treatment. SS 904L Machine Washers appears to fall between both the stainless and nickel categories as it contains characteristics of both.
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We supply Stainless Steel 904L Star Washer for a variety of applications and will help in determining the precise amount for your current project. Although SS 904L Spring Washers was designed for use in sulphuric acid related industries; it finds wide usage throughout the chemical processing industry.
SS 904L 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 | Cu | |
| 904L | min. | – | – | – | – | – | 19.0 | 4.0-5.0 | 23.0 | 1.0 |
| max. | 0.20 | 2.0 | 1.0 | 0.045 | 0.035 | 23.0 | 28.0 | 2.0 | ||
| 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 | ||||
| 446 | 490 | 220 | 35 | 70-90 typical | – |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
- 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 904L Washers
Ninthore Overseas is one of the Leading Manufacturer And Exporter for Stainless Steel 904L Washers, which is similar to Alloy 904, but has more strength and hardness.
Product Brand: Ninthore Overseas
Product In-Stock: InStock
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