Sachiya Steel International is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 304 Washers, which is the family of steels that have a mixed micro – structure of 50 % ferrite and 50 % austenite. Ferritic – austenitic stainless steel also referred to as Stainless Steel 304 Flat Washers, combine many of the beneficial properties of ferritic and austenitic steels. Stainless Steel 304 Lock Washer offers excellent resistant to corrosion and very high mechanical strength. The high corrosion resistance of Stainless Steel 304 Sealing Washer ensures significantly more uptime than carbon steels and conventional stainless steels, while the mechanical strength allows for lighter constructions, more compact system design and less welding.
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The standard austenitic steels like Stainless Steel 304 Split Washers are relatively easy to make and to fabricate. SS 304 Slot Washers has high amount of chromium and a slight amount of nickel. Stainless Steel 304 Machine Washer combines both austenitic (chromium – nickel) and ferritic (chromium only) molecular structures. As their names imply, Stainless Steel 304 Star Washer consist mainly of one phase, austenite or ferrite.
Although these SS 304 Wire Spring Washers are fine for a wide range of applications, there are some important technical weaknesses in both types. Stainless Steel 304 Flat Spring Washer are known to offer exceptional strength and astounding aesthetic qualities along with better resistance against corrosion and high temperature, superior hygienic surface finishing, and improved steel recyclability.
SS 304 Washer Specifications |
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| Specifications | : | ASTM A 193 ASME SA 193 |
| 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 |
304 Stainless Steel Washers Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
Stainless Steel 304 Washer 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 | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
SS 304 washers 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 | |||||
| 304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Equivalent Grades for 304 Stainless Steel Washer
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
SS 304 Washers 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
304 Steel Washers 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 304 Washers
Sachiya Steel International is one of the Leading Manufacturer And Exporter Of High Quality Stainless Steel 304 Washers, which is the family of steels that have a mixed micro – structure of 50 % ferrite and 50 % austenite. Ferritic – austenitic stainless steel also referred to as Stainless Steel 304 Flat Washers, combine many of the beneficial properties of ferritic and austenitic steels.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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