Hardness testing to ISO 6508-1
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Stainless steel has been a popular material for various applications and good reason. Its durability, corrosion resistance, and overall strength make it a reliable choice for numerous fasteners, including screws, nuts, bolts, and washers. In particular, stainless steel 304 and 304L fasteners are the most common types used in the industry.
The Stainless Steel 304 Fasteners come in various shapes and sizes, including screws, nuts, bolts, and washers. These components are made from austenitic stainless steel, a type of steel containing high levels of chromium and nickel. The 304 stainless steel has a low carbon content, making it a versatile material with excellent toughness, weldability, and formability. Some of the most common types of 304 fasteners include hex bolts, machine screws, socket screws, and U-bolts.
The Stainless Steel 304L Fasteners is a popular 304 stainless steel variant. The "L" designation stands for low carbon, which makes this variant more suitable for welding applications than the regular 304. The 304L stainless steel fasteners are used in various industries, including construction, food, and chemical. Some of the applications of 304L fasteners include pressure vessels, heat exchangers, storage tanks, and piping systems.
Stainless steel 304 and 304L fasteners are used in various applications because of their excellent mechanical properties, corrosion resistance, and long-lasting durability. In construction, 304 stainless steel is commonly used for building facades, roofing, and cladding. In the food and beverage industry, stainless steel 304 is used for equipment and utensils due to its hygienic properties and ease of cleaning. In chemical processing, 304L stainless steel is used for processing and storing acids, bases, and other corrosive substances.
Several benefits come with using stainless steel 304 and 304L fasteners. These highly corrosion-resistant materials can withstand exposure to harsh chemicals, humidity, and extreme temperatures without showing signs of rust or decay. Stainless steel 304 and 304L are low-maintenance materials that require only occasional cleaning to maintain their appearance and integrity. These materials are easy to work with, making them a popular choice for various applications where high precision and accuracy are essential. Stainless steel 304 and 304L fasteners are widely used in many applications that require high durability, strength, and corrosion resistance. These materials offer a range of advantages that make them ideal for various industries, including construction, food processing, and chemical processing.
Specifications | ASTM A 193 / ASME SA 193 |
Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
Size | M3 to M90 |
Length | 10mm to 1000mm |
Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Form | Hex, Threading, Square, Round as per Gauge Etc. |
Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
For example, beer brewing, milk processing, and winemaking equipment all utilize stainless steel fasteners with the UNS numbers S30400, S30403, and S30409. Chemical containers, including transport containers, woven or welded screens, and more also use these stainless steel fasteners. Fasteners made of stainless steel type 304/304L may withstand oxidation up to 1500 degrees Fahrenheit under repeated heating and 1650 degrees with continuous use. We also provide stainless steel fasteners at the lowest prices. You can customize the shapes, sizes, thicknesses, and qualities of these fasteners.
To preserve the high standards of our selection of industrial fasteners, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of fasteners.
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 13 | – |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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