Hardness testing to ISO 6508-1
Stainless Steel Grade A2-70 Fasteners are hardware components made from a specific grade of stainless steel known as A2-70, also referred to as AISI 304 or 18/8 stainless steel. This grade is one of the most commonly used stainless steels and contains approximately 18% chromium and 8% nickel, along with a small amount of carbon and other alloying elements. The chemical composition of Stainless Steel Grade A2-70 typically includes 17.5-20% chromium, 8-10.5% nickel, 1% max manganese, 1% max silicon, 0.07% max carbon, and small amounts of other elements like sulfur, phosphorus, and nitrogen.
One of the key features of Stainless Steel Grade A2-70 Fasteners is their excellent corrosion resistance. The high chromium content in the alloy forms a passive oxide layer on the surface, which protects the fasteners from corrosion in various environments. Stainless Steel Grade A2-70 Fasteners are particularly resistant to atmospheric corrosion, making them suitable for outdoor applications and general-purpose use.
Another notable feature of Stainless Steel Grade A2-70 Fasteners is their moderate strength and good mechanical properties. They offer adequate tensile strength and toughness, making them suitable for fastening applications that require reliable and durable connections.
Due to their excellent corrosion resistance and moderate strength, Stainless Steel Grade A2-70 Fasteners are commonly used in a wide range of applications. They are widely used in construction projects, infrastructure development, and general engineering applications. These fasteners are utilized in outdoor installations, such as in building facades, roofing, and structural components, where their resistance to atmospheric corrosion is crucial for long-lasting performance.
Additionally, Stainless Steel Grade A2-70 Fasteners find applications in the manufacturing of machinery, equipment, and appliances. They are commonly used in automotive components, electronics, and household appliances due to their corrosion resistance and aesthetic appearance.
|ASTM A193 / ASME SA 193
|DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
|M3 to M90
|10mm to 1000mm
|DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
|UNF, BSW, BSF, METRIC, UNC, or as required
|ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
|Hex, Threading, Square, Round as per Gauge Etc.
|Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
|Hex, Square, Triangular, Oval & Knurled etc.
|Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
|Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.
Stainless steel A2-70 FASTENERS 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.
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.
|Yield Strength 0.2% Proof (MPa) min
|Elong (% in 4D min)
|Red of Area (% min)
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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