Weston Stainless, Midland, UK, is a well-known distributor of premium stainless steel fasteners for industries that require precision and durability. Stainless Steel 416 Fasteners are produced from grade 416 martensitic stainless steel, which is highly machinable, moderately corrosion resistant, and has excellent strength. The fasteners come in different shapes like bolts, nuts, washers, screws, and studs to ensure compatibility with various industrial applications. Made up predominantly of iron, chromium, and sulfur, they possess excellent wear resistance and mechanical performance, rendering them the best fit for automobile, aircraft, and heavy machine applications.
Stainless Steel 416 Fasteners are made up of 12-14% chromium, 0.15% carbon, 0.6% manganese, 1.25% sulfur, and traces of phosphorus and silicon, which contribute to their better machinability and strength. Their mechanical characteristics consist of tensile strength ranging from 550-700 MPa, yield strength of 275 MPa, and hardness ranging from 30-40 HRC, guaranteeing high durability in heavy-load conditions. Physically, they consist of a density of 7.7 g/cm³ and a melting point of about 1480°C, offering stability in extreme conditions. They also show good oxidation resistance up to 760°C, qualifying them for use in high-temperature conditions.
ASTM, ASME and API
Material : Stainless Steel 416 Fasteners
Standards : ASTM B 193 / ASME SB 193
Metric Size Range : from M1.0 upto M150
Imperial size Range : from #0000 upto #12 and 1/4″ upto 6″
Length : 3 mm To 200 mm
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 416 | min. | 11.5 | ||||||||
| max. | 0.15 | 1.0 | 1.00 | 0.040 | 0.030 | 13.5 | 0.75 | |||
| 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 | ||||
| 416 | 480 | 275 | 16 | 95 | 201 |
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Moderate corrosion resistance and are typically used in environments where high machinability is a priority. Available sizes range from M3 to M64 with various thread pitches, ensuring a precise fit for different applications.
Moderate corrosion resistance and excellent machinability, making them ideal for high-production environments. These bolts are available in sizes from M6 to M100, with lengths varying from 25mm to 1000mm.
Good corrosion resistance and machinability, Ideal for precision manufacturing. They come in sizes ranging from M3 to M64 and lengths from 10mm to 500mm, suitable for various applications.
Moderate corrosion resistance and high machinability. Available in diameters from M6 to M100 and lengths up to 3000mm, they are perfect for custom fabrication and assembly tasks.
Moderate corrosion resistance and high machinability, Stainless Steel 416 Screws are used in various industrial applications. These screws come in sizes from M1.6 to M36, with lengths ranging from 3mm to 150mm.
Moderate corrosion resistance and are designed for high-precision applications. They are available in standard sizes from M3 to M64, with thicknesses varying from 0.5mm to 5mm, ensuring compatibility with different fasteners.
Stainless Steel 416 Fasteners are used extensively in the automotive, aerospace, and heavy machinery sectors where machinability and strength are a priority. These are used excessively in valve parts, pump shafts, gears, and precision fastenings to provide performance and durability in harsh environments. They are also utilized in petrochemical, marine, and construction sectors as well, providing consistent fastening in moderately corrosive and high-stress conditions. Their precision engineering and wear resistance qualify them to be used in defense, manufacturing, and food processing sectors where durability and longevity of service are paramount.
Weston Stainless offers Stainless Steel 416 Fasteners with mill test certificates (MTC) in accordance with EN 10204 3.1/3.2 to meet international quality standards. The fasteners are safely packed in wooden crates, plastic wrapping, or customized protective packaging to avoid damage during transportation. With an effective supply chain and secure global logistics, Weston Stainless ensures timely delivery and high-quality products, making them a reliable supplier for industries globally.
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