Weston Stainless, Midland, UK, is a well-established supplier of high-quality stainless steel products, such as Stainless Steel 420 Bolts. Produced using grade 420 stainless steel, these bolts have outstanding strength, hardness, and resistance to corrosion. They are supplied in different shapes, like hex bolts, U-bolts, eye bolts, and anchor bolts, to suit industry needs. The composition of the material consists of hardenable stainless steel, which provides high wear resistance and mechanical stability. These bolts are used extensively in applications where durability and reliability are needed, and they are a first choice for industrial and commercial fastening solutions.
Stainless Steel 420 Bolts have 12-14% chromium for corrosion resistance, as well as carbon (0.15-0.40%), manganese, silicon, molybdenum, sulfur, and phosphorus. They possess a tensile strength of 700-900 MPa, yield strength of 500 MPa, and elongation of 15%. They attain a hardness of up to HRC 50 when heat-treated, providing excellent wear resistance. The physical properties are a density of 7.75 g/cm³ and moderate thermal expansion, rendering them stable under varying temperatures and mechanical stress.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 420 Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 420 |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 420 |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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High-hardness, martensitic fasteners with moderate corrosion resistance. They are ideal for applications requiring strength and wear resistance, including machinery, automotive, and cutting tools.
Custom designed fastener with a square head, and provides superior strength and rigidity. Ideal for special applications requiring damage resistance and durability.
High-hardness fastener with a threaded shaft and flat, leg-like design. It provides strength, durability, and wear resistance for demanding industrial and mechanical applications.
Secures fixtures in concrete or masonry with high hardness and strength. It provides durability and wear resistance, making it suitable for high-stress and industrial applications.
Features a hexagonal head with an integrated flange, ensuring secure fastening and load distribution. It offers high hardness and durability for demanding applications.
A completely threaded shaft, offering consistent grip and engagement. They provide high strength and durability, suitable for demanding applications in industrial and mechanical settings.
These bolts are extensively used in auto, aircraft, construction, and marine applications because they are highly strong and resistant to corrosion. They are most suitable for valve parts, pump shafts, turbine blades, and other stress–bearing fasteners. They are also employed in medical devices, food processing machinery, and chemical processing facilities where reliability and resistance to oxidation are critical. Their tolerance for high temperature and harsh environments makes them a good fit for boilers, heat exchangers, and industrial equipment, promising long-term reliability and efficiency.
In order to provide quality and compliance, Stainless Steel 420 Bolts are accompanied by mill test certificates, third-party inspection reports, and material traceability documentation. They are packaged carefully in wooden boxes, plastic cartons, or shrink-wrapped bundles to avoid damage during transportation, with correct labeling for easy recognition. Diverse shipping options, ranging from air to sea and land transportation, ensure timely and effective delivery to clients globally.
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