Njabulo Stainless, based in Cape Town, South Africa, is a leading manufacturer and supplier of premium Stainless Steel 440C Bolts. These bolts are designed for high-strength fastening in demanding industrial and structural applications. Njabulo Stainless ensures precision threading, smooth surfaces, and consistent dimensions to provide secure and reliable connections. Stainless Steel 440C bolts are widely used in chemical, petrochemical, marine, power generation, and automotive industries, where resistance to wear, corrosion, and high mechanical stress is essential. They deliver long-lasting performance, ensuring safety and efficiency in critical operations.
Stainless Steel 440C Bolts are made from martensitic stainless steel 440C, containing high carbon (0.95–1.20%) and chromium (16–18%). This composition provides exceptional hardness, tensile strength, and wear resistance while maintaining moderate corrosion resistance. Mechanically, 440C bolts exhibit high fatigue strength, toughness, and dimensional stability, making them suitable for high-pressure, high-load, and high-stress applications. Their precision threading ensures tight and secure fastening. These properties make 440C bolts ideal for critical assemblies requiring both mechanical strength and reliable performance in harsh industrial environments.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 440C Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 440C |
| 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 440C |
| 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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Stainless steel 440C bolts are very strong, high strength fasteners with excellent damage resistance. They offer moderate corrosion resistance and are ideal for high stress and high damage applications in industrial and industrial applications.
Custom Stainless Steel 440C Hex Bolt is a high-strength fastener with a square head, specifically designed to fit. It provides exceptional strength, wear resistance and durability for tough applications.
Stainless Steel 440C Leg Bolt is a high-strength, corrosion-resistant fastener with a long threaded shaft and flat head, designed for more demanding applications requiring durability and abrasion resistance
Stainless Steel 440C Expansion Anchor Bolt is a high-strength fastener designed to secure concrete or masonry products. It expands in the hole as it tightens, creating a reliably stable surface.
Stainless Steel 440C Hex Flange Head Bolt features a hexagonal head with an integrated flange for increased weight distribution. Provides superior strength and wear resistance for complex industrial applications.
Stainless Steel 440C Full Threaded Bolts have threads along their entire length, providing consistent clamping force and high hardness. They are ideal for high-stress applications requiring strength and wear resistance.
Every Stainless Steel 440C bolt is packaged using high-quality material for protection from damage, rust, or defects during shipping. We focus on the satisfaction of customers by ensuring prompt delivery through effective transportation methods. In addition all relevant documentation related to the product including certificates of Quality are provided to clients. at the time of delivery. Assuring them of the product’s compliance with the highest industry standards. At every step we maintain a commitment to quality and reliable service.
Stainless Steel 440C Bolts are widely used in chemical plants, petrochemical facilities, marine environments, power plants, and heavy machinery. They are ideal for fastening equipment, valves, pumps, pressure vessels, flanges, and structural components exposed to high stress, vibration, or temperature. Their excellent hardness and wear resistance make them suitable for automotive and machinery applications requiring durable and reliable fastening. 440C bolts are also used in industrial, construction, and marine assemblies, providing secure, long-lasting connections that resist corrosion, wear, and mechanical stress in demanding environments, ensuring safe and efficient operation.
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