Mitchell Stainless is a well-respected manufacturer and supplier of top-notch Stainless Steel 440B Fasteners based in Hamilton, New Zealand. They’re known for providing high-quality, high-performance fastening solutions. With a strong emphasis on precision engineering and cutting-edge manufacturing practices, the company delivers products that meet the rigorous demands of industrial, commercial, and mechanical applications. Their Stainless Steel 440B Fasteners are prized for their impressive strength, durability, and resistance to corrosion, making them perfect for tough environments. Dedicated to customer satisfaction, Mitchell Stainless guarantees reliable service, quick delivery, and consistent product excellence throughout Hamilton and its neighboring areas.
Stainless Steel 440B Fasteners are crafted from a high-carbon martensitic stainless steel alloy that includes chromium, molybdenum, and a carefully controlled carbon content to achieve exceptional hardness. These fasteners boast remarkable tensile strength, improved wear resistance, and moderate corrosion resistance, particularly after undergoing proper heat treatment. The alloy’s capacity to reach high hardness levels makes it perfect for applications that demand robust performance. With excellent edge retention, strong mechanical stability, and dependable structural integrity, 440B fasteners deliver reliable performance in high-stress situations where strength and durability are key.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.74 g/cm3 | 0.280 lb/in³ |
| Melting point | 1482°C | 2700°F |
|
C
|
Si
|
Mn
|
P
|
S
|
N
|
Cr
|
Cu
|
Mo
|
Ni
|
Ti
|
V
|
|---|---|---|---|---|---|---|---|---|---|---|---|
|
0,85 – 0,95
|
–
|
–
|
–
|
–
|
–
|
17,00 – 19,00
|
–
|
0,90 – 1,30
|
–
|
–
|
0,07 – 0,12
|
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) |
|---|---|---|---|---|---|
| Annealed* | 758 | 448 | 14 | 269HB max | – |
| 204 | 2030 | 1900 | 4 | 59 | 9 |
| 260 | 1960 | 1830 | 4 | 57 | 9 |
| 316 | 1860 | 1740 | 4 | 56 | 9 |
| 371 | 1790 | 1660 | 4 | 56 | 9 |
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Highly resistant to corrosion, Stainless Steel 440B Nuts are designed for high-strength applications. Available in sizes ranging from M3 to M24, they are precision-manufactured to ensure reliable performance and durability.
Stainless Steel 440B Stud Bolts offer excellent corrosion resistance and are ideal for demanding environments. Typically available in lengths from 50mm to 500mm and diameters from M6 to M30, they provide robust fastening solutions for various industrial applications.
Stainless Steel 440B Bolts exhibit superior corrosion resistance and are suitable for harsh conditions. They come in sizes from M6 to M30 and lengths ranging from 10mm to 300mm. Their high strength and durability make them ideal for critical applications.
With excellent corrosion resistance, Stainless Steel 440B threaded rods are used in heavy-duty applications. They are available in lengths from 100mm to 2000mm and diameters ranging from M6 to M30, offering versatility and strength in fastening solutions.
Stainless Steel 440B screws provide high corrosion resistance and are used in various applications. Sizes range from M3 to M20, with 10mm to 150mm lengths. They are known for their strength and reliability in tough environments.
Stainless Steel 440B washers offer exceptional corrosion resistance, crucial for distributing loads and reducing friction. They are available in sizes from M3 to M30, with standard thicknesses that ensure durability and performance in high-stress applications.
Here at Mitchell Stainless, Hamilton, New Zealand, our primary concern is a faultless customer experience by providing comprehensive documentation for our premium Stainless Steel 440B Fasteners. This includes all the necessary documents like commercial invoice, packaging list, heat treatment chart, quality assurance plan and the NABL-approved lab test report. Additional offerings include MTC, PMI Test Certificate, radiography test reports, and Third-Party Inspection Certificates, assuring you of quality and customer satisfaction.
Stainless Steel 440B Fasteners find their place in various industries that need high-strength and wear-resistant components. They’re frequently used in automotive systems, industrial machinery, cutting tools, pumps, and precision equipment where outstanding hardness and durability are essential. Their dependable mechanical performance makes them ideal for environments with high loads and friction. These fasteners are also well-suited for applications in the oil and gas, petrochemical, defense, and heavy engineering sectors.
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