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Mira Fasteners is a well-respected manufacturer and supplier of Stainless Steel 440B Stud Bolts, proudly based in Kuala Lumpur, Malaysia. These stud bolts are celebrated for their impressive strength and outstanding wear resistance, making them perfect for tough mechanical and industrial tasks. Crafted with precision and a commitment to quality, Mira Fasteners ensures that their products are durable and perform reliably, even in harsh and high-stress conditions. They cater to a variety of sectors throughout Malaysia and Southeast Asia, delivering dependable Stainless Steel 440B Stud Bolts that meet strict operational and safety standards.
Stainless Steel 440B Stud Bolts are made from high-carbon martensitic stainless steel, typically featuring around 16–18% chromium and 0.75–0.95% carbon. This specific alloy achieves remarkable hardness after heat treatment, with tensile strength ranging from 750–1000 MPa. These bolts are known for their excellent wear resistance and moderate corrosion resistance, particularly in environments that aren’t exposed to strong acids or chlorides. They are magnetic and maintain their strength even under mechanical stress.
| 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel 440B stud bolts are ideal for high-stress applications that require exceptional strength and durability. They are commonly used in the automotive and aerospace industries, marine refineries, and industrial equipment where wear and tear resistance is required. Their rigidity makes them suitable for valve assemblies, pumps and high pressure situations. In addition, 440B stud bolts are used in construction applications and equipment exposed to severe conditions, providing reliable performance and longevity under harsh conditions
You’ll often find Stainless Steel 440B Stud Bolts in applications like valve components, pump shafts, surgical instruments, die-casting tools, and heavy-duty industrial assemblies. Their high hardness and strength make them ideal for fastening components that face abrasion, impact, or mechanical loads. While they may not resist corrosion as well as austenitic grades, SS 440B stud bolts perform admirably in dry or mildly corrosive settings. These bolts are perfect for situations where secure, high-performance connections are essential, even in challenging environments.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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