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Brian Fasteners, based in Houston, USA, is a reliable manufacturer and supplier of top-notch industrial fasteners, including specialized products like Stainless Steel 440B Stud Bolts. Renowned for its precision engineering and dedication to quality, Brian Fasteners caters to demanding industries such as automotive, aerospace, defense, and heavy machinery. Their Stainless Steel 440B Stud Bolts are crafted for applications that demand exceptional hardness, strength, and wear resistance. With a strong focus on material integrity and compliance with international standards, Brian Fasteners provides dependable fastening solutions that guarantee long-lasting performance even in high-stress and abrasive environments.
The Stainless Steel 440B Stud Bolts are made from a high-carbon martensitic stainless steel alloy, featuring around 16–18% chromium and 0.75–0.95% carbon. After undergoing heat treatment, 440B achieves impressive hardness—often reaching up to 56 HRC—along with commendable tensile strength (up to 740 MPa) and yield strength (approximately 445 MPa). While its corrosion resistance is moderate compared to austenitic grades, 440B significantly excels in wear and abrasion resistance. These mechanical properties make it perfect for high-load and high-wear settings where precision, hardness, and durability are paramount.
| 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 perfect for applications that require both mechanical strength and wear resistance. Common uses include valve components, pump systems, high-performance machinery, dies, cutting tools, and structural assemblies in the automotive and aerospace sectors. These bolts perform admirably in moderately corrosive environments and under conditions that involve mechanical stress, vibration, and abrasion. Their high hardness and dimensional stability make them well-suited for both static and dynamic load-bearing applications. Brian Fasteners offers Stainless Steel 440B Stud Bolts in a variety of sizes, threads, and finishes to meet the specific needs of specialized industrial environments.
Stainless Steel 440B stud bolts are essential for applications demanding robust fastening solutions, particularly in high-pressure and harsh environments. They are used in automotive systems, marine hardware, and industrial machinery, providing exceptional strength and resistance to wear and corrosion. In construction, these stud bolts ensure structural stability and safety by offering durable connections for critical assemblies. Each Stainless Steel 440B stud bolt from Brian Fasteners is meticulously packaged with protective materials to prevent damage during transit, ensuring they arrive in perfect condition, ready for immediate use in demanding applications.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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