Request For Our Latest Prices On SS 440b Bolts in Houston , USA!
Brian Fasteners, located in Houston, USA, is your go-to source for top-notch Stainless Steel 440B Bolts. We’ve built a solid reputation for precision engineering and exceptional quality, serving a variety of industries such as aerospace, automotive, marine, and construction. Our 440B bolts are crafted using cutting-edge techniques and meet international standards, guaranteeing impressive strength and resistance to corrosion. At Brian Fasteners, we put our customers first, ensuring timely deliveries, competitive pricing, and reliable technical support. With our unwavering commitment to excellence, we proudly serve clients across the USA and around the globe with trustworthy fastening solutions.
Stainless Steel 440B Bolts are crafted from high-carbon martensitic stainless steel, featuring about 17% chromium and 0.9% carbon, along with manganese, silicon, and trace elements. These bolts are known for their outstanding wear resistance, high hardness (up to 58 HRC after heat treatment), and moderate corrosion resistance. Their mechanical properties boast a tensile strength of around 760 MPa and a yield strength of about 450 MPa. The 440B alloy can be heat-treated to enhance toughness and strength, making it perfect for applications that demand durable, high-performance fasteners.
| 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.
You’ll find Stainless Steel 440B Bolts in industries where strength, hardness, and wear resistance are essential. They’re commonly used in the production of heavy machinery, industrial equipment, knife components, valves, pumps, and precision instruments. Thanks to their high hardness and moderate corrosion resistance, these bolts are ideal for both mechanical and structural applications in aerospace, automotive, and marine sectors. In environments with limited exposure to corrosive agents, 440B bolts deliver reliable performance and a long service life. Their ability to handle high-stress conditions makes them a top choice for heavy-duty fastening applications.
At Brian Fasteners, we adhere to strict quality standards for our Stainless Steel 440B bolts, with accurate labeling and complete documentation demonstrating our commitment. Our packaging system includes durable products, fumigation certificates and extensive heat treatment records. We use rigorous quality control methods, including MTC, PMI test certificates and 100% radiographic test reports, to ensure exceptional quality and reliability. Each bolt is carefully fitted with protective coatings to prevent damage in transit, ensuring that it arrives in pristine condition, ready for emergency use.
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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