Request For Our Latest Prices On SS 440b Bolts in Bangkok, Thailand!
Pengkumta Fasteners, a top-notch manufacturer and supplier based in Bangkok, Thailand, focuses on crafting high-quality Stainless Steel 440B Bolts that are built to last, offering strength and precision. These bolts are produced under rigorous quality standards and cutting-edge technology, ensuring they deliver exceptional hardness and wear resistance, making them perfect for tough industrial tasks. Renowned for their dependable performance and decent corrosion resistance, Stainless Steel 440B Bolts are a go-to choice for critical environments. Pengkumta Fasteners is committed to providing innovative fastening solutions, prompt services, and outstanding products to industries throughout Thailand and beyond.
Stainless Steel 440B Bolts are made from martensitic stainless steel alloys, featuring 16–18% chromium and 0.75–0.95% carbon, along with small amounts of manganese and silicon. This unique blend gives them impressive hardness, excellent wear resistance, and moderate corrosion resistance. When heat-treated, these bolts achieve remarkable tensile and yield strength, along with superior hardness and fatigue resistance. While they may not be as ductile as austenitic grades, they hold their ground under stress, ensuring reliable fastening. Their mix of strength and wear resistance makes them ideal for high-load and high-stress industrial applications.
| 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 various sectors like aerospace, automotive, petrochemical, and marine industries, where strength and wear resistance are crucial. They’re commonly used in heavy machinery, pumps, turbines, and structural components that require long-lasting fastening solutions. In the automotive and aerospace fields, these bolts secure high-stress assemblies that face heat and friction. Marine applications also benefit from their durability in salty environments. Plus, Stainless Steel 440B Bolts are utilized in tooling, construction, and defense industries, providing reliable performance, toughness, and dependability in challenging industrial settings.
At Pengkumta 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.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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