Stainless Steel 440b Bolts

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Stainless Steel 440b Bolts Manufacturer and Supplier in Kinshasa, Congo

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Mukau Fasteners, a trusted manufacturer and supplier based in Kinshasa, Congo, is known for delivering premium-quality Stainless Steel 440B Bolts designed for superior strength and precision. These bolts are crafted using advanced manufacturing techniques to ensure durability and reliability under extreme conditions. Stainless Steel 440B Bolts offer excellent resistance to wear, corrosion, and high temperatures, making them ideal for both industrial and mechanical applications. Mukau Fasteners focuses on quality, consistency, and performance, providing fastening solutions that meet international standards and support industries such as engineering, construction, and manufacturing across Congo and beyond.

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Stainless Steel 440B Bolts are made from high-carbon martensitic stainless steel containing chromium and carbon, offering excellent hardness and strength. They provide superior wear resistance and moderate corrosion protection. Mechanically, they exhibit high tensile strength, toughness, and excellent resistance to abrasion and deformation. With good machinability and the ability to maintain structural integrity under heat treatment, 440B bolts are ideal for high-stress applications. Their mechanical properties make them suitable for precision fastening tasks requiring both durability and stability in harsh working environments.

Stainless Steel 440B Fasteners Physical Properties

Properties	Metric	Imperial
Density	7.74 g/cm3	0.280 lb/in³
Melting point	1482°C	2700°F

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Stainless Steel 440B Fasteners Chemical Composition

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

Stainless Steel 440B Fasteners Mechanical Properties

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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Commited to High Quality Service

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 Bolts are widely used in industries that demand high hardness and corrosion resistance. They are ideal for applications in the aerospace, automotive, marine, and power generation sectors. Common uses include fastening components in turbines, pumps, valves, and heavy machinery. Their excellent wear resistance makes them suitable for use in tools, equipment, and systems exposed to high mechanical stress. Mukau Fasteners provides Stainless Steel 440B Bolts in multiple specifications and dimensions, ensuring reliable performance and long-lasting service in both industrial and structural environments.

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Types of Stainless Steel 440b Bolts

At Mukau 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.