Stainless Steel 440b Washers

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

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Mukau Fasteners, a trusted manufacturer and supplier in Kinshasa, Congo, offers high-quality Stainless Steel 440B Washers renowned for their excellent hardness, wear resistance, and durability. These washers are designed to provide reliable load distribution and protection in demanding industrial and mechanical applications. With advanced manufacturing processes and strict quality control, Mukau Fasteners ensures each Stainless Steel 440B Washer meets international standards. Serving industries such as automotive, aerospace, machinery, and manufacturing, the company delivers washers that maintain performance under high stress and moderate corrosive conditions, offering long-lasting reliability and efficiency in critical applications.

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Stainless Steel 440B Washers are made from high-carbon martensitic stainless steel with chromium and carbon as key alloying elements. This composition provides exceptional hardness, wear resistance, and moderate corrosion resistance. Mechanically, they offer high tensile strength, excellent fatigue resistance, and good dimensional stability. After heat treatment, these washers achieve maximum hardness while retaining enough toughness to withstand mechanical stress. Their combination of mechanical strength and durability ensures dependable performance in applications requiring both load-bearing capability and resistance to wear.

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 Washers are widely used in applications demanding strong, wear-resistant, and reliable components. They are ideal for automotive assemblies, aerospace components, precision machinery, pumps, and valves, providing stable load distribution and protection against surface damage. These washers perform well in moderate corrosive environments and under repeated mechanical stress. Mukau Fasteners supplies Stainless Steel 440B Washers in various sizes and specifications, offering dependable and long-lasting solutions for industrial, mechanical, and engineering applications where performance, durability, and reliability are essential.

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Types of Stainless Steel 440b Washers

At Mukau Fasteners, we adhere to exacting standards for our Stainless Steel 440B washers, ensuring careful labeling and accuracy. Our commitment includes detailed product specifications, advanced packaging systems and strict quality control in line with EN 10204/3.1b standards. A PMI test certificate and 100% radiography test report are included with each washer, emphasizing our commitment to quality and reliability. Testimonials from third parties further confirm that we adhere to high standards of customer satisfaction. Our washers are carefully packaged to prevent damage during transit, ensuring that it arrives in perfect condition, ready for demanding use.