Mbemba Stainless is a prominent manufacturer and supplier located in Kinshasa, Congo, focusing on high-quality stainless steel products designed for exceptional performance and durability. Among their extensive product lineup, the Stainless Steel 422 Bars stand out for their remarkable strength, hardness, and resistance to corrosion, especially in high-temperature settings. Crafted to meet rigorous industrial standards, these bars provide excellent machinability and long-lasting durability, making them perfect for heavy-duty applications. Mbemba Stainless is committed to precision engineering, consistent quality, and a reliable supply of 422 stainless steel bars to various industries, including power generation, aerospace, petrochemical, and engineering throughout the Congo region.
The Stainless Steel 422 Bars are made from a blend of iron, chromium (12–14%), molybdenum, tungsten, vanadium, and carbon (0.20–0.25%), along with trace amounts of silicon and manganese. This martensitic stainless steel boasts a high tensile strength of around 700 MPa and impressive hardness, particularly after undergoing heat treatment. The bars show excellent resistance to oxidation and scaling at temperatures up to 1200°F (650°C) while maintaining good ductility and toughness. Their robust mechanical and thermal properties make them ideal for components that face high stress and elevated temperatures.
| Component | Wt. % |
| C | 0.23 |
| Cr | 12.5 |
| Fe | 83 |
| Mn | 0.5 |
| Mo | 1 |
| Ni | 0.8 |
| P | 0.02 |
| S | 0.015 |
| Si | 0.38 |
| V | 0.23 |
| W | 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C value. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C value. |
| Tensile Strength, Ultimate | 897 MPa | 130000 psi | |
| Tensile Strength, Yield | 828 MPa | 120000 psi | 0.2% Offset |
| Elongation at Break | 15 % | 15 % | |
| Reduction of Area | 40 % | 40 % |
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We ensures the highest standards for its stainless steel 422 frames through rigorous testing and certification. Each bar undergoes extensive quality control procedures including mechanical, chemical and theoretical testing to meet international specifications. Industry recognized and certified, these tapes offer reliability, durability and performance in a variety of industries.
Corrosion-resistant and engineered for high strength, Stainless Steel 422 Round Bars are available in diameters from 0.5″ to 12″. They are ideal for use in automotive and aerospace components where high durability and wear resistance are required.
Stainless Steel 422 Flat Bars offer superior hardness and resistance to oxidation, available in thicknesses from 0.25″ to 6″ and widths up to 12″. Perfect for structural applications and machinery needing high strength and durability.
Corrosion-resistant Stainless Steel 422 Square Bars are available in sizes from 0.5″ to 6″ on each side. These bars are designed for demanding applications where high strength and resistance to wear and oxidation are essential.
Offering excellent resistance to oxidation, Stainless Steel 422 Rectangular Bars come in dimensions from 0.5″ x 1″ to 6″ x 12″. Ideal for heavy-duty industrial applications requiring strength and durability under extreme conditions.
Stainless Steel 422 Hexagonal Bars are known for their high strength and resistance to high temperatures, available in sizes from 0.5″ to 4″ across flats. Suitable for aerospace and high-performance industrial uses.
Stainless Steel 422 Hexagonal Bars are known for their high strength and resistance to high temperatures, available in sizes from 0.5″ to 4″ across flats. Suitable for aerospace and high-performance industrial uses.
The Stainless Steel 422 Bars provided by Mbemba Stainless are widely utilized in applications that demand both strength and heat resistance. They are perfect for crafting turbine blades, shafts, valve components, pump parts, and fasteners in sectors like aerospace, power generation, and petrochemical processing. Additionally, these bars find use in automotive and marine environments where mechanical durability and corrosion resistance are essential. Their ability to remain stable under thermal and mechanical stress ensures they deliver long-lasting performance, making them a top choice for high-temperature and heavy-duty applications.
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