Nickel-based corrosion-resistant alloys are a class of advanced metallic materials engineered primarily to withstand extreme corrosive environments. Their foundation is a nickel (Ni) matrix, which is inherently resistant to many corrosives, alloyed with other key elements—primarily chromium (Cr), molybdenum (Mo), and sometimes copper (Cu) and nitrogen (N)—to create a versatile and powerful family of materials for the most aggressive chemical and industrial applications.
They are the go-to solution when stainless steels are no longer sufficient.
Exceptional Corrosion Resistance: This is their defining property. They offer outstanding resistance to a wide range of corrosives, including:
Acids: Sulfuric acid, hydrochloric acid, phosphoric acid.
Caustics: Strong alkaline solutions.
Chloride-Induced Attacks: Pitting and crevice corrosion, which are the primary failure modes for standard stainless steels.
Stress Corrosion Cracking (SCC): Highly resistant to cracking under the combined action of tensile stress and a corrosive environment.
Versatility: A wide range of alloy compositions allows for tailoring properties to target specific corrosive conditions (e.g., high Mo for chloride resistance, high Cr for oxidizing environments).
Good High-Temperature Performance: Many of these alloys form a stable, protective oxide scale (based on Cr₂O₃), allowing them to resist oxidation and carburization at elevated temperatures.
Excellent Mechanical Properties: They maintain good strength and toughness from cryogenic temperatures up to high temperatures.
Nickel-based corrosion-resistant alloys can be categorized into several major families, each optimized for different challenges.
| Alloy Family | Key Alloying Elements | Iconic Examples | Primary Corrosion Resistance & Applications |
| Nickel-Chromium | Ni, Cr | Alloy 600 | Oxidation resistance at high temperatures; caustic environments. |
| Nickel-Chromium-Iron | Ni, Cr, Fe | Alloy 800/800H | High-temperature oxidation and carburization resistance; heat treatment equipment. |
| Nickel-Chromium-Molybdenum | Ni, Cr, Mo | C-276, C-22, C-2000 | The most versatile family. Superior resistance to pitting, crevice corrosion, and a wide range of acids and chlorides. Used in chemical processing, flue gas desulfurization, and pollution control. |
| Nickel-Chromium-Molybdenum with Copper | Ni, Cr, Mo, Cu | Alloy 400, Alloy 825 | Excellent resistance to sulfuric and phosphoric acids; widely used in marine and chemical processing applications. |
| Nickel-Molybdenum | Ni, Mo | Alloy B-2, B-3 | Exceptional resistance to reducing environments (non-oxidizing acids) like hydrochloric acid. |
| Nickel-Chromium-Molybdenum with Nitrogen | Ni, Cr, Mo, N | Alloy 625, Alloy 718 | Combines high strength (from precipitation hardening) with excellent corrosion and oxidation resistance. Used in aerospace, chemical, and marine engineering. |
DR series cutting tools are mainly used for processing cold drawn rubes, precision drawn rubes and cold rolled rubes-
GD-600 Standard gun drill sharpening machine adopt precision rolling track, high-speed motor. The motion is smooth and the friction is small. Grinder can rotate in horizontal and vertical plane. Widely applicable to machine tools with sharpening Fixture canbe accurate and effective grinding a variety of gun drill.50Q Gun Drills Gun Drill Sharpening Fixture is specialized used in dedicated tooling the compact structure, of setup is reasonable and convenient, adjustment is simple, processing is time-saving(once setup to be completed by all angle grinding), the processing of drilling edge, high precision, good accuracy. Grinding range is φ 5-φ 32
V-CUT knives (also known as V-shaped cutting knives or V-groove knives) are specialized tools for PCB (Printed Circuit Board) processing, metal sheet grooving, and V-groove machining of materials such as acrylic and plastic. Below is a detailed description from the perspectives of core characteristics, classification, parameters, and applications:
Workpiece Material Cutting Speed Vc (m/min) Inspection Spec - Drill Bit Dia(≤12.00-22.00mm) Inspe...
Tip diameter range:2.00mm~45.00mm Three-segment grinding tip:characterized by stable size,high hole surface finish,and high hole straightness and concentricity.It is perfect for applications in automotive shafts,mold cross holes,and hot runners,and has many applicationsin fields with high requirements for holes such as automotive shafts,hot runners,and so on.
The RFD6ZX1010-1000 six-axis drilling and milling compound deep hole drilling machine is mainly used for deep hole drilling and milling. Equipped with a high-precision CNC turntable (B-axis) and a sliding table rotation axis (A-axis), it can complete five-sided drilling and milling with one clamping. This expands the machine’s processing range, reduces clamping times, greatly improves processing accuracy and efficiency, and effectively saves production costs. It is mainly used for oblique hole processing in molds, mechanical parts, etc.
Cemented carbide ball is a spherical cemented carbide product made by high-precision forming and sintering processes. It has extremely high hardness, wear resistance, corrosion resistance and dimensional accuracy. Widely used in bearings, valves, precision instruments, abrasive media and other fields, it can be used as rolling elements, seals, grinding media, etc., with the characteristics of long service life and stable operation.
Product parameter Model Basic Configuration NEXUS-4000-Ⅲ Control System: MATRIX ...
Carbide cutting teeth refer to the tooth-like or tip components made from tungsten carbide, a composite material known for its exceptional hardness, wear resistance, and durability. These teeth are typically brazed or mounted onto various tools and machinery to serve as the primary cutting, drilling, or grinding surface.
Main instruction Adopting 45°slant bed, the longitudinal and transversal guide way ad...
The wear-resistant bushing is a versatile wear-resistant protective component made of high-quality cemented carbide material. It is widely used in machinery manufacturing, automation equipment, hydraulic systems and other fields to reduce friction and wear between moving parts and protect base parts. It has the characteristics of compact structure, easy installation, good wear resistance and long service life, and can be customized in size and material according to different working conditions.
Carbide Plum Blossom Teeth are a specialized type of tungsten carbide cutting tool characterized by their unique, multi-pointed star shape that resembles a plum blossom. These teeth are designed as highly efficient, multi-faceted cutting elements for extreme abrasive and impact conditions, primarily in the mining and construction industries.
Vertical lathes (VTLs) are specialized machining equipment designed for turning large, heavy, or oversized workpieces—ideal for industries like wind power (turbine hubs), shipbuilding (hull components), mining (equipment parts), and aerospace (large structural parts).
Threaded carbide rod with holes are mainly used for processing tungsten parts or as a tool bit of processing lathe, conductors, steel-making burdening and additives.
The RFD6ZX1010-1000 six-axis drilling and milling compound deep hole drilling machine is mainly used for deep hole drilling and milling. Equipped with a high-precision CNC turntable (B-axis) and a sliding table rotation axis (A-axis), it can complete five-sided drilling and milling with one clamping. This expands the machine’s processing range, reduces clamping times, greatly improves processing accuracy and efficiency, and effectively saves production costs. It is mainly used for oblique hole processing in molds, mechanical parts, etc.
