K500 Alloy Steel

Description

Alloy K500 is a nickel-copper alloy known for its excellent corrosion resistance, high strength, and exceptional toughness at both room and elevated temperatures. It is typically used in aggressive environments where corrosion resistance is critical.

Applications

Alloy K500 is widely used in marine and offshore industries for components exposed to seawater and harsh environments. It is commonly utilized in valves, springs, fasteners, pump shafts, and other marine equipment.

Blacksmith Applications

Due to its high strength and toughness, Alloy K500 is often used in blacksmithing applications that require durability and resistance to corrosion. It can be utilized in forging tools, dies, hammerheads, and other blacksmithing tools.

K500 Forging Temperature

Forging of Alloy K500 should be performed between 2100°F - 2300°F (1149°C to 1260°C), followed by slow cooling in a controlled environment to prevent cracking and retain desired properties.

K500 Heat Treatment

K500 Annealing Temperature

Annealing is recommended at a temperature of 1600°F to 1800°F (871°C to 982°C) for a sufficient period, followed by air cooling or controlled furnace cooling to relieve internal stresses.

K500 Normalizing Temperature

Normalizing can be conducted at 1800°F to 1900°F (982°C to 1038°C) for a suitable soak time, followed by air cooling to enhance the material's mechanical properties.

K500 Hardening Temperature

Alloy K500 is not typically hardened through traditional heat treatment methods. However, it can achieve increased strength through cold-working or strain-hardening processes.

K500 Tempering Temperature

Tempering of Alloy K500 is not applicable as it is not typically hardened. Cold-working or strain-hardening can be performed as required.

Machinability

Alloy K500 exhibits fair to good machinability, but it is typically challenging due to its high strength and work hardening tendency. Carbide tooling and optimized cutting parameters are recommended for machining operations.

Weldability

Alloy K500 has good weldability using processes such as gas tungsten arc welding (GTAW) or shielded metal arc welding (SMAW). However, preheating and post-weld heat treatment may be necessary to minimize the risk of cracking and optimize mechanical properties.

Chemical Analysis

The chemical make up of this steel.

Chemical Content (%)
Nickel (Ni)63.0-70.0
Copper (Cu)27.0-33.0
Aluminum (Al)2.30-3.15
Titanium (Ti)0.35-0.85
Carbon (C)0.18-0.25
Iron (Fe)Balance