Monel 400 bar and K500 bar

What is the difference between Monel 400 bar and K500 bar?
Monel 400 Rod and K500 Rod are both nickel-copper alloys, but Monel K500 Rod is precipitation hardened by adding aluminum and titanium to significantly increase its strength and hardness. While both alloys offer excellent corrosion resistance, K500 Alloy Rod is better suited for applications that require greater strength, such as heavily loaded components.
What is K500 Monel Rod?
Monel K500 Rod is an age-hardenable nickel-copper alloy that combines the corrosion resistance of Alloy 400 Rod with high strength for corrosion fatigue and erosion resistance. Monel K500 Rod is a nickel-copper alloy that is precipitation hardened with the addition of aluminum and titanium.


Will Monel 400 bar rust?
Monel 400 alloy bar is a nickel-copper alloy characterized by good corrosion resistance, good weldability, and medium to high strength. It also withstands attack by high-temperature seawater and steam, as well as alkaline solutions and salts.
Are Monel K500 rods magnetic?
Due to its high strength and low corrosion rate in high-velocity seawater, it is particularly suitable for centrifugal pumps in the marine industry. MONEL K500 alloy rods are not magnetic.

Monel 400 bar Vs K500 bar
Comparing Strength and Durability
Composition and Strength
The main differences between Monel 400 and Monel K500 are their composition and mechanical properties. Monel 400 is a nickel-copper alloy that contains approximately 63% nickel, 28-34% copper, and small amounts of iron and manganese. It has excellent corrosion resistance and moderate strength, making it ideal for marine and chemical applications. Monel K500 is an enhanced version of Monel 400 that includes the following features:
Aluminium and titanium.
Allows it to be age-hardened.
Significantly increases its strength and hardness.
This makes Monel K500 suitable for applications requiring higher mechanical properties.
Durability in harsh environments
Monel 400 and Monel K500 are known for their exceptional durability in harsh environments. Monel 400 has excellent corrosion resistance in seawater, making it ideal for marine applications such as valves, pumps and heat exchangers. It performs well over a wide temperature range. Monel K500 retains the corrosion resistance of Monel 400. In addition, it has enhanced strength and wear resistance, making it ideal for high-stress environments such as oil and gas drilling, where strength and corrosion resistance are critical. This makes Monel K500 an ideal choice for demanding applications where long-lasting performance is required.
Monel 400 Round Bar Sizes
Standard lengths of 2000 to 6000 mm. Cut to size on request (tolerance +2/-0 mm).
| 5.0 mm | 45.0 mm |
| 6.0 mm | 50.0 mm |
| 7.0 mm | 55.0 mm |
| 8.0 mm | 60.0 mm |
| 9.0 mm | 65.0 mm |
| 10.0 mm | 70.0 mm |
| 12.0 mm | 75.0 mm |
| 16.0 mm | 80.0 mm |
| 20.0 mm | 90.0 mm |
| 25.0 mm | 100.0 mm |
| 30.0 mm | 130.0 mm |
| 35.0 mm | 160.0 mm |
| 40.0 mm | 200.0 mm |
Monel K500 Round Bar Sizes
Standard lengths of 2000 to 6000 mm. Cut to size on request (tolerance +2/-0 mm).
| 5.0 mm | 45.0 mm |
| 6.0 mm | 50.0 mm |
| 7.0 mm | 55.0 mm |
| 8.0 mm | 60.0 mm |
| 9.0 mm | 65.0 mm |
| 10.0 mm | 70.0 mm |
| 12.0 mm | 75.0 mm |
| 16.0 mm | 80.0 mm |
| 20.0 mm | 90.0 mm |
| 25.0 mm | 100.0 mm |
| 30.0 mm | 130.0 mm |
| 35.0 mm | 160.0 mm |
| 40.0 mm | 200.0 mm |

Gnee Steel is a supplier of Monel 400 Bar And K500 Bar, covering tubes: Seamless tubes: Size: 4 - 219 mm; Thickness: 0.5 - 20 mm; Welded tubes: Size: 5.0 - 1219.2 mm; Thickness: 0.5 - 20 mm, Plates: Plate thickness 0.1 to 100 mm; Plate width 10-2500 mm, Strips, Alloy round bar sizes: diameter 3-800 mm;, Flat bar sizes: thickness 2-100 mm; Width: 10-500 mm, Hexagonal bar sizes: 2-100 mm;, Wire and extruded profiles. We work with steel mills to provide customers with 625 alloy, and its products meet or exceed many leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN and BS standards.
Gnee Steel stocks and sells Monel 400 Bar And K500 Bar, Tubes, Pipes, Plates, Strips, Plates, Round Bars, Flat Bars, Forged Billets, Hexagons, Wires and Extruded Profiles. Feel free to contact us for a quote at ss@gneesteel.com





