Monel400

Overview

The most widely used corrosion-resistant alloy with superior comprehensive performance. Exhibits exceptional corrosion resistance in hydrofluoric acid and fluorine gas environments, along with excellent resistance to hot concentrated alkali solutions. Also resistant to neutral solutions, water, seawater, atmosphere, and organic compounds. Key characteristics include exceptional stress corrosion cracking resistance, good machinability, and significant work hardening capability.

Types & Specifications

Grade Standards	Monel 300, Monel 400, Monel K500 Standards: ASTM B127, B164, B165, B564
Shapes	Diameter: 3 mm – 50 mm Length: 1000 mm – 3000 mm Hardness: Soft, Half-Hard, Hard
Performance	Melting point 1300–1350°C, Tensile strength 550 MPa, Yield strength 240 MPa, Elongation 35–40%

Key Features

High Toughness, Superior Strength

Excellent elasticity, Exceptional Stability

Good Fatigue Resistance

Outstanding corrosion resistance

Excellent Deep Drawing Performance

Applications

Desalination equipment

Crude oil distillation

Pumps, valves, fasteners

Containers for hydrofluoric acid, hydrochloric acid, alkalis, and organic solvents

Production Process

Monel K500 Applications:

• Turbine blades and gas turbine components in aviation engines

• Fasteners and springs for marine engineering
• Pump and valve parts for chemical equipment