What material is the national standard for monel 400 pipe?
The national standard for monel 400 pipe is MCu-28-1.5-1.8.
Monel 400 is implemented in accordance with ASTM B127/ASME SB-127, ASTM B163/ASME SB-163, ASTM B165/ASME SB-165
Monel400 corrosion-resistant copper-nickel alloy material
W-Nr: 2.4360/Monel400 (UNS N04400) copper-nickel alloy
Physical properties: density: 8.9g/cm3, melting point: 1300-1350 ℃, magnetism: none
Mechanical properties: tensile strength: σb≥480Mpa, yield strength σb≥195Mpa: elongation: δ≥35%, hardness: HB135-179
Introduction
The chemical composition of Monel400 alloy is mainly composed of 30%Cu and 65%Ni plus a small amount of Fe (1%-2%). Due to differences in chemical composition, it can have a variety of alloy grades, but there is no significant difference in corrosion resistance between them. Monel400 alloy is more resistant to corrosion in reducing media than pure nickel, and more resistant to corrosion in oxidizing media than pure copper.
National standards and common names: MONEL400, ASTM B127, ASME SB-127, AMS 4554, JIS NW4400
USA UNS: N04400, Germany DIN: NiCu30Fe W-Nr: 2.4360 China GB/T: MCu-28-1.5-1.8 UK BS: NA 12 Chemical composition number: Ni68Cu28Fe
Chemical element composition of Monel400 alloy: C: ≤0.3, Si: ≤0.50, Mn: ≤2.0, Ni: ≥63, Cu: 28～34, S: ≤ 0.024, Fe ≤ 2.5,
Monel400 is a corrosion-resistant alloy with the largest amount, the widest application and excellent comprehensive performance. This alloy has excellent corrosion resistance in hydrofluoric acid and fluorine gas media, and also has excellent corrosion resistance to hot concentrated alkali solution. It is also resistant to corrosion from neutral solutions, water, seawater, atmosphere, organic compounds, etc. An important feature of this alloy is that it generally does not produce stress corrosion cracks and has good cutting performance.
Performance
Tensile strength: σb ≥ 450Mpa, yield strength: σb ≥ 170Mpa, elongation: δ ≥ 30%.
