Alu 20

Alu 20o seaustenitic uamea uameafausia mo talosaga e aofia aisulfuric acid. E maua ai fo'i isi fa'aoga i totonu o levaila'au,petrochemical,fa'atupu malosi, mapalasitikaalamanuia. Alloy 20 teteeluamachloride ionapala, sili atu304uamea uamea ma tutusa ma316Lapa siliva. O lona 'apamemea e puipuia ai mai le sulfuric acid. Alloy 20 e masani ona filifilia e foiafa'amamafa ta'eta'efa'afitauli, e ono tupu ile 316L stainless. Alloy o le igoa tutusa ma le igoa "Cb-3" o loʻo faʻaaliacolumbiummautu.

Tulaga

• Nikeli, 32–38%
• Chromium, 19–21%
• kaponi, 0.06% maualuga
• Kopa, 3–4%
• Molybdenum, 2–3%
• Manganese, 2% maualuga
• Silicon, 1.0% maualuga
• Niobium, (8.0 XC), 1% maualuga
• Uamea, 31–44% (paleni)

O isi igoa

• UNS N08020
• DIN 2.4660
• CN7M
• Kamuta 20 CB-3^TM
• AL 20^TM
• Carlson Alloy C20^TM
• Nickelvac 23^TM
• Nicrofer 3620 Nb^TM, e lauiloa foi o le VDM® Alloy 20^[4]

Fa'amatalaga

• ASTM B729, B464, B366, B463, B473, B462
• ASME SB729, SB464, SB366, SB473, SB462
• ANSI / ASTM A555-79
• EN 2.4660^[5]
• UNS N08020^[5]
• Werkstoff 2.4660^[5]
• Ua fa'atulagaina tu'uCN7M