Incoloy 20 alloy is a kind of molybdenum and copper nickel base alloy, has the very good thermal and cold working properties of corrosion resistant alloy, the oxidation and secondary reducing erosion has good resistance, excellent resistance to stress corrosion cracking ability and good resistance to local corrosion ability in many chemical process medium has satisfactory corrosion resistant properties.
alloy | Ni | Cr | Cu | Mo | Fe | C | Nb+Ti | Mn | P | S | Si |
Inconel 20 | 32.0-38.0 | 19.0~21.0 | 3.0~4.0 | 2.0~3.0 | balance | ≤ 0.07 | ≤1.0 | ≤2.0 | ≤0.045 | ≤0.035 | ≤1.0 |
Density
|
8.08 g/cm³
|
Melting point
|
1357-1430 ℃
|
Condition | Tensile strength (MPa) | Yield strength(MPa) | Elongation(%) |
Alloy20 | 620 | 300 | 40 |
Bar/Rod | Wire | Strip/Coil | Sheet/Plate |
Forging Stock
|
Pipe/Tube |
Other
|
ASTM B 462 ,ASTM B 472,
ASTM B 473,ASME SB 472,
ASME SB 473
DIN 17752-17754
|
ASTM A 240, ASTM A 480,
ASTM B 463, ASTM B 906,
ASME SA 240, ASME SA 480,
DIN 17750
|
ASTM B 729, ASTM B 829,
ASTM B 468, ASTM B 751,
ASTM B 464, ASTM B 775,
ASTM B 474,DIN 77751
|
DIN 17744, ASTM B 366,
ASTM B 462, ASTM B 471,
ASTM B 475, ASME SB 366,
ASME SB-462
|
• Good corrosion resistance to oxidizing and reductive media,
• Excellent resistance to stress corrosion cracking,
• Good corrosion resistance to many Chemical processing.
It has been widely used in chemical processing industry, hot sea water and hydrometallurgy.
Heat exchangers, pipes, valves and pumps are mainly used to deal with hot H2SO4, chloride solution, Na2SO3 and other environments.
• Sulfuric acid pickling tanks, racks and heating coils • Phosphate coating drums and racks
• Heat exchangers • Bubble caps
• Process piping •Mixing tanks
• Chemical and petroleum process equipment