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Tel : 0086-0371-86172891
Alloy 20 nickel-chromium steel alloy
Alloy 20 equal material : UNS N08020 , NS143, 0Cr20Ni35Mo3Cu4Nb, NiCr20CuMo
Alloy20 (NS143), also called # 20 alloy, Carpenter20Cb3, corrosion resistant alloy has many excellent performances, and the oxidizing and reducing corrosion medium 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, including aggressive strong inorganic acid solution, chlorine and various medium containing chloride, chlorine gas drying, formic acid and acetic acid, acid anhydride, seawater and brine etc.
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Ni
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Co
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Cr
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Fe
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Nb
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Ta
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C
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Mn
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Si
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S
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P
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Cu
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Min
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14
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6.0
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|
|
|
|
|
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Max
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72
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17
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10.0
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1.0
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0.15
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1.0
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0.5
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0.015
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0.04
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0.5
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0.35
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0.50
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Alloy 20 Mechanical property:(The minimum value in 20 degree testing mechanical properties )
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Heat treatment
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Strenth extention σb/MPa
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Yield Extention σp0.2/MPa
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Elongation σ5 /%
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Brinell hardness HBS
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|
Solid solution treatment
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585
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240
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30
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≥217
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Alloy 20 features:
Corrosion resistant alloy has many excellent performances, and the oxidizing and reducing corrosion medium has good resistance,excellent resistance to stress corrosion cracking ability and good resistance to local corrosion ability in much chemical process medium has satisfactory corrosion resistant properties.
Alloy 20 Scope of application areas are:
Hydrometallurgy and sculpture acid industry.
