Alloy 20 Specification
STANDARD | Alloy 20 |
WERKSTOFF NR. | 2.4660 |
AFNOR | Z2NCUD31-20AZ |
EN | NiCr20CuMo |
UNS | N08020 |
NACE | MR0175 |
Pipes | ASTM B729 (Seamless Pipes), ASTM B464 (Welded Pipes) |
Tubes | ASTM B729 (Seamless Tubes), ASTM B468 (Welded Tubes) |
Sheets & Plates | ASTM B463 |
Round Bars | ASTM B473 |
Forging | ASTM B462 |
Fittings | ASTM B366 |
Applications | Piping, Heat Exchangers, Heavy Chemicals, Pharmaceuticals, Pumps, Valves, Tanks, Pumps, Petrochemical |
Chemical Composition for WNR 2.4660 Alloy 20
Ni
|
P
|
S
|
C
|
Fe
|
Cr
|
Si
|
Cu
|
Mo
|
Mn
|
Nb
|
32.00-38.00
|
.045max
|
.035max
|
.07max
|
Balance
|
19.0-21.0
|
1.0max
|
3.0-4.0
|
2.0-3.0
|
2.0max
|
8xC-1.0max
|
Mechanical Properties UNS N08020 Alloy 20
Form | Elongation Min. | Tensile Min. | Yield Min. (.2% offset) | Reduction of Area Min. |
Bar (hot or cold finished) | 30% | 80 ksi | 35 ksi | 50% |
Sheet/Plate
|
30%
|
80 ksi
|
35 ksi
|
-
|
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