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CARPENTER 20CB3

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Alias

CARPENTER 20CB3
ALLOY 20
NiCr20CuMo
2.4660
UNS N08020
N0820

Chemistry

Element Min Max
C(Carbon) 0.07 %
Cr(Chromium) 19% 21%
Cu(Copper) 3% 4%
Fe(Iron) Balance
Mn(Manganese) 2%
Mo(Molybdenum) 2% 3%
Ni(Nickel) 32% 38%
P(Phosphorus) 0.02%
S(Sulphur) 0.005%
Si(Silicon) 1%
Mechanical Properties Min Max
Ultimate Tensile Strength (UTS) 617 MPa
0.2% Proof Stress 274 MPa
Elongation 50%
Gauge Length A50mm
Hardness (Brinell) 184 HRB

Heat Treatment;
Annealing: heat to 941-1010 degs C. for 30 mins per 25.40 mm. of thickness, and water quench.
Hardening: can only be hardened through cold working.

Uses

Bolting
Widely used in the Chemical processing, pulp and paper, food production and waste disposal industries for its excellent corrosion resistance. Protecting against general corrosion and stress corrosion cracking.

Disclaimer:
Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
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