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Z21CDNbV11/Z20CNNbV11

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Alias

JETHETE X19
X19CrMoNiNbVN11 1
1.4913
Z21CDNbV11
Z20CNNbV11

Chemistry

Base Element Fe(Iron)

Element Min Max
Al(Aluminium) 0.02%
B(Boron) 0.0015%
C(Carbon) 0.17% 0.23%
Cr(Chromium) 10% 11.5%
Mn(Manganese) 0.4% 0.9%
Mo(Molybdenum) 0.5% 0.8%
N(Nitrogen) 0.05% 0.1%
Nb(Niobium) 0.25% 0.55%
Ni(Nickel) 0.2% 0.6%
P(Phosphorus) 0.025%
S(Sulphur) 0.015%
Si(Silicon) 0.5%
V(Vanadium) 0.1% 0.3%

Mechanical Properties Min Max
Ultimate Tensile Strength (UTS) 900 MPa 1050 MPa
Yield Strength 750 MPa
Elongation 12%
Reduction of Area 40%
Charpy V-Notch Impact (RT) 20 Joules
Hardness (Brinell) 302 HBW

Heat treatment of comparable X19CrMoVNbN11 1;
Hardening temperature of 1150 degs C
Tempering in the range 680-700 degs C

Uses

Bolting

Used commonly within the Power generation industry and Process plants for its high oxidation resistance. Usually used for Turbine fasteners, turbine blading and fasteners.

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