BÖHLER L022

BÖHLER L022 belongs to the group of highly corrosion-resistant nickel-chromium-molybdenum-tungsten alloys with extremely low carbon and silicon contents. Good resistance to wet media, e.g. sulphuric acid, nitric acid, acid mixtures of sulphuric acid and oxidising acids with chloride ions. Recommended for use in the presence of strong oxidising agents such as iron(III) and copper(II) chlorides, chlorine gas, formic acid, acetic acid, seawater and other salt solutions. High resistance to crevice, pitting and stress corrosion cracking at elevated temperatures under oxidising and reducing conditions. Used in environmental engineering, e.g. in agitators, heat exchangers and spray systems in flue gas cleaning plants and in waste water treatment plants, evaporation plants in chemical process engineering, in chlorine bleaching plants and plants for the production of chlorine gas and hydrogen chloride, e.g. butterfly valves, gate valves, pipelines and centrifuges. Suitable for pressurised containers with wall temperatures from-196°C to 400°C. Due to its good thermal stability, BÖHLER L022 can generally be used in the welded condition without subsequent heat treatment.

Available Product Shapes

Long Products: Presented data refer exclusively to long products. Please observe the detailed explanations at the end of the data sheet (pdf).

Melting Route

VIM + ESR or Airmelted + ESR

Material Numbers

Market grade
Alloy C22
SEL
2.4602
EN
NiCr21Mo14W
UNS
N06022

Standards

ASTM
B564
ASTM
B574
Others
VdTÜV WB479
Others
NACE MR0103 / ISO 17945
Others
NACE MR0175 / ISO 15156

Chemical Composition

* Chemical Composition (Average %)

C
max. 0.010
Si
max. 0.08
Mn
max. 0.5
P
max. 0.025
S
max. 0.010
Cr
20.0 to 22.5
Mo
12.5 to 14.5
Ni
REM
V
max. 0.35
W
2.5 to 3.5
Co
max. 2.5
Fe
2.0 to 6.0

Applications

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