Bars - Superimphy®C22 - N06220 pages

Bar
Corrosion application

SY 22
SY22 is a fully austenitic advanced corrosion resistance alloy that offers resistance to both aqueous corrosion and attack at
elevated temperatures but also good tensile properties.
1. Chemical content

3. Applications

UNS N06022
EN NiCr21MoCr14W
Wr 2.4602

•

Ni

Cr

Mo

Fe

W

Co

base

20 - 22,5

12,5 - 14,5

2-6

2,5 - 3,5

< 2,5

2. Corrosion resistance

•
•
•
•

Chemical industries (sulfuric acid, hydrochloric
acids, nitric acids, ferric and cupric salts,…)
Petrochemical processing
Pollution control (Flue gas desulfurization)
Pulp and paper industry
Marine applications

Standards related to these applications :
ASTM B574 and B564, NACE MR0175

Stress-Corrosion cracking resistance according to
NACE MR0175 is guaranteed.
4. Shapes – Tolerances – Destinations
Round bars
Section
Process
Surface Conditions
Length
Weight
Packaging
Tolerances

Ø 4 to Ø 20mm
Cold bars
Raw, rectified, chamfrened
3 to 6m
min 400Kg
Wooden box or narrow
strapping
drawn straightened and
rectified
h9, Ra < 1,2µm

+/- 3mm

Peeled (Ra < 6,3µm)

Uses
Customer processes
used in manufacturing
finished parts

Peeled + roller burnished
h11, Ra < 3,2µm

< 1mm/m

+/- 3mm

-0/+ 0,8mm for diameter < 80mm
-0/+1,2mm for diameter > 81mm

Ground

Straightness

Ø 20 to Ø 115mm
Ø 100 to Ø 300mm
Hot-rolled bars
Forged bars
Peeled, rectified, polished,
Peeled, ground, rectified,
roller burnished, raw
polished, raw
3 to 6m
min 1000Kg
Wooden box or narrow
Secured package
strapping

- 0 / +3mm

< 4,2mm/m

< 4,2mm/m

Bars for machining

Bars for machining or hot-transformation

Machining, free-cutting

Machining, forging, stamping, hot-rolling, drop forging,
ring beking, drawing, upsetting, ring rolling,…

Aperam Alloys Imphy
Innovatis
5, rue Luigi Cherubini
F- 93212 St Denis

Tel + 33 1 71 92 00
Fax + 33 1 92 07 93
nickel.alloys@aperam.com
www.aperam.com/alloys-imphy

© March 2012

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