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Heat resistant steel UNS S44600

Heat resistant steel UNS S44600

Heat resistant steel UNS S44600

UNS S44600 equal material : SUH446,AISI 446 ,X8Cr28

Material 1.4083 is heat-resistant steel, the Japanese JIS standard ferrite series heat resistant steel. Because of this kind of steel is ferrite, quenching can not get martensite organization. Because at about 600 degree slow cooling, on the precipitation of alpha phase after annealing embrittlement, therefore, from the 780~ 880 degree air cooling is necessary because of the high temperature oxidation resistance, therefore, the heat resistant parts under 1100 degree (sheet) and anti sulfur gases, high corrosion resistance, used in the heating box, nozzle,domestic oil heater's combustion chamber and other components.

UNS S44600 Chemical composition

Material
C
Cr
P
S
Mo
N
others
S44600
0.007
25.7
0.012
0.007
0.8
0.01
Mn: 0.2

UNS S44600 Physical properties

Density (g/cm3)
Magnetic
Specific heat 250C(J/kg.0C)
Thermal conductivity1000C (W/m.)
Thermal expansion rate  20~1000C   (10-6/0C)
7.75
Exist
500
18.4
11

UNS S44600 mechanical properties

Material
YS(MPa)
TS(MPa)
EL
HV
S44600
335
538
30
167

UNS S44600 Product form
Round bar, Square bar, Plate steel/flat bar, Tube/pipe, sheet, Forging
UNS S44600 applications
1. X-ray tube bases
2. Boiler baffles
3. Oil burner components
4. Annealing boxes
5. Industrial mufflers
6. Kiln linings
7. Glass molds
8. Furnace parts

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