Outokumpu 4841 High Temperature Austenitic Stainless Steel

Category	Metal , Ferrous Metal , Austenitic , Stainless Steel
Manufacturer	Outokumpu
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Outokumpu 4841 High Temperature Austenitic Stainless Steel.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Variant of 1.4845 with an increased silicon content which enhances the steel's resistance to oxidation/corrosion but has also made it more susceptible to embrittlement.Applications: Heat and creep resistance. For use over 550°C for equipment and components within: Iron, steel, and non-ferrous industriesEngineering industryEnergy conservation plantsCement industryAvailable in hot rolled plate (Quarto) form.

Physical Properties	Metric	English	Comments
Density	7.80 g/cc	0.282 lb/in³	RT

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	595 MPa	86300 psi	Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
Tensile Strength, Yield	275 MPa @Strain 0.200 %	39900 psi @Strain 0.200 %	Outokumpu Typical,Hot Rolled Plate (Quarto); EN 10002-1
	315 MPa @Strain 1.00 %	45700 psi @Strain 1.00 %	Outokumpu Typical,Hot Rolled Plate (Quarto); EN 10002-1
Elongation at Break	55 %	55 %	Outokumpu Typical, Hot Rolled Plate (Quarto); EN 10002-1
Rupture Strength	10.0 MPa @Temperature 900 °C, Time 3.60e+7 sec	1450 psi @Temperature 1650 °F, Time 10000 hour
	14.0 MPa @Temperature 850 °C, Time 3.60e+7 sec	2030 psi @Temperature 1560 °F, Time 10000 hour
	20.0 MPa @Temperature 800 °C, Time 3.60e+7 sec	2900 psi @Temperature 1470 °F, Time 10000 hour
	28.0 MPa @Temperature 750 °C, Time 3.60e+7 sec	4060 psi @Temperature 1380 °F, Time 10000 hour
	40.0 MPa @Temperature 700 °C, Time 3.60e+7 sec	5800 psi @Temperature 1290 °F, Time 10000 hour
	65.0 MPa @Temperature 650 °C, Time 3.60e+7 sec	9430 psi @Temperature 1200 °F, Time 10000 hour
	130 MPa @Temperature 600 °C, Time 3.60e+7 sec	18900 psi @Temperature 1110 °F, Time 10000 hour
Modulus of Elasticity	196 GPa	28400 ksi	RT
	120 GPa @Temperature 1000 °C	17400 ksi @Temperature 1830 °F
	158 GPa @Temperature 500 °C	22900 ksi @Temperature 932 °F

Thermal Properties	Metric	English	Comments
CTE, linear	18.8 µm/m-°C @Temperature 500 °C	10.4 µin/in-°F @Temperature 932 °F
	20.0 µm/m-°C @Temperature 1000 °C	11.1 µin/in-°F @Temperature 1830 °F
Specific Heat Capacity	0.470 J/g-°C	0.112 BTU/lb-°F	RT
	0.530 J/g-°C @Temperature 500 °C	0.127 BTU/lb-°F @Temperature 932 °F
Thermal Conductivity	11.9 W/m-K	82.6 BTU-in/hr-ft²-°F	RT
	27.8 W/m-K @Temperature 1000 °C	193 BTU-in/hr-ft²-°F @Temperature 1830 °F
Maximum Service Temperature, Air	1125 °C	2057 °F	Dry Air

Component Elements Properties	Metric	English
Carbon, C	0.020 %	0.020 %
Chromium, Cr	25 %	25 %
Iron, Fe	54.98 %	54.98 %
Nickel, Ni	20 %	20 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000960 ohm-cm	0.0000960 ohm-cm	RT

Processing Properties	Metric	English	Comments
Annealing Temperature	1040 - 1070 °C	1900 - 1960 °F	Stress Relief Annealing (min. 0.5 h)
	1050 - 1150 °C	1920 - 2100 °F	Solution Annealing

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