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Ensinger PEI

AISI Type S45500 Stainless Steel, hardened at 480°C (900°F) for 4 hours, air cooled
Categories: Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T S40000 Series Stainless Steel
Material Notes: Martensitic, age-hardenable, easily formable (annealed), no corrosion in fresh water, resists staining in normal air atmosphere, good resistance to pitting in 5% salt spray and 5% ferric chloride. For use in service temperatures up to 425°C.
Key Words: UNS S45500, AMS 5578, AMS 5617, AMS 5672, AMS 5860, ASTM A313 (XM-16), ASTM A564 (XM-16), ASTM A705 (XM-16), martensitic, pitting resistant, T S45503
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Physical PropertiesMetricEnglishComments
Density 7.80 g/cc0.282 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell  297
@Thickness 4.10 mm		297
@Thickness 0.161 in		Converted from Rockwell C hardness. Strip
 499
@Thickness 1.30 mm		499
@Thickness 0.0512 in		Converted from Rockwell C hardness. Strip
 472
@Diameter 25.4 mm		472
@Diameter 1.00 in		Converted from Rockwell C hardness. Bar
Hardness, Knoop  318
@Thickness 4.10 mm		318
@Thickness 0.161 in		Converted from Rockwell C hardness. Strip
 553
@Thickness 1.30 mm		553
@Thickness 0.0512 in		Converted from Rockwell C hardness. Strip
 522
@Diameter 25.4 mm		522
@Diameter 1.00 in		Converted from Rockwell C hardness. Bar
Hardness, Rockwell C  31
@Thickness 4.10 mm		31
@Thickness 0.161 in		Strip
 51
@Thickness 1.30 mm		51
@Thickness 0.0512 in		Strip
 49
@Diameter 25.4 mm		49
@Diameter 1.00 in		Bar
Hardness, Vickers  308
@Thickness 4.10 mm		308
@Thickness 0.161 in		Converted from Rockwell C hardness. Strip
 533
@Thickness 1.30 mm		533
@Thickness 0.0512 in		Converted from Rockwell C hardness. Strip
 502
@Diameter 25.4 mm		502
@Diameter 1.00 in		Converted from Rockwell C hardness. Bar
Tensile Strength, Ultimate  1795 MPa
@Thickness 1.30 mm		260300 psi
@Thickness 0.0512 in		Strip
 1795 MPa
@Thickness 4.10 mm		260300 psi
@Thickness 0.161 in		Strip
 1725 MPa
@Diameter 25.4 mm		250200 psi
@Diameter 1.00 in		Bar
Tensile Strength, Yield  1725 MPa
@Strain 0.2 %,
Thickness 1.30 mm		250200 psi
@Strain 0.2 %,
Thickness 0.0512 in		Strip
 1725 MPa
@Strain 0.2 %,
Thickness 4.10 mm		250200 psi
@Strain 0.2 %,
Thickness 0.161 in		Strip
 1670 MPa
@Strain 0.2 %,
Diameter 25.4 mm		242000 psi
@Strain 0.2 %,
Diameter 1.00 in		Bar
Elongation at Break  3.0 %
@Thickness 4.10 mm		3.0 %
@Thickness 0.161 in		in 50 mm; Strip
 3.0 %
@Thickness 1.30 mm		3.0 %
@Thickness 0.0512 in		in 50 mm; Strip
 6.0 %
@Thickness 1.30 mm		6.0 %
@Thickness 0.0512 in		in 25 mm; Strip
 8.0 %
@Thickness 4.10 mm		8.0 %
@Thickness 0.161 in		in 25 mm; Strip
 10 %
@Diameter 25.4 mm		10 %
@Diameter 1.00 in		in 50 mm; Bar
Modulus of Elasticity 200 GPa29000 ksiTypical for stainless steel
Notched Tensile Strength 1795 MPa
@Diameter 25.4 mm		260300 psi
@Diameter 1.00 in		Bar
Charpy Impact 12.0 J
@Diameter 25.4 mm		8.85 ft-lb
@Diameter 1.00 in		Bar
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000900 ohm-cm0.0000900 ohm-cmannealed, 0.000075 Ohm-cm when annealed and aged at 510°C for 4 hours and air cooled.
 
Thermal PropertiesMetricEnglishComments
CTE, linear  10.6 µm/m-°C
@Temperature 22.0 - 95.0 °C		5.89 µin/in-°F
@Temperature 71.6 - 203 °F
 10.8 µm/m-°C
@Temperature 22.0 - 150 °C		6.00 µin/in-°F
@Temperature 71.6 - 302 °F
 11.2 µm/m-°C
@Temperature 22.0 - 205 °C		6.22 µin/in-°F
@Temperature 71.6 - 401 °F
 11.7 µm/m-°C
@Temperature 22.0 - 260 °C		6.50 µin/in-°F
@Temperature 71.6 - 500 °F
 12.1 µm/m-°C
@Temperature 22.0 - 315 °C		6.72 µin/in-°F
@Temperature 71.6 - 599 °F
Specific Heat Capacity 0.480 J/g-°C0.115 BTU/lb-°FTypical value for stainless steel.
Thermal Conductivity  18.0 W/m-K
@Temperature 100 °C		125 BTU-in/hr-ft²-°F
@Temperature 212 °F
 19.7 W/m-K
@Temperature 200 °C		137 BTU-in/hr-ft²-°F
@Temperature 392 °F
 21.3 W/m-K
@Temperature 300 °C		148 BTU-in/hr-ft²-°F
@Temperature 572 °F
 23.4 W/m-K
@Temperature 400 °C		162 BTU-in/hr-ft²-°F
@Temperature 752 °F
 24.7 W/m-K
@Temperature 500 °C		171 BTU-in/hr-ft²-°F
@Temperature 932 °F
Maximum Service Temperature, Air 425 °C797 °F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C <= 0.050 %<= 0.050 %
Chromium, Cr 11.8 %11.8 %
Copper, Cu 2.0 %2.0 %
Iron, Fe 73 %73 %
Manganese, Mn <= 0.50 %<= 0.50 %
Molybdenum, Mo <= 0.50 %<= 0.50 %
Nickel, Ni 8.5 %8.5 %
Niobium, Nb (Columbium, Cb) 2.0 %2.0 %
Phosphorus, P <= 0.040 %<= 0.040 %
Silicon, Si <= 0.50 %<= 0.50 %
Sulfur, S <= 0.030 %<= 0.030 %
Titanium, Ti 1.1 %1.1 %

References for this datasheet.

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