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Latrobe CSS-42Lâ„¢ VIM-VAR High Performance Carburizing Stainless Steel; Bearing and Gear Steel

Category Metal , Ferrous Metal , Stainless Steel
Manufacturer Latrobe Steel
Trade Name CSS-42L™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe CSS-42Lâ„¢ VIM-VAR High Performance Carburizing Stainless Steel; Bearing and Gear Steel.pdf
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Material Notes:
CSS-42L™ is a case carburizable stainless steel alloy intended to be used at operating temperatures up to 800°F (427°C). The alloy is able to achieve and maintain a high surface hardness when carburized and heat treated that combines high fracture toughness, hot hardness, metal-to-metal wear resistance and corrosion resistance while retaining core ductility and strength. The alloy is particularly suited for use in bearing applications and also in cams, shafts, gears, bolts and like articles exposed to elevated temperature and corrosive atmospheres. This material is covered by U.S. Patent No. 5,424,028.Information Provided by Timken Latrobe Steel.Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Physical Properties Metric English Comments
Density 7.94 g/cc
0.287 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 68
68
RT
63

@Temperature 427 °C
63

@Temperature 800 °F
Tensile Strength, Ultimate 1760 MPa
255200 psi
496°C Temper Temperature
1840 MPa
267000 psi
524°C Temper Temperature
Tensile Strength, Yield 1336 MPa
193800 psi
496°C Temper Temperature
1340 MPa
194000 psi
524°C Temper Temperature
Elongation at Break 16 %
16 %
524°C Temper Temperature
18.5 %
18.5 %
496°C Temper Temperature
Reduction of Area 54.6 %
54.6 %
524°C Temper Temperature
56.2 %
56.2 %
496°C Temper Temperature
Modulus of Elasticity 207.9 GPa
30160 ksi
496°C Temper Temperature
211.3 GPa
30650 ksi
524°C Temper Temperature
Fracture Toughness 113 MPa-m½

@Treatment Temp. 496 °C
103 ksi-in½

@Treatment Temp. 925 °F
496°C Temper Temperature, TL Orientation, Core; ASTM E399
Thermal Properties Metric English Comments
CTE, linear 10.95 µm/m-°C

@Temperature 20.0 - 100 °C
6.083 µin/in-°F

@Temperature 68.0 - 212 °F
12.48 µm/m-°C

@Temperature 20.0 - 600 °C
6.933 µin/in-°F

@Temperature 68.0 - 1110 °F
Specific Heat Capacity 0.452 J/g-°C

@Temperature 23.0 °C
0.108 BTU/lb-°F

@Temperature 73.4 °F
0.644 J/g-°C

@Temperature 900 °C
0.154 BTU/lb-°F

@Temperature 1650 °F
Thermal Conductivity 15.3 W/m-K
106 BTU-in/hr-ft²-°F
29.9 W/m-K

@Temperature 900 °C
208 BTU-in/hr-ft²-°F

@Temperature 1650 °F
Component Elements Properties Metric English Comments
Carbon, C 0.12 %
0.12 %
Chromium, Cr 14 %
14 %
Cobalt, Co 12.5 %
12.5 %
Iron, Fe 66.01 %
66.01 %
Molybdenum, Mo 4.75 %
4.75 %
Nickel, Ni 2.0 %
2.0 %
Niobium, Nb (Columbium, Cb) 0.020 %
0.020 %
Vanadium, V 0.60 %
0.60 %
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