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Rulon Bearings

ASTM A387 Alloy Steel, grade 22, Chromium Molybdenum  (discontinued **)
Categories: Metal; Ferrous Metal; ASTM Steel; Tool Steel; Cold Work Steel

Material Notes: 2.25Cr-1Mo STEEL PLATES FOR BOILERS AND PRESSURE VESSLES (SCMV 4 NT)

discontinued in 1989

Creep and rupture data provided by NIMS

Key Words: JIS G4109 SCMV 4; DIN WSN7380 10CrMo9 10; UNS K21590
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Physical PropertiesMetricEnglishComments
Density 7.80 g/cc0.282 lb/in³Based on UNS number
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 515 - 690 MPa74700 - 100000 psi
Tensile Strength, Yield 310 MPa45000 psi
Elongation at Break 18 %18 %
Rupture Strength  38.0 MPa
@Temperature 600 °C,
Time 3.60e+8 sec
5510 psi
@Temperature 1110 °F,
Time 100000 hour
 50.0 - 57.0 MPa
@Temperature 575 °C,
Time 3.60e+8 sec
7250 - 8270 psi
@Temperature 1070 °F,
Time 100000 hour
 70.0 - 77.0 MPa
@Temperature 550 °C,
Time 3.60e+8 sec
10200 - 11200 psi
@Temperature 1020 °F,
Time 100000 hour
 89.0 - 110 MPa
@Temperature 525 °C,
Time 3.60e+8 sec
12900 - 16000 psi
@Temperature 977 °F,
Time 100000 hour
 110 - 149 MPa
@Temperature 500 °C,
Time 3.60e+8 sec
16000 - 21600 psi
@Temperature 932 °F,
Time 100000 hour
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.050 - 0.15 %0.050 - 0.15 %
Chromium, Cr 2.0 - 2.5 %2.0 - 2.5 %
Iron, Fe 95.1 - 96.75 %95.1 - 96.75 %
Manganese, Mn 0.30 - 0.60 %0.30 - 0.60 %
Molybdenum, Mo 0.90 - 1.1 %0.90 - 1.1 %
Phosphorus, P <= 0.025 %<= 0.025 %
Silicon, Si <= 0.50 %<= 0.50 %
Sulfur, S <= 0.025 %<= 0.025 %

**
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