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Elmet Technologies

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ASTM A302 Alloy Steel, Grade A  (discontinued **)
Categories: Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; ASTM Steel; Carbon Steel; Low Carbon Steel

Material Notes: Mn-Mo-Ni alloy steel plates for boilers and other pressure vessels.

Spec discontinued in 1989

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Physical PropertiesOriginal ValueComments
Density 7.80 g/ccTypical of ASTM Steel
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 515 - 655 MPa
Tensile Strength, Yield 310 MPa
Elongation at Break 15 %in 200mm
 19 %in 50mm
Modulus of Elasticity 200 GPaTypical Carbon Steel
Bulk Modulus 160 GPaTypical for Steel
Poissons Ratio 0.29Typical Carbon Steel
Shear Modulus 80.0 GPaTypical for Steel
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000170 ohm-cmTypical Carbon Steel
 
Thermal PropertiesOriginal ValueComments
CTE, linear 12.0 µm/m-°CTypical Carbon Steel
Specific Heat Capacity 0.470 J/g-°CTypical Carbon Steel
Thermal Conductivity 52.0 W/m-KTypical Carbon Steel
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.25 %may vary with plate thickness
Iron, Fe 97.75 %as balance
Manganese, Mn 0.95 - 1.3 %
Molybdenum, Mo 0.45 - 0.60 %
Phosphorus, P 0.035 %
Silicon, Si 0.15 - 0.40 %
Sulfur, S 0.040 %

References for this datasheet.

**
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Users viewing this material also viewed the following:
ASTM A302 Alloy Steel, Grade D
ASTM A202 Low Alloy Steel, Grade A
ASTM A302 Alloy Steel, Grade B
ASTM A710 Steel, grade A, class 2, 25 - 50 mm inclusive
ASTM A710 Steel, grade A, class 3, 6.4 - 50 mm inclusive

MSA302A / 142837

Ensinger PEI

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