ASTM A573 Steel, grade 70
Categories: Metal; Ferrous Metal; ASTM Steel; Carbon Steel; Low Carbon Steel

Material Notes: Carbon-manganese-silicon steel plate, structural quality
Improved toughness

Intended for fusion welding and for service at atmospheric temperatures where improved notch toughness is important. Mn content is exceedable if C content plus Mn content is < 0.40%. The following are suggested consumables for arc welding processes: Manual Shielded Metal-Arc (AWS A5.5) Low Hydrogen Electrodes E7015, E7016, E7018, E7028; Submerged Arc (AWS A5.23) F7x-Exxx; Gas Metal-Arc (AWS A5.28) ER70S-x; Flux Cored-Arc (AWS A5.29) E7xT-x except -2, -3, -10, or -GS.

Similar entries in MatWeb include: ASTM A573 grade 50, grade 65

Key Words: UNS K02701
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Physical PropertiesMetricEnglishComments
Density 7.80 g/cc0.282 lb/inĀ³Typical of ASTM Steel
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 485 - 620 MPa70300 - 89900 psi
Tensile Strength, Yield 290 MPa42100 psi
Elongation at Break 18 %18 %in 200 mm
Bulk Modulus 160 GPa23200 ksiTypical for steel
Shear Modulus 80.0 GPa11600 ksiTypical for steel
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.28 %0.28 %may vary with plate thickness
Iron, Fe 98 %98 %as balance
Manganese, Mn 0.85 - 1.2 %0.85 - 1.2 %
Phosphorous, P 0.040 %0.040 %
Silicon, Si 0.15 - 0.40 %0.15 - 0.40 %
Sulfur, S 0.050 %0.050 %

References for this datasheet.

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