ASTM A710 Steel, grade A, class 2, 6.4

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ASTM A710 Steel, grade A, class 2, 6.4 - 25 mm inclusive
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; ASTM Steel; Carbon Steel; Low Carbon Steel
Material Notes:	Low-carbon age-hardened alloy steel Normalized at 870 - 930°C, precipitation heat treated at 540 - 650°C. The following are suggested consumables for arc welding processes: Manual Shielded Metal-Arc (AWS A5.5) Low Hydrogen Electrodes E9016, and E9018; Submerged Arc (AWS A5.23) F9x-Exxx; Gas Metal-Arc (AWS A5.28) ER90S-x; Flux Cored-Arc (AWS A5.29) E9xT-x except -2, -3, -10, and -GS.
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Physical Properties	Original Value	Comments

Density	7.85 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	495 MPa
Tensile Strength, Yield	450 MPa
Elongation at Break	20 %	in 50 mm
Modulus of Elasticity	205 GPa	Typical for steel
Bulk Modulus	160 GPa	Typical for steel.
Poissons Ratio	0.29	Calculated
Shear Modulus	80.0 GPa	Typical for steel.
Charpy Impact	68.0 J @Temperature -45.0 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000234 ohm-cm	Typical steel

Thermal Properties	Original Value	Comments
Specific Heat Capacity	0.475 J/g-°C	Typical steel
Thermal Conductivity	46.6 W/m-K	Typical steel

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.070 %
Chromium, Cr	0.60 - 0.90 %
Copper, Cu	1.0 - 1.3 %
Iron, Fe	95.33 - 97.13 %	As remainder
Manganese, Mn	0.40 - 0.70 %
Molybdenum, Mo	0.15 - 0.25 %
Nickel, Ni	0.70 - 1.0 %
Niobium, Nb (Columbium, Cb)	>= 0.020 %
Phosphorus, P	<= 0.025 %
Silicon, Si	<= 0.40 %
Sulfur, S	<= 0.025 %

References for this datasheet.

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M710AB / 8261

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