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SAE-AISI A7 Steel vs. AWS E317

Both SAE-AISI A7 steel and AWS E317 are iron alloys. They have 69% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is AWS E317.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
620

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37
15
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 10
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 13
4.3
Embodied Energy, MJ/kg 200
59
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 11
31
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 77
22
Strength to Weight: Bending, points 25 to 48
20
Thermal Diffusivity, mm2/s 10
3.9
Thermal Shock Resistance, points 27 to 72
16

Alloy Composition

Carbon (C), % 2.0 to 2.9
0 to 0.080
Chromium (Cr), % 5.0 to 5.8
18 to 21
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 81.4 to 87.7
56.6 to 66.5
Manganese (Mn), % 0 to 0.8
0.5 to 2.5
Molybdenum (Mo), % 0.9 to 1.4
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
12 to 14
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0