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AWS E309H vs. ACI-ASTM CF10SMnN Steel

Both AWS E309H and ACI-ASTM CF10SMnN steel are iron alloys. They have 88% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E309H and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
34
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 620
660

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Melting Completion (Liquidus), °C 1410
1360
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.7
3.1
Embodied Energy, MJ/kg 52
45
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 25
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0.040 to 0.15
0 to 0.1
Chromium (Cr), % 22 to 25
16 to 18
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 55.8 to 65.5
59.1 to 65.4
Manganese (Mn), % 0.5 to 2.5
7.0 to 9.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030