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AWS E70C-B2L vs. ACI-ASTM CN7MS Steel

Both AWS E70C-B2L and ACI-ASTM CN7MS steel are iron alloys. They have 52% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E70C-B2L and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
39
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 580
540
Tensile Strength: Yield (Proof), MPa 460
230

Thermal Properties

Latent Heat of Fusion, J/g 260
340
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
5.1
Embodied Energy, MJ/kg 22
71
Embodied Water, L/kg 54
180

Common Calculations

PREN (Pitting Resistance) 3.0
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 550
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.070
Chromium (Cr), % 1.0 to 1.5
18 to 20
Copper (Cu), % 0 to 0.35
1.5 to 2.0
Iron (Fe), % 95.1 to 98
45.4 to 53.5
Manganese (Mn), % 0.4 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.65
2.5 to 3.0
Nickel (Ni), % 0 to 0.2
22 to 25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 0.6
2.5 to 3.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.030
0
Residuals, % 0 to 0.5
0