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AWS E317L vs. ACI-ASTM CN7MS Steel

Both AWS E317L and ACI-ASTM CN7MS steel are iron alloys. They have 86% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E317L and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
39
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 580
540

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.3
5.1
Embodied Energy, MJ/kg 59
71
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 31
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.9
3.2
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.070
Chromium (Cr), % 18 to 21
18 to 20
Copper (Cu), % 0 to 0.75
1.5 to 2.0
Iron (Fe), % 56.6 to 66.5
45.4 to 53.5
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
2.5 to 3.0
Nickel (Ni), % 12 to 14
22 to 25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
2.5 to 3.5
Sulfur (S), % 0 to 0.030
0 to 0.030