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AWS E309LMo vs. EN 1.6570 Steel

Both AWS E309LMo and EN 1.6570 steel are iron alloys. They have 63% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E309LMo and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11 to 17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 580
910 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.2
1.7
Embodied Energy, MJ/kg 59
23
Embodied Water, L/kg 180
56

Common Calculations

PREN (Pitting Resistance) 32
2.5
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
32 to 40
Strength to Weight: Bending, points 20
27 to 31
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 15
27 to 33

Alloy Composition

Carbon (C), % 0 to 0.040
0.28 to 0.35
Chromium (Cr), % 22 to 25
1.0 to 1.4
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.6 to 63.5
94 to 96.2
Manganese (Mn), % 0.5 to 2.5
0.6 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.3 to 0.5
Nickel (Ni), % 12 to 14
1.6 to 2.1
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015