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EN 1.3956 Stainless Steel vs. AWS E309LMo

Both EN 1.3956 stainless steel and AWS E309LMo are iron alloys. They have a very high 96% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is AWS E309LMo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 650
580

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 22
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
4.2
Embodied Energy, MJ/kg 68
59
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 34
32
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.040
Chromium (Cr), % 20.5 to 23.5
22 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 51.9 to 62.1
53.6 to 63.5
Manganese (Mn), % 4.0 to 6.0
0.5 to 2.5
Molybdenum (Mo), % 1.5 to 3.0
2.0 to 3.0
Nickel (Ni), % 11.5 to 13.5
12 to 14
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0