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AWS E3155 vs. EN 1.4938 Stainless Steel

Both AWS E3155 and EN 1.4938 stainless steel are iron alloys. They have 47% 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 E3155 and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
16 to 17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 770
870 to 1030

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
30
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
10
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.7
3.3
Embodied Energy, MJ/kg 110
47
Embodied Water, L/kg 300
110

Common Calculations

PREN (Pitting Resistance) 35
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
31 to 37
Strength to Weight: Bending, points 22
26 to 29
Thermal Diffusivity, mm2/s 3.3
8.1
Thermal Shock Resistance, points 20
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.1
0.080 to 0.15
Chromium (Cr), % 20 to 22.5
11 to 12.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
80.5 to 84.8
Manganese (Mn), % 1.0 to 2.5
0.4 to 0.9
Molybdenum (Mo), % 2.5 to 3.5
1.5 to 2.0
Nickel (Ni), % 19 to 21
2.0 to 3.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0.25 to 0.4