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EN 1.4594 Stainless Steel vs. AWS E33-31

Both EN 1.4594 stainless steel and AWS E33-31 are iron alloys. They have 52% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4594 stainless steel and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 17
29
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
810

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 15
36
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
6.0
Embodied Energy, MJ/kg 45
86
Embodied Water, L/kg 130
260

Common Calculations

PREN (Pitting Resistance) 19
44
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 41
28
Strength to Weight: Bending, points 29 to 31
24
Thermal Shock Resistance, points 34 to 39
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 13 to 15
31 to 35
Copper (Cu), % 1.2 to 2.0
0.4 to 0.8
Iron (Fe), % 72.6 to 79.5
24.7 to 34.8
Manganese (Mn), % 0 to 1.0
2.5 to 4.0
Molybdenum (Mo), % 1.2 to 2.0
1.0 to 2.0
Nickel (Ni), % 5.0 to 6.0
30 to 32
Niobium (Nb), % 0.15 to 0.6
0
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.9
Sulfur (S), % 0 to 0.015
0 to 0.010