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AWS E2595 vs. S44625 Stainless Steel

Both AWS E2595 and S44625 stainless steel are iron alloys. They have 85% 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 E2595 and the bottom bar is S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
22
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 850
590

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.4
2.8
Embodied Energy, MJ/kg 61
39
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 42
30
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.2
4.6
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.010
Chromium (Cr), % 24 to 27
25 to 27.5
Copper (Cu), % 0.4 to 1.5
0 to 0.2
Iron (Fe), % 51.4 to 64.5
69.4 to 74.3
Manganese (Mn), % 0 to 2.5
0 to 0.4
Molybdenum (Mo), % 2.5 to 4.5
0.75 to 1.5
Nickel (Ni), % 8.0 to 10.5
0 to 0.5
Nitrogen (N), % 0.2 to 0.3
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.2
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.020
Tungsten (W), % 0.4 to 1.0
0