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AWS E385 vs. EN 1.4959 Stainless Steel

Both AWS E385 and EN 1.4959 stainless steel are iron alloys. They have a moderately high 92% 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 E385 and the bottom bar is EN 1.4959 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
40
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 580
630

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 5.8
5.4
Embodied Energy, MJ/kg 79
76
Embodied Water, L/kg 200
200

Common Calculations

PREN (Pitting Resistance) 36
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.6
3.2
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 0
0.25 to 0.65
Carbon (C), % 0 to 0.030
0.050 to 0.1
Chromium (Cr), % 19.5 to 21.5
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 1.2 to 2.0
0 to 0.5
Iron (Fe), % 41.8 to 50.1
39.4 to 50.5
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 4.2 to 5.2
0
Nickel (Ni), % 24 to 26
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.9
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65