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EN 1.4439 Stainless Steel vs. ACI-ASTM CE30 Steel

Both EN 1.4439 stainless steel and ACI-ASTM CE30 steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4439 stainless steel and the bottom bar is ACI-ASTM CE30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
11
Fatigue Strength, MPa 270
170
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 680
630
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
19
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.5
3.4
Embodied Energy, MJ/kg 61
49
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 35
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
59
Resilience: Unit (Modulus of Resilience), kJ/m3 240
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 3.8
3.6
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 16.5 to 18.5
26 to 30
Iron (Fe), % 58.7 to 66.9
55.1 to 66
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 12.5 to 14.5
8.0 to 11
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040