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EN 1.4945 Stainless Steel vs. ACI-ASTM CE30 Steel

Both EN 1.4945 stainless steel and ACI-ASTM CE30 steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4945 stainless steel and the bottom bar is ACI-ASTM CE30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 19 to 34
11
Fatigue Strength, MPa 230 to 350
170
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 640 to 740
630
Tensile Strength: Yield (Proof), MPa 290 to 550
310

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 520
460
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1490
1410
Melting Onset (Solidus), °C 1440
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
19
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.0
3.4
Embodied Energy, MJ/kg 73
49
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
59
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
23
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 3.7
3.6
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.3
Chromium (Cr), % 15.5 to 17.5
26 to 30
Iron (Fe), % 57.9 to 65.7
55.1 to 66
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 15.5 to 17.5
8.0 to 11
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Tungsten (W), % 2.5 to 3.5
0