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EN 1.4865 Stainless Steel vs. ACI-ASTM CE30 Steel

Both EN 1.4865 stainless steel and ACI-ASTM CE30 steel are iron alloys. They have 70% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4865 stainless steel and the bottom bar is ACI-ASTM CE30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
11
Fatigue Strength, MPa 120
170
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 470
630
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1380
1410
Melting Onset (Solidus), °C 1330
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 12
14
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
19
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.8
3.4
Embodied Energy, MJ/kg 81
49
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 20
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
59
Resilience: Unit (Modulus of Resilience), kJ/m3 160
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 17
21
Thermal Diffusivity, mm2/s 3.1
3.6
Thermal Shock Resistance, points 11
13

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.3
Chromium (Cr), % 18 to 21
26 to 30
Iron (Fe), % 34.4 to 44.7
55.1 to 66
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
8.0 to 11
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040