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EN 1.4859 Stainless Steel vs. ACI-ASTM CA15M Steel

Both EN 1.4859 stainless steel and ACI-ASTM CA15M steel are iron alloys. They have 59% 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 1.4859 stainless steel and the bottom bar is ACI-ASTM CA15M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
20
Fatigue Strength, MPa 140
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 490
690
Tensile Strength: Yield (Proof), MPa 210
510

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 560
390
Maximum Temperature: Mechanical, °C 1050
760
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
27
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
7.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
2.1
Embodied Energy, MJ/kg 88
29
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 21
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
130
Resilience: Unit (Modulus of Resilience), kJ/m3 110
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 3.4
7.2
Thermal Shock Resistance, points 11
25

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.15
Chromium (Cr), % 19 to 21
11.5 to 14
Iron (Fe), % 40.3 to 49
82.1 to 88.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.15 to 1.0
Nickel (Ni), % 31 to 33
0 to 1.0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0 to 0.65
Sulfur (S), % 0 to 0.030
0 to 0.040