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EN 1.4874 Stainless Steel vs. ACI-ASTM CA15M Steel

Both EN 1.4874 stainless steel and ACI-ASTM CA15M steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4874 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 210
200
Elongation at Break, % 6.7
20
Fatigue Strength, MPa 180
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 480
690
Tensile Strength: Yield (Proof), MPa 360
510

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 560
390
Maximum Temperature: Mechanical, °C 1150
760
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
27
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
2.1
Embodied Energy, MJ/kg 110
29
Embodied Water, L/kg 290
100

Common Calculations

PREN (Pitting Resistance) 34
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
25
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 3.3
7.2
Thermal Shock Resistance, points 11
25

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.15
Chromium (Cr), % 19 to 22
11.5 to 14
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
82.1 to 88.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0.15 to 1.0
Nickel (Ni), % 18 to 22
0 to 1.0
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.65
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 2.0 to 3.0
0