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ACI-ASTM CA28MWV Steel vs. EN 1.4971 Stainless Steel

Both ACI-ASTM CA28MWV steel and EN 1.4971 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA28MWV steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
240
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11
34
Fatigue Strength, MPa 470
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 1080
800
Tensile Strength: Yield (Proof), MPa 870
340

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
570
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 3.1
7.6
Embodied Energy, MJ/kg 44
110
Embodied Water, L/kg 100
300

Common Calculations

PREN (Pitting Resistance) 17
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
26
Strength to Weight: Bending, points 30
23
Thermal Diffusivity, mm2/s 6.6
3.4
Thermal Shock Resistance, points 40
19

Alloy Composition

Carbon (C), % 0.2 to 0.28
0.080 to 0.16
Chromium (Cr), % 11 to 12.5
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 81.4 to 85.8
24.3 to 37.1
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
2.5 to 3.5
Nickel (Ni), % 0.5 to 1.0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0.9 to 1.3
2.0 to 3.0
Vanadium (V), % 0.2 to 0.3
0