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EN 1.4646 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both EN 1.4646 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
11
Fatigue Strength, MPa 340
470
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 750
1080
Tensile Strength: Yield (Proof), MPa 430
870

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 910
740
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 23
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
38
Strength to Weight: Bending, points 24
30
Thermal Shock Resistance, points 16
40

Alloy Composition

Carbon (C), % 0.020 to 0.1
0.2 to 0.28
Chromium (Cr), % 17 to 19
11 to 12.5
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
81.4 to 85.8
Manganese (Mn), % 10.5 to 12.5
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.3
Nickel (Ni), % 3.5 to 4.5
0.5 to 1.0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3