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EN 1.3975 Stainless Steel vs. ACI-ASTM CA40F Steel

Both EN 1.3975 stainless steel and ACI-ASTM CA40F 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.3975 stainless steel and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
13
Fatigue Strength, MPa 230
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 660
770
Tensile Strength: Yield (Proof), MPa 320
550

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 910
750
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1320
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.5
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.0
Embodied Energy, MJ/kg 47
28
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 21
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
94
Resilience: Unit (Modulus of Resilience), kJ/m3 270
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 15
28

Alloy Composition

Carbon (C), % 0 to 0.050
0.2 to 0.4
Chromium (Cr), % 16 to 18
11.5 to 14
Iron (Fe), % 58.2 to 65.4
81.6 to 88.3
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 8.0 to 9.0
0 to 1.0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0.2 to 0.4