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EN 1.3975 Stainless Steel vs. ACI-ASTM CN3M Steel

Both EN 1.3975 stainless steel and ACI-ASTM CN3M steel are iron alloys. They have 75% 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 CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
34
Fatigue Strength, MPa 230
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 660
500
Tensile Strength: Yield (Proof), MPa 320
190

Thermal Properties

Latent Heat of Fusion, J/g 340
310
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.5
8.1
Embodied Carbon, kg CO2/kg material 3.3
5.9
Embodied Energy, MJ/kg 47
80
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 21
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
130
Resilience: Unit (Modulus of Resilience), kJ/m3 270
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 16 to 18
20 to 22
Iron (Fe), % 58.2 to 65.4
42.4 to 52.5
Manganese (Mn), % 7.0 to 9.0
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
4.5 to 5.5
Nickel (Ni), % 8.0 to 9.0
23 to 27
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030