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EN 1.4303 Stainless Steel vs. ACI-ASTM CE3MN Steel

Both EN 1.4303 stainless steel and ACI-ASTM CE3MN steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 1.4303 stainless steel and the bottom bar is ACI-ASTM CE3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 13 to 49
20
Fatigue Strength, MPa 220 to 320
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 590 to 900
770
Tensile Strength: Yield (Proof), MPa 230 to 560
590

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
4.2
Embodied Energy, MJ/kg 46
58
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 19
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
840
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
27
Strength to Weight: Bending, points 20 to 26
24
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 13 to 20
21

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 17 to 19
24 to 26
Iron (Fe), % 64.8 to 72
58.1 to 65.9
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 11 to 13
6.0 to 8.0
Nitrogen (N), % 0 to 0.1
0.1 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.040