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ACI-ASTM CE30 Steel vs. S31277 Stainless Steel

Both ACI-ASTM CE30 steel and S31277 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE30 steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11
45
Fatigue Strength, MPa 170
380
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 630
860
Tensile Strength: Yield (Proof), MPa 310
410

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.4
6.7
Embodied Energy, MJ/kg 49
90
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 28
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
320
Resilience: Unit (Modulus of Resilience), kJ/m3 240
410
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
25
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.020
Chromium (Cr), % 26 to 30
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 55.1 to 66
35.5 to 46.2
Manganese (Mn), % 0 to 1.5
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 8.0 to 11
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010