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ACI-ASTM CG12 Steel vs. S30600 Stainless Steel

Both ACI-ASTM CG12 steel and S30600 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG12 steel and the bottom bar is S30600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
45
Fatigue Strength, MPa 190
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 550
610
Tensile Strength: Yield (Proof), MPa 220
270

Thermal Properties

Latent Heat of Fusion, J/g 300
350
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1040
950
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.3
3.6
Embodied Energy, MJ/kg 48
51
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 22
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
220
Resilience: Unit (Modulus of Resilience), kJ/m3 120
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.018
Chromium (Cr), % 20 to 23
17 to 18.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 60.3 to 70
58.9 to 65.3
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 10 to 13
14 to 15.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
3.7 to 4.3
Sulfur (S), % 0 to 0.040
0 to 0.020