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S30415 Stainless Steel vs. ACI-ASTM CK3MCuN Steel

Both S30415 stainless steel and ACI-ASTM CK3MCuN steel are iron alloys. They have 82% 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 S30415 stainless steel and the bottom bar is ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
39
Fatigue Strength, MPa 300
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 670
620
Tensile Strength: Yield (Proof), MPa 330
290

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 940
1090
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
29
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.1
5.6
Embodied Energy, MJ/kg 43
76
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 21
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
200
Resilience: Unit (Modulus of Resilience), kJ/m3 280
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 5.6
3.2
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0.040 to 0.060
0 to 0.025
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 67.8 to 71.8
49.5 to 56.3
Manganese (Mn), % 0 to 0.8
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 9.0 to 10
17.5 to 19.5
Nitrogen (N), % 0.12 to 0.18
0.18 to 0.24
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010