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S20910 Stainless Steel vs. ACI-ASTM CB7Cu-1 Steel

Both S20910 stainless steel and ACI-ASTM CB7Cu-1 steel are iron alloys. They have 79% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is ACI-ASTM CB7Cu-1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
300 to 420
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
5.7 to 11
Fatigue Strength, MPa 310 to 460
420 to 590
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 780 to 940
960 to 1350
Tensile Strength: Yield (Proof), MPa 430 to 810
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 68
38
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 34
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
1500 to 3590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
34 to 48
Strength to Weight: Bending, points 24 to 27
28 to 35
Thermal Diffusivity, mm2/s 3.6
4.6
Thermal Shock Resistance, points 17 to 21
32 to 45

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 20.5 to 23.5
15.5 to 17.7
Copper (Cu), % 0
2.5 to 3.2
Iron (Fe), % 52.1 to 62.1
72.3 to 78.4
Manganese (Mn), % 4.0 to 6.0
0 to 0.7
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
3.6 to 4.6
Niobium (Nb), % 0.1 to 0.3
0 to 0.35
Nitrogen (N), % 0.2 to 0.4
0 to 0.050
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0