MakeItFrom.com
Menu (ESC)

ACI-ASTM CB30 Steel vs. S21603 Stainless Steel

Both ACI-ASTM CB30 steel and S21603 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB30 steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 500
690
Tensile Strength: Yield (Proof), MPa 230
390

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
3.6
Embodied Energy, MJ/kg 33
50
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Unit (Modulus of Resilience), kJ/m3 140
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
22
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 18 to 21
17.5 to 22
Copper (Cu), % 0 to 1.2
0
Iron (Fe), % 72.9 to 82
57.6 to 67.8
Manganese (Mn), % 0 to 1.0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 2.0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030