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S32550 Stainless Steel vs. ACI-ASTM CH10 Steel

Both S32550 stainless steel and ACI-ASTM CH10 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S32550 stainless steel and the bottom bar is ACI-ASTM CH10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 400
180
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 860
540
Tensile Strength: Yield (Proof), MPa 620
230

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.7
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 40
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
150
Resilience: Unit (Modulus of Resilience), kJ/m3 940
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 4.4
3.9
Thermal Shock Resistance, points 23
12

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 24 to 27
22 to 26
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 57.2 to 67
54.8 to 66
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 2.9 to 3.9
0 to 0.5
Nickel (Ni), % 4.5 to 6.5
12 to 15
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040