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AISI 303 Stainless Steel vs. ACI-ASTM CH10 Steel

Both AISI 303 stainless steel and ACI-ASTM CH10 steel are iron alloys. They have 89% 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 AISI 303 stainless steel and the bottom bar is ACI-ASTM CH10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40 to 51
34
Fatigue Strength, MPa 230 to 360
180
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 600 to 690
540
Tensile Strength: Yield (Proof), MPa 230 to 420
230

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.7
Embodied Energy, MJ/kg 42
53
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 18
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
150
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
19
Strength to Weight: Bending, points 20 to 22
19
Thermal Diffusivity, mm2/s 4.4
3.9
Thermal Shock Resistance, points 13 to 15
12

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 17 to 19
22 to 26
Iron (Fe), % 67.3 to 74.9
54.8 to 66
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 8.0 to 10
12 to 15
Phosphorus (P), % 0 to 0.2
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0.15 to 0.35
0 to 0.040