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AISI 302 Stainless Steel vs. ACI-ASTM CT15C Steel

Both AISI 302 stainless steel and ACI-ASTM CT15C steel are iron alloys. They have 73% 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 302 stainless steel and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.5 to 46
23
Fatigue Strength, MPa 210 to 520
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
500
Tensile Strength: Yield (Proof), MPa 230 to 1100
190

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 710
1080
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
36
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.0
6.1
Embodied Energy, MJ/kg 42
88
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 260
90
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 3070
93
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 51
17
Strength to Weight: Bending, points 20 to 36
17
Thermal Diffusivity, mm2/s 4.4
3.2
Thermal Shock Resistance, points 12 to 31
12

Alloy Composition

Carbon (C), % 0 to 0.15
0.050 to 0.15
Chromium (Cr), % 17 to 19
19 to 21
Iron (Fe), % 67.9 to 75
40.3 to 49.2
Manganese (Mn), % 0 to 2.0
0.15 to 1.5
Nickel (Ni), % 8.0 to 10
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0.15 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030