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S30815 Stainless Steel vs. ACI-ASTM CA6N Steel

Both S30815 stainless steel and ACI-ASTM CA6N steel are iron alloys. They have 85% 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 S30815 stainless steel and the bottom bar is ACI-ASTM CA6N steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
17
Fatigue Strength, MPa 320
640
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
57
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 680
1080
Tensile Strength: Yield (Proof), MPa 350
1060

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1020
740
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 17
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 17
11
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.5
Embodied Energy, MJ/kg 47
35
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 24
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
180
Resilience: Unit (Modulus of Resilience), kJ/m3 310
2900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
38
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 4.0
6.1
Thermal Shock Resistance, points 15
40

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.060
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
10.5 to 12.5
Iron (Fe), % 62.8 to 68.4
77.9 to 83.5
Manganese (Mn), % 0 to 0.8
0 to 0.5
Nickel (Ni), % 10 to 12
6.0 to 8.0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020