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S44735 Stainless Steel vs. ACI-ASTM CA6NM Steel

Both S44735 stainless steel and ACI-ASTM CA6NM steel are iron alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is ACI-ASTM CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
250
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 21
17
Fatigue Strength, MPa 300
380
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
76
Tensile Strength: Ultimate (UTS), MPa 630
850
Tensile Strength: Yield (Proof), MPa 460
620

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 650
390
Maximum Temperature: Mechanical, °C 1100
770
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 21
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.5
Embodied Energy, MJ/kg 61
34
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 42
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 520
1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
30
Strength to Weight: Bending, points 21
26
Thermal Shock Resistance, points 20
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 28 to 30
11.5 to 14
Iron (Fe), % 60.7 to 68.4
78.4 to 84.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.6 to 4.2
0.4 to 1.0
Nickel (Ni), % 0 to 1.0
3.5 to 4.5
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0