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ACI-ASTM CA6NM Steel vs. S46910 Stainless Steel

Both ACI-ASTM CA6NM steel and S46910 stainless steel are iron alloys. They have 88% 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 ACI-ASTM CA6NM steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
2.2 to 11
Fatigue Strength, MPa 380
250 to 1020
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 850
680 to 2470
Tensile Strength: Yield (Proof), MPa 620
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
540
Maximum Temperature: Mechanical, °C 770
810
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
4.1
Embodied Energy, MJ/kg 34
55
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 15
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
24 to 86
Strength to Weight: Bending, points 26
22 to 51
Thermal Shock Resistance, points 31
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 11.5 to 14
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 78.4 to 84.6
65 to 76
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
3.0 to 5.0
Nickel (Ni), % 3.5 to 4.5
8.0 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2