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ACI-ASTM CD4MCuN Steel vs. S46910 Stainless Steel

Both ACI-ASTM CD4MCuN steel and S46910 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 27 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 CD4MCuN steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
2.2 to 11
Fatigue Strength, MPa 340
250 to 1020
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 770
680 to 2470
Tensile Strength: Yield (Proof), MPa 550
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
540
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 18
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.5
4.1
Embodied Energy, MJ/kg 49
55
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 35
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 760
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
24 to 86
Strength to Weight: Bending, points 24
22 to 51
Thermal Shock Resistance, points 21
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24.5 to 26.5
11 to 13
Copper (Cu), % 2.7 to 3.3
1.5 to 3.5
Iron (Fe), % 59.5 to 66.3
65 to 76
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.7 to 2.3
3.0 to 5.0
Nickel (Ni), % 4.7 to 6.0
8.0 to 10
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2