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ACI-ASTM CK35MN Steel vs. S44700 Stainless Steel

Both ACI-ASTM CK35MN steel and S44700 stainless steel are iron alloys. They have 75% 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 CK35MN steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 40
23
Fatigue Strength, MPa 270
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
82
Tensile Strength: Ultimate (UTS), MPa 650
600
Tensile Strength: Yield (Proof), MPa 310
450

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.9
3.6
Embodied Energy, MJ/kg 81
49
Embodied Water, L/kg 210
180

Common Calculations

PREN (Pitting Resistance) 48
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.010
Chromium (Cr), % 22 to 24
28 to 30
Copper (Cu), % 0 to 0.4
0 to 0.15
Iron (Fe), % 43.4 to 51.8
64.9 to 68.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 6.0 to 6.8
3.5 to 4.2
Nickel (Ni), % 20 to 22
0 to 0.15
Nitrogen (N), % 0.21 to 0.32
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.020
0 to 0.020