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S40977 Stainless Steel vs. ACI-ASTM CK35MN Steel

Both S40977 stainless steel and ACI-ASTM CK35MN steel are iron alloys. They have 61% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
40
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 510
650
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 720
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.9
5.9
Embodied Energy, MJ/kg 27
81
Embodied Water, L/kg 97
210

Common Calculations

PREN (Pitting Resistance) 12
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
210
Resilience: Unit (Modulus of Resilience), kJ/m3 250
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.7
3.3
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.035
Chromium (Cr), % 10.5 to 12.5
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 83.9 to 89.2
43.4 to 51.8
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 0.3 to 1.0
20 to 22
Nitrogen (N), % 0 to 0.030
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020