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S21603 Stainless Steel vs. ACI-ASTM CK35MN Steel

Both S21603 stainless steel and ACI-ASTM CK35MN steel are iron alloys. They have 78% 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 S21603 stainless steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
40
Fatigue Strength, MPa 360
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 690
650
Tensile Strength: Yield (Proof), MPa 390
310

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.6
5.9
Embodied Energy, MJ/kg 50
81
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 34
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.035
Chromium (Cr), % 17.5 to 22
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 57.6 to 67.8
43.4 to 51.8
Manganese (Mn), % 7.5 to 9.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
6.0 to 6.8
Nickel (Ni), % 5.0 to 7.0
20 to 22
Nitrogen (N), % 0.25 to 0.5
0.21 to 0.32
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020