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EN 1.3956 Stainless Steel vs. ACI-ASTM CK35MN Steel

Both EN 1.3956 stainless steel and ACI-ASTM CK35MN 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 stainless steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 27
40
Fatigue Strength, MPa 240
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 650
650
Tensile Strength: Yield (Proof), MPa 330
310

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1080
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 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.8
5.9
Embodied Energy, MJ/kg 68
81
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 34
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 270
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.035
Chromium (Cr), % 20.5 to 23.5
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 51.9 to 62.1
43.4 to 51.8
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
6.0 to 6.8
Nickel (Ni), % 11.5 to 13.5
20 to 22
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
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 0.030
0 to 0.020
Vanadium (V), % 0.1 to 0.3
0