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EN 1.6956 Steel vs. S32506 Stainless Steel

Both EN 1.6956 steel and S32506 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6956 steel and the bottom bar is S32506 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 370
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.6
21
Fatigue Strength, MPa 680
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 730
440
Tensile Strength: Ultimate (UTS), MPa 1230
710
Tensile Strength: Yield (Proof), MPa 1120
500

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.9
Embodied Energy, MJ/kg 31
54
Embodied Water, L/kg 60
180

Common Calculations

PREN (Pitting Resistance) 2.8
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3320
620
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 43
25
Strength to Weight: Bending, points 32
23
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 36
19

Alloy Composition

Carbon (C), % 0.28 to 0.38
0 to 0.030
Chromium (Cr), % 1.0 to 1.7
24 to 26
Iron (Fe), % 92.4 to 95.3
60.8 to 67.4
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.6
3.0 to 3.5
Nickel (Ni), % 2.9 to 3.8
5.5 to 7.2
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.9
Sulfur (S), % 0 to 0.035
0 to 0.015
Tungsten (W), % 0
0.050 to 0.3
Vanadium (V), % 0.080 to 0.25
0