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S45000 Stainless Steel vs. EN 1.6956 Steel

Both S45000 stainless steel and EN 1.6956 steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is EN 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
370
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
9.6
Fatigue Strength, MPa 330 to 650
680
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 590 to 830
730
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
1230
Tensile Strength: Yield (Proof), MPa 580 to 1310
1120

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 39
31
Embodied Water, L/kg 130
60

Common Calculations

PREN (Pitting Resistance) 17
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
3320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
43
Strength to Weight: Bending, points 28 to 36
32
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 33 to 47
36

Alloy Composition

Carbon (C), % 0 to 0.050
0.28 to 0.38
Chromium (Cr), % 14 to 16
1.0 to 1.7
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
92.4 to 95.3
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0.5 to 1.0
0.3 to 0.6
Nickel (Ni), % 5.0 to 7.0
2.9 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.080 to 0.25