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EN 1.3956 Stainless Steel vs. EN 1.7366 Steel

Both EN 1.3956 stainless steel and EN 1.7366 steel are iron alloys. They have 63% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 27
17 to 19
Fatigue Strength, MPa 240
160 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 650
460 to 710
Tensile Strength: Yield (Proof), MPa 330
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1080
510
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.7
Embodied Energy, MJ/kg 68
23
Embodied Water, L/kg 180
69

Common Calculations

PREN (Pitting Resistance) 34
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
16 to 25
Strength to Weight: Bending, points 21
17 to 23
Thermal Shock Resistance, points 18
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.18
Chromium (Cr), % 20.5 to 23.5
4.0 to 6.0
Iron (Fe), % 51.9 to 62.1
91.9 to 95.3
Manganese (Mn), % 4.0 to 6.0
0.3 to 0.8
Molybdenum (Mo), % 1.5 to 3.0
0.45 to 0.65
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.1 to 0.3
0