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EN 1.3961 Alloy vs. S17700 Stainless Steel

Both EN 1.3961 alloy and S17700 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3961 alloy and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
1.0 to 23
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 300
740 to 940
Tensile Strength: Ultimate (UTS), MPa 450
1180 to 1650
Tensile Strength: Yield (Proof), MPa 310
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 66
40
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 250
460 to 3750
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
42 to 59
Strength to Weight: Bending, points 16
32 to 40
Thermal Shock Resistance, points 130
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.050
0 to 0.090
Chromium (Cr), % 0 to 0.25
16 to 18
Iron (Fe), % 60.7 to 65
70.5 to 76.8
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
6.5 to 7.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030