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EN 1.4347 Stainless Steel vs. S15700 Stainless Steel

Both EN 1.4347 stainless steel and S15700 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 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 1.4347 stainless steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
1.1 to 29
Fatigue Strength, MPa 320
370 to 770
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 660
1180 to 1890
Tensile Strength: Yield (Proof), MPa 480
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 28
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 570
640 to 4660
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
42 to 67
Strength to Weight: Bending, points 22
32 to 43
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 19
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.050
0 to 0.090
Chromium (Cr), % 25 to 27
14 to 16
Iron (Fe), % 62.2 to 69.4
69.6 to 76.8
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 5.5 to 7.5
6.5 to 7.7
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030