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S17400 Stainless Steel vs. EN 1.4542 Stainless Steel

Both S17400 stainless steel and EN 1.4542 stainless steel are iron alloys. Their average alloy composition is basically identical. 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 S17400 stainless steel and the bottom bar is EN 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
5.7 to 20
Fatigue Strength, MPa 380 to 670
370 to 640
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 570 to 830
550 to 860
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
880 to 1470
Tensile Strength: Yield (Proof), MPa 580 to 1250
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 850
860
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 39
39
Embodied Water, L/kg 130
130

Common Calculations

PREN (Pitting Resistance) 16
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
880 to 4360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 49
31 to 52
Strength to Weight: Bending, points 27 to 35
26 to 37
Thermal Diffusivity, mm2/s 4.5
4.3
Thermal Shock Resistance, points 30 to 46
29 to 49

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.070
Chromium (Cr), % 15 to 17
15 to 17
Copper (Cu), % 3.0 to 5.0
3.0 to 5.0
Iron (Fe), % 70.4 to 78.9
69.6 to 79
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 3.0 to 5.0
3.0 to 5.0
Niobium (Nb), % 0.15 to 0.45
0 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015