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S17400 Stainless Steel vs. EN 1.4477 Stainless Steel

Both S17400 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S17400 stainless steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 21
22 to 23
Fatigue Strength, MPa 380 to 670
420 to 490
Impact Strength: V-Notched Charpy, J 7.6 to 86
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
81
Shear Strength, MPa 570 to 830
550 to 580
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
880 to 930
Tensile Strength: Yield (Proof), MPa 580 to 1250
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 39
52
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 16
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 49
31 to 33
Strength to Weight: Bending, points 27 to 35
26 to 27
Thermal Diffusivity, mm2/s 4.5
3.5
Thermal Shock Resistance, points 30 to 46
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 15 to 17
28 to 30
Copper (Cu), % 3.0 to 5.0
0 to 0.8
Iron (Fe), % 70.4 to 78.9
56.6 to 63.6
Manganese (Mn), % 0 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 3.0 to 5.0
5.8 to 7.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015