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EN 1.4507 Stainless Steel vs. S17400 Stainless Steel

Both EN 1.4507 stainless steel and S17400 stainless steel are iron alloys. They have 84% 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 EN 1.4507 stainless steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
11 to 21
Fatigue Strength, MPa 410
380 to 670
Impact Strength: V-Notched Charpy, J 90
7.6 to 86
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 530
570 to 830
Tensile Strength: Ultimate (UTS), MPa 840
910 to 1390
Tensile Strength: Yield (Proof), MPa 590
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 21
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.7
Embodied Energy, MJ/kg 55
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 41
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 850
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
32 to 49
Strength to Weight: Bending, points 25
27 to 35
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 23
30 to 46

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 24 to 26
15 to 17
Copper (Cu), % 1.0 to 2.5
3.0 to 5.0
Iron (Fe), % 56.4 to 65.8
70.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.0
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030