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S17400 Stainless Steel vs. EN 1.4000 Stainless Steel

Both S17400 stainless steel and EN 1.4000 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 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 S17400 stainless steel and the bottom bar is EN 1.4000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
22
Fatigue Strength, MPa 380 to 670
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 570 to 830
320
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
500
Tensile Strength: Yield (Proof), MPa 580 to 1250
260

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 850
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 39
27
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 16
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
91
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 49
18
Strength to Weight: Bending, points 27 to 35
18
Thermal Diffusivity, mm2/s 4.5
8.1
Thermal Shock Resistance, points 30 to 46
18

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 15 to 17
12 to 14
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
83.9 to 88
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015