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EN 1.4310 Stainless Steel vs. S17400 Stainless Steel

Both EN 1.4310 stainless steel and S17400 stainless steel are iron alloys. They have a moderately high 93% 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 EN 1.4310 stainless steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
11 to 21
Fatigue Strength, MPa 240 to 330
380 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 510 to 550
570 to 830
Tensile Strength: Ultimate (UTS), MPa 730 to 900
910 to 1390
Tensile Strength: Yield (Proof), MPa 260 to 570
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 910
850
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 20
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
32 to 49
Strength to Weight: Bending, points 23 to 27
27 to 35
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 15 to 18
30 to 46

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.070
Chromium (Cr), % 16 to 19
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 66.4 to 78
70.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030