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S64512 Stainless Steel vs. S17400 Stainless Steel

Both S64512 stainless steel and S17400 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 35 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S64512 stainless steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 21
Fatigue Strength, MPa 540
380 to 670
Impact Strength: V-Notched Charpy, J 47
7.6 to 86
Poisson's Ratio 0.28
0.28
Reduction in Area, % 34
40 to 62
Shear Modulus, GPa 76
75
Shear Strength, MPa 700
570 to 830
Tensile Strength: Ultimate (UTS), MPa 1140
910 to 1390
Tensile Strength: Yield (Proof), MPa 890
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 750
850
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 28
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 18
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
32 to 49
Strength to Weight: Bending, points 31
27 to 35
Thermal Diffusivity, mm2/s 7.5
4.5
Thermal Shock Resistance, points 42
30 to 46

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.070
Chromium (Cr), % 11 to 12.5
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 80.6 to 84.7
70.4 to 78.9
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0