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S33550 Stainless Steel vs. S17400 Stainless Steel

Both S33550 stainless steel and S17400 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S33550 stainless steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 21
Fatigue Strength, MPa 270
380 to 670
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 470
570 to 830
Tensile Strength: Ultimate (UTS), MPa 680
910 to 1390
Tensile Strength: Yield (Proof), MPa 310
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 470
450
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
14
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 61
39
Embodied Water, L/kg 190
130

Common Calculations

PREN (Pitting Resistance) 30
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 250
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
32 to 49
Strength to Weight: Bending, points 22
27 to 35
Thermal Diffusivity, mm2/s 3.9
4.5
Thermal Shock Resistance, points 15
30 to 46

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.070
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 48.8 to 58.2
70.4 to 78.9
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 16.5 to 20
3.0 to 5.0
Niobium (Nb), % 0.050 to 0.15
0.15 to 0.45
Nitrogen (N), % 0.18 to 0.25
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 0.030