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S17400 Stainless Steel vs. S13800 Stainless Steel

Both S17400 stainless steel and S13800 stainless steel are iron alloys. They have a moderately high 92% 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 S17400 stainless steel and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
290 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
11 to 18
Fatigue Strength, MPa 380 to 670
410 to 870
Poisson's Ratio 0.28
0.28
Reduction in Area, % 40 to 62
39 to 62
Rockwell C Hardness 27 to 43
30 to 51
Shear Modulus, GPa 75
77
Shear Strength, MPa 570 to 830
610 to 1030
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
980 to 1730
Tensile Strength: Yield (Proof), MPa 580 to 1250
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 850
810
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 39
46
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 16
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
1090 to 5490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 49
35 to 61
Strength to Weight: Bending, points 27 to 35
28 to 41
Thermal Diffusivity, mm2/s 4.5
4.3
Thermal Shock Resistance, points 30 to 46
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 15 to 17
12.3 to 13.2
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
73.6 to 77.3
Manganese (Mn), % 0 to 1.0
0 to 0.2
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 3.0 to 5.0
7.5 to 8.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0080