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S13800 Stainless Steel vs. AISI 415 Stainless Steel

Both S13800 stainless steel and AISI 415 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is S13800 stainless steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 480
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 18
17
Fatigue Strength, MPa 410 to 870
430
Poisson's Ratio 0.28
0.28
Reduction in Area, % 39 to 62
50
Rockwell C Hardness 30 to 51
28
Shear Modulus, GPa 77
76
Shear Strength, MPa 610 to 1030
550
Tensile Strength: Ultimate (UTS), MPa 980 to 1730
900
Tensile Strength: Yield (Proof), MPa 660 to 1580
700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 810
780
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
24
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.5
Embodied Energy, MJ/kg 46
35
Embodied Water, L/kg 140
110

Common Calculations

PREN (Pitting Resistance) 21
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 5490
1250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 61
32
Strength to Weight: Bending, points 28 to 41
26
Thermal Diffusivity, mm2/s 4.3
6.4
Thermal Shock Resistance, points 33 to 58
33

Alloy Composition

Aluminum (Al), % 0.9 to 1.4
0
Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 12.3 to 13.2
11.5 to 14
Iron (Fe), % 73.6 to 77.3
77.8 to 84
Manganese (Mn), % 0 to 0.2
0.5 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.5 to 1.0
Nickel (Ni), % 7.5 to 8.5
3.5 to 5.5
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.6
Sulfur (S), % 0 to 0.0080
0 to 0.030