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S13800 Stainless Steel vs. S44800 Stainless Steel

Both S13800 stainless steel and S44800 stainless steel are iron alloys. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is S13800 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 480
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 18
23
Fatigue Strength, MPa 410 to 870
300
Poisson's Ratio 0.28
0.27
Reduction in Area, % 39 to 62
45
Rockwell C Hardness 30 to 51
18
Shear Modulus, GPa 77
82
Shear Strength, MPa 610 to 1030
370
Tensile Strength: Ultimate (UTS), MPa 980 to 1730
590
Tensile Strength: Yield (Proof), MPa 660 to 1580
450

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 810
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.8
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 21
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 5490
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 61
21
Strength to Weight: Bending, points 28 to 41
20
Thermal Diffusivity, mm2/s 4.3
4.6
Thermal Shock Resistance, points 33 to 58
19

Alloy Composition

Aluminum (Al), % 0.9 to 1.4
0
Carbon (C), % 0 to 0.050
0 to 0.010
Chromium (Cr), % 12.3 to 13.2
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 73.6 to 77.3
62.6 to 66.5
Manganese (Mn), % 0 to 0.2
0 to 0.3
Molybdenum (Mo), % 2.0 to 3.0
3.5 to 4.2
Nickel (Ni), % 7.5 to 8.5
2.0 to 2.5
Nitrogen (N), % 0 to 0.010
0 to 0.020
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.2
Sulfur (S), % 0 to 0.0080
0 to 0.020