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AISI 204 Stainless Steel vs. S44537 Stainless Steel

Both AISI 204 stainless steel and S44537 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 33 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 AISI 204 stainless steel and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 330
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 39
21
Fatigue Strength, MPa 320 to 720
230
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 500 to 700
320
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
510
Tensile Strength: Yield (Proof), MPa 380 to 1080
360

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
530
Maximum Temperature: Mechanical, °C 850
1000
Melting Completion (Liquidus), °C 1410
1480
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
3.4
Embodied Energy, MJ/kg 35
50
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
95
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 40
18
Strength to Weight: Bending, points 24 to 31
18
Thermal Diffusivity, mm2/s 4.1
5.6
Thermal Shock Resistance, points 16 to 24
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 15 to 17
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 69.6 to 76.4
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 7.0 to 9.0
0 to 0.8
Nickel (Ni), % 1.5 to 3.0
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.15 to 0.3
0 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0