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AISI 204 Stainless Steel vs. S44627 Stainless Steel

Both AISI 204 stainless steel and S44627 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 204 stainless steel and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 330
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 39
24
Fatigue Strength, MPa 320 to 720
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 500 to 700
310
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
490
Tensile Strength: Yield (Proof), MPa 380 to 1080
300

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.9
Embodied Energy, MJ/kg 35
41
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 20
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
100
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
220
Stiffness to Weight: Axial, points 14
15
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
4.6
Thermal Shock Resistance, points 16 to 24
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 15 to 17
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 69.6 to 76.4
69.2 to 74.2
Manganese (Mn), % 7.0 to 9.0
0 to 0.4
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 1.5 to 3.0
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.2
Nitrogen (N), % 0.15 to 0.3
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020