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AISI 204 Stainless Steel vs. ASTM A182 Grade FR

Both AISI 204 stainless steel and ASTM A182 grade FR are iron alloys. They have 76% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 204 stainless steel and the bottom bar is ASTM A182 grade FR.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 330
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23 to 39
28
Fatigue Strength, MPa 320 to 720
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 500 to 700
320
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
490
Tensile Strength: Yield (Proof), MPa 380 to 1080
360

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 850
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.3
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.6
Embodied Energy, MJ/kg 35
21
Embodied Water, L/kg 130
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
120
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 40
17
Strength to Weight: Bending, points 24 to 31
17
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 16 to 24
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 69.6 to 76.4
95.2 to 97.3
Manganese (Mn), % 7.0 to 9.0
0.4 to 1.1
Nickel (Ni), % 1.5 to 3.0
1.6 to 2.2
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050