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AISI 403 Stainless Steel vs. ASTM A182 Grade F12 Class 2

Both AISI 403 stainless steel and ASTM A182 grade F12 class 2 are iron alloys. They have 89% 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 403 stainless steel and the bottom bar is ASTM A182 grade F12 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 25
22
Fatigue Strength, MPa 200 to 340
220
Poisson's Ratio 0.28
0.29
Reduction in Area, % 47 to 50
34
Shear Modulus, GPa 76
73
Shear Strength, MPa 340 to 480
340
Tensile Strength: Ultimate (UTS), MPa 530 to 780
540
Tensile Strength: Yield (Proof), MPa 280 to 570
310

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 28
43
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.6
Embodied Energy, MJ/kg 27
21
Embodied Water, L/kg 99
52

Common Calculations

PREN (Pitting Resistance) 12
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 28
19
Strength to Weight: Bending, points 19 to 24
19
Thermal Diffusivity, mm2/s 7.6
12
Thermal Shock Resistance, points 20 to 29
16

Alloy Composition

Carbon (C), % 0 to 0.15
0.1 to 0.2
Chromium (Cr), % 11.5 to 13
0.8 to 1.3
Iron (Fe), % 84.7 to 88.5
96.4 to 98.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.040