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AISI 434 Stainless Steel vs. ASTM A372 Grade F Steel

Both AISI 434 stainless steel and ASTM A372 grade F steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 434 stainless steel and the bottom bar is ASTM A372 grade F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 24
20 to 22
Fatigue Strength, MPa 220
310 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 330
410 to 570
Tensile Strength: Ultimate (UTS), MPa 520
650 to 910
Tensile Strength: Yield (Proof), MPa 320
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
420
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
44
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.5
Embodied Energy, MJ/kg 33
20
Embodied Water, L/kg 120
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 260
500 to 810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
23 to 32
Strength to Weight: Bending, points 18
21 to 27
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 19
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.12
0.3 to 0.4
Chromium (Cr), % 16 to 18
0.8 to 1.2
Iron (Fe), % 78.6 to 83.3
96.8 to 97.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0.75 to 1.3
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010