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ASTM A182 Grade F5a vs. S39274 Stainless Steel

Both ASTM A182 grade F5a and S39274 stainless steel are iron alloys. They have 68% 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 ASTM A182 grade F5a and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 25
17
Fatigue Strength, MPa 380
380
Poisson's Ratio 0.29
0.27
Reduction in Area, % 56
34
Shear Modulus, GPa 74
81
Shear Strength, MPa 450
560
Tensile Strength: Ultimate (UTS), MPa 710
900
Tensile Strength: Yield (Proof), MPa 520
620

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.8
4.3
Embodied Energy, MJ/kg 24
60
Embodied Water, L/kg 69
180

Common Calculations

PREN (Pitting Resistance) 6.8
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
140
Resilience: Unit (Modulus of Resilience), kJ/m3 700
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 20
25

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 91.4 to 95.6
57 to 65.6
Manganese (Mn), % 0 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
2.5 to 3.5
Nickel (Ni), % 0 to 0.5
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5