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ASTM A182 Grade F24 vs. EN 1.4971 Stainless Steel

Both ASTM A182 grade F24 and EN 1.4971 stainless steel are iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 ASTM A182 grade F24 and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 23
34
Fatigue Strength, MPa 330
270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
81
Shear Strength, MPa 420
530
Tensile Strength: Ultimate (UTS), MPa 670
800
Tensile Strength: Yield (Proof), MPa 460
340

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 39
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.3
7.6
Embodied Energy, MJ/kg 33
110
Embodied Water, L/kg 61
300

Common Calculations

PREN (Pitting Resistance) 6.7
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 570
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 11
3.4
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0015 to 0.0070
0
Carbon (C), % 0.050 to 0.1
0.080 to 0.16
Chromium (Cr), % 2.2 to 2.6
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 94.5 to 96.1
24.3 to 37.1
Manganese (Mn), % 0.3 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
2.5 to 3.5
Nickel (Ni), % 0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0 to 0.12
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0.15 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.060 to 0.1
0
Tungsten (W), % 0
2.0 to 3.0
Vanadium (V), % 0.2 to 0.3
0