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ASTM A182 Grade F5a vs. EN 1.4490 Stainless Steel

Both ASTM A182 grade F5a and EN 1.4490 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F5a and the bottom bar is EN 1.4490 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
34
Fatigue Strength, MPa 380
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 710
560
Tensile Strength: Yield (Proof), MPa 520
260

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
990
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.7
Embodied Energy, MJ/kg 24
52
Embodied Water, L/kg 69
150

Common Calculations

PREN (Pitting Resistance) 6.8
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
160
Resilience: Unit (Modulus of Resilience), kJ/m3 700
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
18 to 20
Iron (Fe), % 91.4 to 95.6
61.7 to 70.9
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
2.0 to 2.5
Nickel (Ni), % 0 to 0.5
9.0 to 12
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030