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ASTM A182 Grade F5a vs. EN 1.4458 Stainless Steel

Both ASTM A182 grade F5a and EN 1.4458 stainless steel are iron alloys. They have 53% 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 ASTM A182 grade F5a and the bottom bar is EN 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
34
Fatigue Strength, MPa 380
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 710
510
Tensile Strength: Yield (Proof), MPa 520
190

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.8
5.4
Embodied Energy, MJ/kg 24
75
Embodied Water, L/kg 69
200

Common Calculations

PREN (Pitting Resistance) 6.8
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
140
Resilience: Unit (Modulus of Resilience), kJ/m3 700
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
19 to 22
Copper (Cu), % 0
0 to 2.0
Iron (Fe), % 91.4 to 95.6
40.2 to 53
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
26 to 30
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025