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EN 1.4618 Stainless Steel vs. ASTM A182 Grade F5a

Both EN 1.4618 stainless steel and ASTM A182 grade F5a are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4618 stainless steel and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
25
Fatigue Strength, MPa 240 to 250
380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 480 to 500
450
Tensile Strength: Ultimate (UTS), MPa 680 to 700
710
Tensile Strength: Yield (Proof), MPa 250 to 260
520

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 900
510
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.8
Embodied Energy, MJ/kg 39
24
Embodied Water, L/kg 150
69

Common Calculations

PREN (Pitting Resistance) 19
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
160
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
700
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 25
25
Strength to Weight: Bending, points 22 to 23
23
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 15 to 16
20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.25
Chromium (Cr), % 16.5 to 18.5
4.0 to 6.0
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 62.7 to 72.5
91.4 to 95.6
Manganese (Mn), % 5.5 to 9.5
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 4.5 to 5.5
0 to 0.5
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030