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EN 1.4409 Stainless Steel vs. ASTM A182 Grade F6b

Both EN 1.4409 stainless steel and ASTM A182 grade F6b are iron alloys. They have 82% 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 1.4409 stainless steel and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
18
Fatigue Strength, MPa 180
440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 490
850
Tensile Strength: Yield (Proof), MPa 220
710

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 990
750
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.7
2.2
Embodied Energy, MJ/kg 52
30
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 28
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 120
1280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
30
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 4.1
6.7
Thermal Shock Resistance, points 11
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 18 to 20
11.5 to 13.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 61.7 to 71
81.2 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0.4 to 0.6
Nickel (Ni), % 9.0 to 12
1.0 to 2.0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020