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EN 1.4474 Stainless Steel vs. ASTM A182 Grade F6b

Both EN 1.4474 stainless steel and ASTM A182 grade F6b are iron alloys. They have 81% 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 EN 1.4474 stainless steel and the bottom bar is ASTM A182 grade F6b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
18
Fatigue Strength, MPa 320
440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 670
850
Tensile Strength: Yield (Proof), MPa 480
710

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
25
Thermal Expansion, µm/m-K 13
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 17
8.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.2
Embodied Energy, MJ/kg 48
30
Embodied Water, L/kg 170
100

Common Calculations

PREN (Pitting Resistance) 34
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 560
1280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
30
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 4.6
6.7
Thermal Shock Resistance, points 18
31

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 25 to 27
11.5 to 13.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 61.2 to 69.1
81.2 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.3 to 2.0
0.4 to 0.6
Nickel (Ni), % 4.5 to 6.5
1.0 to 2.0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020