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ASTM A182 Grade F122 vs. EN 1.4347 Stainless Steel

Both ASTM A182 grade F122 and EN 1.4347 stainless steel are iron alloys. They have 78% 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 F122 and the bottom bar is EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
23
Fatigue Strength, MPa 320
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 710
660
Tensile Strength: Yield (Proof), MPa 450
480

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1490
1410
Melting Onset (Solidus), °C 1440
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 17
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140
Resilience: Unit (Modulus of Resilience), kJ/m3 520
570
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 6.4
4.0
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0 to 0.050
Chromium (Cr), % 10 to 11.5
25 to 27
Copper (Cu), % 0.3 to 1.7
0
Iron (Fe), % 81.3 to 87.7
62.2 to 69.4
Manganese (Mn), % 0 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.25 to 0.6
0
Nickel (Ni), % 0 to 0.5
5.5 to 7.5
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0
Zirconium (Zr), % 0 to 0.010
0