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ASTM A182 Grade F122 vs. EN 1.4903 Stainless Steel

Both ASTM A182 grade F122 and EN 1.4903 stainless steel are iron alloys. They have a very high 95% 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 F122 and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
20 to 21
Fatigue Strength, MPa 320
320 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 450
420
Tensile Strength: Ultimate (UTS), MPa 710
670 to 680
Tensile Strength: Yield (Proof), MPa 450
500

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 600
650
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 44
36
Embodied Water, L/kg 100
88

Common Calculations

PREN (Pitting Resistance) 17
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 520
650
Stiffness to Weight: Axial, points 14
14
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
7.0
Thermal Shock Resistance, points 19
23

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.040
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0.080 to 0.12
Chromium (Cr), % 10 to 11.5
8.0 to 9.5
Copper (Cu), % 0.3 to 1.7
0 to 0.3
Iron (Fe), % 81.3 to 87.7
87.1 to 90.5
Manganese (Mn), % 0 to 0.7
0.3 to 0.6
Molybdenum (Mo), % 0.25 to 0.6
0.85 to 1.1
Nickel (Ni), % 0 to 0.5
0 to 0.4
Niobium (Nb), % 0.040 to 0.1
0.060 to 0.1
Nitrogen (N), % 0.040 to 0.1
0.030 to 0.070
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0.18 to 0.25
Zirconium (Zr), % 0 to 0.010
0