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ASTM A182 Grade F122 vs. EN 1.4640 Stainless Steel

Both ASTM A182 grade F122 and EN 1.4640 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
51
Fatigue Strength, MPa 320
230 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 450
440 to 460
Tensile Strength: Ultimate (UTS), MPa 710
620 to 650
Tensile Strength: Yield (Proof), MPa 450
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
930
Melting Completion (Liquidus), °C 1490
1420
Melting Onset (Solidus), °C 1440
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 44
40
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
250 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 520
150 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
22 to 23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 6.4
4.0
Thermal Shock Resistance, points 19
14 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0.070 to 0.14
0.030 to 0.080
Chromium (Cr), % 10 to 11.5
18 to 19
Copper (Cu), % 0.3 to 1.7
1.3 to 2.0
Iron (Fe), % 81.3 to 87.7
67.4 to 73.6
Manganese (Mn), % 0 to 0.7
1.5 to 4.0
Molybdenum (Mo), % 0.25 to 0.6
0
Nickel (Ni), % 0 to 0.5
5.5 to 6.9
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0.030 to 0.11
Phosphorus (P), % 0 to 0.020
0 to 0.045
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
Zirconium (Zr), % 0 to 0.010
0