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ASTM A182 Grade F122 vs. S20910 Stainless Steel

Both ASTM A182 grade F122 and S20910 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 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 ASTM A182 grade F122 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
14 to 39
Fatigue Strength, MPa 320
310 to 460
Poisson's Ratio 0.28
0.28
Reduction in Area, % 45
56 to 62
Shear Modulus, GPa 76
79
Shear Strength, MPa 450
500 to 570
Tensile Strength: Ultimate (UTS), MPa 710
780 to 940
Tensile Strength: Yield (Proof), MPa 450
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1080
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
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
22
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.8
Embodied Energy, MJ/kg 44
68
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 17
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 520
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
28 to 33
Strength to Weight: Bending, points 22
24 to 27
Thermal Diffusivity, mm2/s 6.4
3.6
Thermal Shock Resistance, points 19
17 to 21

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 0.060
Chromium (Cr), % 10 to 11.5
20.5 to 23.5
Copper (Cu), % 0.3 to 1.7
0
Iron (Fe), % 81.3 to 87.7
52.1 to 62.1
Manganese (Mn), % 0 to 0.7
4.0 to 6.0
Molybdenum (Mo), % 0.25 to 0.6
1.5 to 3.0
Nickel (Ni), % 0 to 0.5
11.5 to 13.5
Niobium (Nb), % 0.040 to 0.1
0.1 to 0.3
Nitrogen (N), % 0.040 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0.1 to 0.3
Zirconium (Zr), % 0 to 0.010
0