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S31260 Stainless Steel vs. ASTM A387 Grade 22 Steel

Both S31260 stainless steel and ASTM A387 grade 22 steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S31260 stainless steel and the bottom bar is ASTM A387 grade 22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
21
Fatigue Strength, MPa 370
160 to 240
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Shear Strength, MPa 500
300 to 380
Tensile Strength: Ultimate (UTS), MPa 790
480 to 600
Tensile Strength: Yield (Proof), MPa 540
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.7
Embodied Energy, MJ/kg 53
23
Embodied Water, L/kg 180
58

Common Calculations

PREN (Pitting Resistance) 39
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
85 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 720
140 to 320
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
17 to 21
Strength to Weight: Bending, points 24
17 to 20
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 22
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 24 to 26
2.0 to 2.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 59.6 to 67.6
95.1 to 96.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 2.5 to 3.5
0.9 to 1.1
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0.1 to 0.5
0