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SAE-AISI 1132 Steel vs. ASTM A387 Grade 22 Steel

Both SAE-AISI 1132 steel and ASTM A387 grade 22 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 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 SAE-AISI 1132 steel and the bottom bar is ASTM A387 grade 22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 18
21
Fatigue Strength, MPa 240 to 380
160 to 240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 400 to 440
300 to 380
Tensile Strength: Ultimate (UTS), MPa 640 to 720
480 to 600
Tensile Strength: Yield (Proof), MPa 350 to 590
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 19
23
Embodied Water, L/kg 48
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 97
85 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 940
140 to 320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 25
17 to 21
Strength to Weight: Bending, points 21 to 23
17 to 20
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 19 to 22
14 to 17

Alloy Composition

Carbon (C), % 0.24 to 0.34
0.050 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Iron (Fe), % 97.8 to 98.3
95.1 to 96.8
Manganese (Mn), % 1.4 to 1.7
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0.080 to 0.13
0 to 0.025