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SAE-AISI 1095 Steel vs. SAE-AISI 1038 Steel

Both SAE-AISI 1095 steel and SAE-AISI 1038 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1095 steel and the bottom bar is SAE-AISI 1038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 11
14 to 20
Fatigue Strength, MPa 310 to 370
220 to 350
Poisson's Ratio 0.29
0.29
Reduction in Area, % 28 to 45
40 to 45
Shear Modulus, GPa 72
73
Shear Strength, MPa 400 to 540
370 to 390
Tensile Strength: Ultimate (UTS), MPa 680 to 900
590 to 640
Tensile Strength: Yield (Proof), MPa 500 to 590
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 45
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 84
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 660 to 930
270 to 790
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 32
21 to 23
Strength to Weight: Bending, points 22 to 26
20 to 21
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 22 to 29
19 to 20

Alloy Composition

Carbon (C), % 0.9 to 1.0
0.35 to 0.42
Iron (Fe), % 98.4 to 98.8
98.6 to 99.05
Manganese (Mn), % 0.3 to 0.5
0.6 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.040
Sulfur (S), % 0 to 0.050
0 to 0.050

Comparable Variants