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SAE-AISI 1049 Steel vs. EN 1.7715 Steel

Both SAE-AISI 1049 steel and EN 1.7715 steel are iron alloys. They have a very high 98% 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 SAE-AISI 1049 steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
21
Fatigue Strength, MPa 250 to 400
240
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 420 to 450
340
Tensile Strength: Ultimate (UTS), MPa 680 to 750
540
Tensile Strength: Yield (Proof), MPa 370 to 640
340

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 18
30
Embodied Water, L/kg 46
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 99
99
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 1090
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 27
19
Strength to Weight: Bending, points 22 to 23
19
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 22 to 24
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.46 to 0.53
0.1 to 0.15
Chromium (Cr), % 0
0.3 to 0.6
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 98.5 to 98.9
96.5 to 98.3
Manganese (Mn), % 0.6 to 0.9
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.010
Vanadium (V), % 0
0.22 to 0.28