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SAE-AISI 1030 Steel vs. EN 1.7729 Steel

Both SAE-AISI 1030 steel and EN 1.7729 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 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 1030 steel and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 160
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 22
17
Fatigue Strength, MPa 210 to 320
500
Poisson's Ratio 0.29
0.29
Reduction in Area, % 39 to 48
56
Shear Modulus, GPa 73
73
Shear Strength, MPa 330 to 360
560
Tensile Strength: Ultimate (UTS), MPa 530 to 590
910
Tensile Strength: Yield (Proof), MPa 300 to 490
750

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
430
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
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.3
Embodied Energy, MJ/kg 18
49
Embodied Water, L/kg 46
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 100
150
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 650
1500
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 21
32
Strength to Weight: Bending, points 18 to 20
27
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 17 to 19
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.28 to 0.34
0.17 to 0.23
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 98.7 to 99.12
94.8 to 97
Manganese (Mn), % 0.6 to 0.9
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8