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SAE-AISI 1030 Steel vs. EN 1.7703 Steel

Both SAE-AISI 1030 steel and EN 1.7703 steel are iron alloys. They have a very high 96% 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 1030 steel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 160
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 22
20
Fatigue Strength, MPa 210 to 320
320 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 330 to 360
420 to 430
Tensile Strength: Ultimate (UTS), MPa 530 to 590
670 to 690
Tensile Strength: Yield (Proof), MPa 300 to 490
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 250
250
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
39
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
4.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 18
35
Embodied Water, L/kg 46
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 100
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 650
570 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 21
24
Strength to Weight: Bending, points 18 to 20
22
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 17 to 19
19 to 20

Alloy Composition

Carbon (C), % 0.28 to 0.34
0.11 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 98.7 to 99.12
94.6 to 96.4
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0 to 0.050
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35