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EN 1.7725 Steel vs. SAE-AISI 1330 Steel

Both EN 1.7725 steel and SAE-AISI 1330 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 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 EN 1.7725 steel and the bottom bar is SAE-AISI 1330 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250 to 300
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
11 to 23
Fatigue Strength, MPa 390 to 550
210 to 380
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 830 to 1000
520 to 710
Tensile Strength: Yield (Proof), MPa 610 to 860
290 to 610

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 24
19
Embodied Water, L/kg 54
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
76 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 980 to 1940
230 to 990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29 to 35
19 to 25
Strength to Weight: Bending, points 25 to 28
18 to 23
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 24 to 29
17 to 23

Alloy Composition

Carbon (C), % 0.27 to 0.34
0.28 to 0.33
Chromium (Cr), % 1.3 to 1.7
0
Iron (Fe), % 95.7 to 97.5
97.3 to 98
Manganese (Mn), % 0.6 to 1.0
1.6 to 1.9
Molybdenum (Mo), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.6
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.050 to 0.15
0

Comparable Variants