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ACI-ASTM CA15M Steel vs. EN 1.7703 Steel

Both ACI-ASTM CA15M steel and EN 1.7703 steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15M steel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
20
Fatigue Strength, MPa 330
320 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 690
670 to 690
Tensile Strength: Yield (Proof), MPa 510
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
4.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
2.5
Embodied Energy, MJ/kg 29
35
Embodied Water, L/kg 100
61

Common Calculations

PREN (Pitting Resistance) 15
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 670
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 7.2
11
Thermal Shock Resistance, points 25
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.15
0.11 to 0.15
Chromium (Cr), % 11.5 to 14
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 82.1 to 88.4
94.6 to 96.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.15 to 1.0
0.9 to 1.1
Nickel (Ni), % 0 to 1.0
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 to 0.65
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35