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EN 1.7703 Steel vs. EN 1.7216 Steel

Both EN 1.7703 steel and EN 1.7216 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 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 EN 1.7703 steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
12 to 23
Fatigue Strength, MPa 320 to 340
290 to 440
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 420 to 430
410 to 560
Tensile Strength: Ultimate (UTS), MPa 670 to 690
650 to 930
Tensile Strength: Yield (Proof), MPa 460 to 500
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 460
420
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 35
20
Embodied Water, L/kg 61
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
430 to 1280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
23 to 33
Strength to Weight: Bending, points 22
21 to 27
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 19 to 20
19 to 27

Alloy Composition

Carbon (C), % 0.11 to 0.15
0.27 to 0.34
Chromium (Cr), % 2.0 to 2.5
0.8 to 1.2
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 94.6 to 96.4
97.2 to 98.4
Manganese (Mn), % 0.3 to 0.6
0.35 to 0.6
Molybdenum (Mo), % 0.9 to 1.1
0.15 to 0.3
Nickel (Ni), % 0 to 0.25
0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 0.35
Sulfur (S), % 0 to 0.0050
0 to 0.035
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.25 to 0.35
0

Comparable Variants