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EN 1.7767 Steel vs. EN 1.7233 Steel

Both EN 1.7767 steel and EN 1.7233 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is EN 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
210 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
18 to 23
Fatigue Strength, MPa 320 to 340
270 to 530
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 420 to 430
450 to 590
Tensile Strength: Ultimate (UTS), MPa 670 to 690
700 to 960
Tensile Strength: Yield (Proof), MPa 460 to 500
380 to 780

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 480
430
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 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
3.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.6
Embodied Energy, MJ/kg 33
21
Embodied Water, L/kg 64
53

Common Calculations

PREN (Pitting Resistance) 6.4
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
380 to 1630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
25 to 34
Strength to Weight: Bending, points 22
22 to 28
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 19 to 20
21 to 28

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.39 to 0.45
Chromium (Cr), % 2.8 to 3.3
1.2 to 1.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
96.2 to 97.5
Manganese (Mn), % 0.3 to 0.6
0.4 to 0.7
Molybdenum (Mo), % 0.9 to 1.1
0.5 to 0.7
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 0.025
Silicon (Si), % 0 to 0.15
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0

Comparable Variants