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EN 1.4567 Stainless Steel vs. EN 1.7729 Steel

Both EN 1.4567 stainless steel and EN 1.7729 steel are iron alloys. They have 69% of their average alloy composition in common. There are 33 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 1.4567 stainless steel and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22 to 51
17
Fatigue Strength, MPa 190 to 260
500
Impact Strength: V-Notched Charpy, J 91 to 110
46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 390 to 490
560
Tensile Strength: Ultimate (UTS), MPa 550 to 780
910
Tensile Strength: Yield (Proof), MPa 200 to 390
750

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
430
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 11
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.3
Embodied Energy, MJ/kg 43
49
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 19
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
150
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 400
1500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 27
32
Strength to Weight: Bending, points 19 to 24
27
Thermal Diffusivity, mm2/s 3.0
11
Thermal Shock Resistance, points 12 to 17
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.040
0.17 to 0.23
Chromium (Cr), % 17 to 19
0.9 to 1.2
Copper (Cu), % 3.0 to 4.0
0 to 0.2
Iron (Fe), % 63.3 to 71.5
94.8 to 97
Manganese (Mn), % 0 to 2.0
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 8.5 to 10.5
0 to 0.2
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8