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EN 1.6750 Steel vs. EN 1.4311 Stainless Steel

Both EN 1.6750 steel and EN 1.4311 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 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 1.6750 steel and the bottom bar is EN 1.4311 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
43
Fatigue Strength, MPa 310
270
Impact Strength: V-Notched Charpy, J 46
93
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 650
650
Tensile Strength: Yield (Proof), MPa 460
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
950
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
3.1
Embodied Energy, MJ/kg 22
43
Embodied Water, L/kg 52
140

Common Calculations

PREN (Pitting Resistance) 2.4
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 570
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
23
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 10
4.0
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.030
Chromium (Cr), % 0.3 to 0.5
17.5 to 19.5
Iron (Fe), % 95.3 to 97.5
65.7 to 73.9
Manganese (Mn), % 0.8 to 1.2
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.8
0
Nickel (Ni), % 0.8 to 1.2
8.5 to 11.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015