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EN 1.6750 Steel vs. EN 1.4319 Stainless Steel

Both EN 1.6750 steel and EN 1.4319 stainless steel are iron alloys. They have 77% 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 1.4319 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
51
Fatigue Strength, MPa 310
240
Impact Strength: V-Notched Charpy, J 46
91
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 650
640
Tensile Strength: Yield (Proof), MPa 460
250

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
890
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
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
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.7
Embodied Energy, MJ/kg 22
39
Embodied Water, L/kg 52
130

Common Calculations

PREN (Pitting Resistance) 2.4
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
260
Resilience: Unit (Modulus of Resilience), kJ/m3 570
160
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
14

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.070
Chromium (Cr), % 0.3 to 0.5
16 to 18
Iron (Fe), % 95.3 to 97.5
70.8 to 78
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
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.1
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 0.030