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EN 1.3549 Stainless Steel vs. EN 1.6750 Steel

Both EN 1.3549 stainless steel and EN 1.6750 steel are iron alloys. They have 82% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3549 stainless steel and the bottom bar is EN 1.6750 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 730
650

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 910
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.3
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 37
22
Embodied Water, L/kg 130
52

Common Calculations

PREN (Pitting Resistance) 22
2.4
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 5.6
10
Thermal Shock Resistance, points 26
19

Alloy Composition

Carbon (C), % 0.85 to 1.0
0.17 to 0.23
Chromium (Cr), % 17 to 19
0.3 to 0.5
Iron (Fe), % 77.5 to 82
95.3 to 97.5
Manganese (Mn), % 0 to 1.0
0.8 to 1.2
Molybdenum (Mo), % 0.9 to 1.3
0.4 to 0.8
Nickel (Ni), % 0
0.8 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.070 to 0.12
0