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AISI 204 Stainless Steel vs. EN 1.7039 Steel

Both AISI 204 stainless steel and EN 1.7039 steel are iron alloys. They have 75% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 204 stainless steel and the bottom bar is EN 1.7039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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 to 1100
530 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 850
420
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 35
19
Embodied Water, L/kg 130
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 40
19 to 65
Strength to Weight: Bending, points 24 to 31
19 to 43
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 16 to 24
16 to 54

Alloy Composition

Carbon (C), % 0 to 0.030
0.38 to 0.45
Chromium (Cr), % 15 to 17
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 69.6 to 76.4
96.8 to 98.1
Manganese (Mn), % 7.0 to 9.0
0.6 to 0.9
Nickel (Ni), % 1.5 to 3.0
0
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0.020 to 0.040