MakeItFrom.com
Menu (ESC)

EN 1.6958 Steel vs. EN 1.4539 Stainless Steel

Both EN 1.6958 steel and EN 1.4539 stainless steel are iron alloys. They have 54% 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 1.6958 steel and the bottom bar is EN 1.4539 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
38
Fatigue Strength, MPa 700
220
Impact Strength: V-Notched Charpy, J 63
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 700
430
Tensile Strength: Ultimate (UTS), MPa 1140
630
Tensile Strength: Yield (Proof), MPa 1070
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 47
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
31
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.0
5.7
Embodied Energy, MJ/kg 27
78
Embodied Water, L/kg 60
200

Common Calculations

PREN (Pitting Resistance) 2.9
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
190
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 39
14

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0 to 0.020
Chromium (Cr), % 1.2 to 1.7
19 to 21
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 92.6 to 94.5
43.1 to 51.8
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Molybdenum (Mo), % 0.35 to 0.55
4.0 to 5.0
Nickel (Ni), % 3.3 to 3.8
24 to 26
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0.15 to 0.3
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0 to 0.12
0