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EN 1.4980 Stainless Steel vs. EN 1.6958 Steel

Both EN 1.4980 stainless steel and EN 1.6958 steel are iron alloys. They have 60% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4980 stainless steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
16
Fatigue Strength, MPa 410
700
Impact Strength: V-Notched Charpy, J 57
63
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 630
700
Tensile Strength: Ultimate (UTS), MPa 1030
1140
Tensile Strength: Yield (Proof), MPa 680
1070

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 920
450
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
47
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 26
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
2.0
Embodied Energy, MJ/kg 87
27
Embodied Water, L/kg 170
60

Common Calculations

PREN (Pitting Resistance) 19
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
3050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
40
Strength to Weight: Bending, points 28
31
Thermal Diffusivity, mm2/s 3.5
13
Thermal Shock Resistance, points 22
39

Alloy Composition

Aluminum (Al), % 0 to 0.35
0.0050 to 0.050
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0.25 to 0.3
Chromium (Cr), % 13.5 to 16
1.2 to 1.7
Iron (Fe), % 49.2 to 58.5
92.6 to 94.5
Manganese (Mn), % 1.0 to 2.0
0.2 to 0.5
Molybdenum (Mo), % 1.0 to 1.5
0.35 to 0.55
Nickel (Ni), % 24 to 27
3.3 to 3.8
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 1.0
0.15 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0 to 0.12