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EN 1.4945 Stainless Steel vs. EN 1.4980 Stainless Steel

Both EN 1.4945 stainless steel and EN 1.4980 stainless steel are iron alloys. They have 86% 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 1.4945 stainless steel and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19 to 34
17
Fatigue Strength, MPa 230 to 350
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 430 to 460
630
Tensile Strength: Ultimate (UTS), MPa 640 to 740
1030
Tensile Strength: Yield (Proof), MPa 290 to 550
680

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
780
Maximum Temperature: Mechanical, °C 920
920
Melting Completion (Liquidus), °C 1490
1430
Melting Onset (Solidus), °C 1440
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
13
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.0
6.0
Embodied Energy, MJ/kg 73
87
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
36
Strength to Weight: Bending, points 20 to 22
28
Thermal Diffusivity, mm2/s 3.7
3.5
Thermal Shock Resistance, points 14 to 16
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.040 to 0.1
0.030 to 0.080
Chromium (Cr), % 15.5 to 17.5
13.5 to 16
Iron (Fe), % 57.9 to 65.7
49.2 to 58.5
Manganese (Mn), % 0 to 1.5
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 15.5 to 17.5
24 to 27
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0
0.1 to 0.5