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EN 1.4634 Stainless Steel vs. EN 1.4980 Stainless Steel

Both EN 1.4634 stainless steel and EN 1.4980 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4634 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, % 21
17
Fatigue Strength, MPa 180
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 340
630
Tensile Strength: Ultimate (UTS), MPa 540
1030
Tensile Strength: Yield (Proof), MPa 280
680

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 500
780
Maximum Temperature: Mechanical, °C 900
920
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
6.0
Embodied Energy, MJ/kg 42
87
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
150
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
36
Strength to Weight: Bending, points 19
28
Thermal Diffusivity, mm2/s 5.8
3.5
Thermal Shock Resistance, points 19
22

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.030
0.030 to 0.080
Chromium (Cr), % 17.5 to 18.5
13.5 to 16
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 74.9 to 81.8
49.2 to 58.5
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 0 to 0.5
1.0 to 1.5
Nickel (Ni), % 0 to 0.5
24 to 27
Niobium (Nb), % 0.3 to 1.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.025
Silicon (Si), % 0.2 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5