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EN 1.4980 Stainless Steel vs. EN 1.4938 Stainless Steel

Both EN 1.4980 stainless steel and EN 1.4938 stainless steel are iron alloys. They have 71% 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 1.4980 stainless steel and the bottom bar is EN 1.4938 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
16 to 17
Fatigue Strength, MPa 410
390 to 520
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 630
540 to 630
Tensile Strength: Ultimate (UTS), MPa 1030
870 to 1030
Tensile Strength: Yield (Proof), MPa 680
640 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 780
390
Maximum Temperature: Mechanical, °C 920
750
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
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
3.3
Embodied Energy, MJ/kg 87
47
Embodied Water, L/kg 170
110

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
1050 to 1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
31 to 37
Strength to Weight: Bending, points 28
26 to 29
Thermal Diffusivity, mm2/s 3.5
8.1
Thermal Shock Resistance, points 22
30 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0.080 to 0.15
Chromium (Cr), % 13.5 to 16
11 to 12.5
Iron (Fe), % 49.2 to 58.5
80.5 to 84.8
Manganese (Mn), % 1.0 to 2.0
0.4 to 0.9
Molybdenum (Mo), % 1.0 to 1.5
1.5 to 2.0
Nickel (Ni), % 24 to 27
2.0 to 3.0
Nitrogen (N), % 0
0.020 to 0.040
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
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
0.25 to 0.4