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EN 1.3956 Stainless Steel vs. EN 1.4980 Stainless Steel

Both EN 1.3956 stainless steel and EN 1.4980 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 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, % 27
17
Fatigue Strength, MPa 240
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 650
1030
Tensile Strength: Yield (Proof), MPa 330
680

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
780
Maximum Temperature: Mechanical, °C 1080
920
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
6.0
Embodied Energy, MJ/kg 68
87
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 34
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
150
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
36
Strength to Weight: Bending, points 21
28
Thermal Shock Resistance, points 18
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.060
0.030 to 0.080
Chromium (Cr), % 20.5 to 23.5
13.5 to 16
Iron (Fe), % 51.9 to 62.1
49.2 to 58.5
Manganese (Mn), % 4.0 to 6.0
1.0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
1.0 to 1.5
Nickel (Ni), % 11.5 to 13.5
24 to 27
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0.1 to 0.3
0.1 to 0.5