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EN 1.3956 Stainless Steel vs. EN 1.4922 Stainless Steel

Both EN 1.3956 stainless steel and EN 1.4922 stainless steel are iron alloys. They have 71% 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 1.4922 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 27
16
Fatigue Strength, MPa 240
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 650
770
Tensile Strength: Yield (Proof), MPa 330
550

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
380
Maximum Temperature: Mechanical, °C 1080
720
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 68
40
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 34
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 18
27

Alloy Composition

Carbon (C), % 0 to 0.060
0.17 to 0.23
Chromium (Cr), % 20.5 to 23.5
10 to 12.5
Iron (Fe), % 51.9 to 62.1
83.5 to 88.2
Manganese (Mn), % 4.0 to 6.0
0.3 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
0.8 to 1.2
Nickel (Ni), % 11.5 to 13.5
0.3 to 0.8
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 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.1 to 0.3
0.2 to 0.35