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EN 1.4313 Stainless Steel vs. EN 1.4922 Stainless Steel

Both EN 1.4313 stainless steel and EN 1.4922 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4313 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, % 12 to 17
16
Fatigue Strength, MPa 340 to 510
330
Impact Strength: V-Notched Charpy, J 55 to 70
38
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 460 to 600
470
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
770
Tensile Strength: Yield (Proof), MPa 580 to 910
550

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 780
720
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
24
Thermal Expansion, µm/m-K 10
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 10
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.8
Embodied Energy, MJ/kg 34
40
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 15
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 36
27
Strength to Weight: Bending, points 23 to 28
24
Thermal Diffusivity, mm2/s 6.7
6.5
Thermal Shock Resistance, points 27 to 36
27

Alloy Composition

Carbon (C), % 0 to 0.050
0.17 to 0.23
Chromium (Cr), % 12 to 14
10 to 12.5
Iron (Fe), % 78.5 to 84.2
83.5 to 88.2
Manganese (Mn), % 0 to 1.5
0.3 to 1.0
Molybdenum (Mo), % 0.3 to 0.7
0.8 to 1.2
Nickel (Ni), % 3.5 to 4.5
0.3 to 0.8
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0.2 to 0.35