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EN 1.4913 Stainless Steel vs. AISI 439 Stainless Steel

Both EN 1.4913 stainless steel and AISI 439 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4913 stainless steel and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 22
23
Fatigue Strength, MPa 320 to 480
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 550 to 590
310
Tensile Strength: Ultimate (UTS), MPa 870 to 980
490
Tensile Strength: Yield (Proof), MPa 480 to 850
250

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 430
530
Maximum Temperature: Mechanical, °C 700
890
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
25
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.3
Embodied Energy, MJ/kg 41
34
Embodied Water, L/kg 97
120

Common Calculations

PREN (Pitting Resistance) 14
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
95
Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 1860
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 35
18
Strength to Weight: Bending, points 26 to 28
18
Thermal Diffusivity, mm2/s 6.5
6.7
Thermal Shock Resistance, points 31 to 34
16

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.15
Boron (B), % 0 to 0.0015
0
Carbon (C), % 0.17 to 0.23
0 to 0.030
Chromium (Cr), % 10 to 11.5
17 to 19
Iron (Fe), % 84.5 to 88.3
77.1 to 82.8
Manganese (Mn), % 0.4 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.5 to 0.8
0
Nickel (Ni), % 0.2 to 0.6
0 to 0.5
Niobium (Nb), % 0.25 to 0.55
0
Nitrogen (N), % 0.050 to 0.1
0 to 0.030
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.1
Vanadium (V), % 0.1 to 0.3
0