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EN 1.4150 Stainless Steel vs. EN 1.4306 Stainless Steel

Both EN 1.4150 stainless steel and EN 1.4306 stainless steel are iron alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4150 stainless steel and the bottom bar is EN 1.4306 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
14 to 45
Fatigue Strength, MPa 270
190 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 460
400 to 550
Tensile Strength: Ultimate (UTS), MPa 730
580 to 900
Tensile Strength: Yield (Proof), MPa 430
210 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 840
960
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
16
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 470
110 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21 to 32
Strength to Weight: Bending, points 24
20 to 27
Thermal Diffusivity, mm2/s 6.2
4.0
Thermal Shock Resistance, points 27
13 to 20

Alloy Composition

Carbon (C), % 0.45 to 0.6
0 to 0.030
Chromium (Cr), % 15 to 16.5
18 to 20
Iron (Fe), % 79 to 82.8
64.8 to 72
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0 to 0.4
10 to 12
Nitrogen (N), % 0.050 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 1.3 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Vanadium (V), % 0.2 to 0.4
0