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EN 1.4162 Stainless Steel vs. EN 1.4303 Stainless Steel

Both EN 1.4162 stainless steel and EN 1.4303 stainless steel are iron alloys. They have 90% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4162 stainless steel and the bottom bar is EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 32
13 to 49
Fatigue Strength, MPa 410
220 to 320
Impact Strength: V-Notched Charpy, J 77
91 to 98
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 520
420 to 540
Tensile Strength: Ultimate (UTS), MPa 780
590 to 900
Tensile Strength: Yield (Proof), MPa 520
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1000
940
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 38
46
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 27
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 690
140 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
21 to 32
Strength to Weight: Bending, points 25
20 to 26
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 21
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.060
Chromium (Cr), % 21 to 22
17 to 19
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 67.2 to 73.3
64.8 to 72
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.8
0
Nickel (Ni), % 1.4 to 1.9
11 to 13
Nitrogen (N), % 0.2 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015