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EN 1.4301 Stainless Steel vs. EN 1.4650 Stainless Steel

Both EN 1.4301 stainless steel and EN 1.4650 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4301 stainless steel and the bottom bar is EN 1.4650 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 46
48
Fatigue Strength, MPa 200 to 330
230
Impact Strength: V-Notched Charpy, J 91 to 94
91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430 to 550
440
Tensile Strength: Ultimate (UTS), MPa 610 to 900
620
Tensile Strength: Yield (Proof), MPa 220 to 570
240

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 940
970
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
240
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
22
Strength to Weight: Bending, points 20 to 27
21
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 14 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 17.5 to 19.5
18.5 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 66.8 to 74.5
65.8 to 72.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 8.0 to 10.5
9.0 to 10
Nitrogen (N), % 0 to 0.1
0 to 0.080
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015