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EN 1.4062 Stainless Steel vs. EN 1.4646 Stainless Steel

Both EN 1.4062 stainless steel and EN 1.4646 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4062 stainless steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 34
34
Fatigue Strength, MPa 410 to 420
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 510
500
Tensile Strength: Ultimate (UTS), MPa 770 to 800
750
Tensile Strength: Yield (Proof), MPa 530 to 600
430

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1030
910
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 37
41
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 27
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170 to 230
220
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 910
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 29
27
Strength to Weight: Bending, points 24 to 25
24
Thermal Shock Resistance, points 21 to 22
16

Alloy Composition

Carbon (C), % 0 to 0.030
0.020 to 0.1
Chromium (Cr), % 21.5 to 24
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 69.3 to 77.3
59 to 67.3
Manganese (Mn), % 0 to 2.0
10.5 to 12.5
Molybdenum (Mo), % 0 to 0.45
0 to 0.5
Nickel (Ni), % 1.0 to 2.9
3.5 to 4.5
Nitrogen (N), % 0.16 to 0.28
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015