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EN 1.4662 Stainless Steel vs. EN 1.4951 Stainless Steel

Both EN 1.4662 stainless steel and EN 1.4951 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4662 stainless steel and the bottom bar is EN 1.4951 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
38
Fatigue Strength, MPa 430 to 450
190
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
79
Shear Strength, MPa 520 to 540
430
Tensile Strength: Ultimate (UTS), MPa 810 to 830
630
Tensile Strength: Yield (Proof), MPa 580 to 620
220

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1360
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
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.2
4.3
Embodied Energy, MJ/kg 45
61
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 33
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
190
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 30
22
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 22
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.080
Chromium (Cr), % 23 to 25
24 to 26
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 62.6 to 70.2
49.1 to 57
Manganese (Mn), % 2.5 to 4.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 3.0 to 4.5
19 to 22
Nitrogen (N), % 0.2 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.7
Sulfur (S), % 0 to 0.0050
0 to 0.015