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EN 1.4962 Stainless Steel vs. EN 1.4581 Stainless Steel

Both EN 1.4962 stainless steel and EN 1.4581 stainless steel are iron alloys. They have a moderately high 94% 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 1.4962 stainless steel and the bottom bar is EN 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 34
28
Fatigue Strength, MPa 210 to 330
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 630 to 690
510
Tensile Strength: Yield (Proof), MPa 260 to 490
210

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 510
490
Maximum Temperature: Mechanical, °C 910
990
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1440
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
21
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 4.1
4.2
Embodied Energy, MJ/kg 59
59
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 24
18
Strength to Weight: Bending, points 20 to 21
18
Thermal Diffusivity, mm2/s 3.7
3.9
Thermal Shock Resistance, points 14 to 16
12

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0 to 0.070
Chromium (Cr), % 15.5 to 17.5
18 to 20
Iron (Fe), % 62.1 to 69
61.4 to 71
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 12.5 to 14.5
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.4 to 0.7
0
Tungsten (W), % 2.5 to 3.0
0