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EN 1.4008 Stainless Steel vs. EN 1.4962 Stainless Steel

Both EN 1.4008 stainless steel and EN 1.4962 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4008 stainless steel and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
22 to 34
Fatigue Strength, MPa 300
210 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 670
630 to 690
Tensile Strength: Yield (Proof), MPa 500
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
510
Maximum Temperature: Mechanical, °C 760
910
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1400
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.1
4.1
Embodied Energy, MJ/kg 30
59
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 14
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 630
170 to 610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
21 to 24
Strength to Weight: Bending, points 22
20 to 21
Thermal Diffusivity, mm2/s 6.7
3.7
Thermal Shock Resistance, points 23
14 to 16

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0 to 0.1
0.070 to 0.15
Chromium (Cr), % 12 to 13.5
15.5 to 17.5
Iron (Fe), % 81.8 to 86.8
62.1 to 69
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.5
0
Nickel (Ni), % 1.0 to 2.0
12.5 to 14.5
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0