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EN 1.4962 Stainless Steel vs. EN 1.4640 Stainless Steel

Both EN 1.4962 stainless steel and EN 1.4640 stainless steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4962 stainless steel and the bottom bar is EN 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 34
51
Fatigue Strength, MPa 210 to 330
230 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 420 to 440
440 to 460
Tensile Strength: Ultimate (UTS), MPa 630 to 690
620 to 650
Tensile Strength: Yield (Proof), MPa 260 to 490
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 510
420
Maximum Temperature: Mechanical, °C 910
930
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1440
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
14
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 59
40
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 21
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
250 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
150 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 24
22 to 23
Strength to Weight: Bending, points 20 to 21
21
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 14 to 16
14 to 15

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0.030 to 0.080
Chromium (Cr), % 15.5 to 17.5
18 to 19
Copper (Cu), % 0
1.3 to 2.0
Iron (Fe), % 62.1 to 69
67.4 to 73.6
Manganese (Mn), % 0 to 1.5
1.5 to 4.0
Nickel (Ni), % 12.5 to 14.5
5.5 to 6.9
Nitrogen (N), % 0
0.030 to 0.11
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.4 to 0.7
0
Tungsten (W), % 2.5 to 3.0
0