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EN 1.4945 Stainless Steel vs. EN 1.4962 Stainless Steel

Both EN 1.4945 stainless steel and EN 1.4962 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4945 stainless steel and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 19 to 34
22 to 34
Fatigue Strength, MPa 230 to 350
210 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430 to 460
420 to 440
Tensile Strength: Ultimate (UTS), MPa 640 to 740
630 to 690
Tensile Strength: Yield (Proof), MPa 290 to 550
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 520
510
Maximum Temperature: Mechanical, °C 920
910
Melting Completion (Liquidus), °C 1490
1480
Melting Onset (Solidus), °C 1440
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 5.0
4.1
Embodied Energy, MJ/kg 73
59
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
170 to 610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
21 to 24
Strength to Weight: Bending, points 20 to 22
20 to 21
Thermal Diffusivity, mm2/s 3.7
3.7
Thermal Shock Resistance, points 14 to 16
14 to 16

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0.040 to 0.1
0.070 to 0.15
Chromium (Cr), % 15.5 to 17.5
15.5 to 17.5
Iron (Fe), % 57.9 to 65.7
62.1 to 69
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 15.5 to 17.5
12.5 to 14.5
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.3 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 2.5 to 3.5
2.5 to 3.0

Comparable Variants