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EN 1.4962 Stainless Steel vs. EN 1.4903 Stainless Steel

Both EN 1.4962 stainless steel and EN 1.4903 stainless steel are iron alloys. They have 75% 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 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22 to 34
20 to 21
Fatigue Strength, MPa 210 to 330
320 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 420 to 440
420
Tensile Strength: Ultimate (UTS), MPa 630 to 690
670 to 680
Tensile Strength: Yield (Proof), MPa 260 to 490
500

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 510
380
Maximum Temperature: Mechanical, °C 910
650
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
26
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
7.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 4.1
2.6
Embodied Energy, MJ/kg 59
36
Embodied Water, L/kg 150
88

Common Calculations

PREN (Pitting Resistance) 21
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 24
24
Strength to Weight: Bending, points 20 to 21
22
Thermal Diffusivity, mm2/s 3.7
7.0
Thermal Shock Resistance, points 14 to 16
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0.080 to 0.12
Chromium (Cr), % 15.5 to 17.5
8.0 to 9.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 62.1 to 69
87.1 to 90.5
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 12.5 to 14.5
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.035
0 to 0.025
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
Vanadium (V), % 0
0.18 to 0.25