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EN 1.4962 Stainless Steel vs. EN 1.4749 Stainless Steel

Both EN 1.4962 stainless steel and EN 1.4749 stainless steel are iron alloys. They have 83% 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 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 34
16
Fatigue Strength, MPa 210 to 330
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 420 to 440
370
Tensile Strength: Ultimate (UTS), MPa 630 to 690
600
Tensile Strength: Yield (Proof), MPa 260 to 490
320

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 510
450
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1440
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 16
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 4.1
2.5
Embodied Energy, MJ/kg 59
36
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 21
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
80
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 21 to 24
22
Strength to Weight: Bending, points 20 to 21
21
Thermal Diffusivity, mm2/s 3.7
4.6
Thermal Shock Resistance, points 14 to 16
22

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0.15 to 0.2
Chromium (Cr), % 15.5 to 17.5
26 to 29
Iron (Fe), % 62.1 to 69
68.5 to 73.7
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 12.5 to 14.5
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
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