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SAE-AISI 9255 Steel vs. EN 1.4962 Stainless Steel

Both SAE-AISI 9255 steel and EN 1.4962 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 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 SAE-AISI 9255 steel and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
22 to 34
Fatigue Strength, MPa 270
210 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 430
420 to 440
Tensile Strength: Ultimate (UTS), MPa 680
630 to 690
Tensile Strength: Yield (Proof), MPa 390
260 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Mechanical, °C 400
910
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
23
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 1.5
4.1
Embodied Energy, MJ/kg 20
59
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 400
170 to 610
Stiffness to Weight: Axial, points 13
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 13
3.7
Thermal Shock Resistance, points 21
14 to 16

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0.51 to 0.59
0.070 to 0.15
Chromium (Cr), % 0
15.5 to 17.5
Iron (Fe), % 96.2 to 97
62.1 to 69
Manganese (Mn), % 0.7 to 1.0
0 to 1.5
Nickel (Ni), % 0
12.5 to 14.5
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 1.8 to 2.2
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0