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SAE-AISI H43 Steel vs. EN 1.4951 Stainless Steel

Both SAE-AISI H43 steel and EN 1.4951 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H43 steel and the bottom bar is EN 1.4951 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
630

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1530
1410
Melting Onset (Solidus), °C 1480
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 14
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 8.2
4.3
Embodied Energy, MJ/kg 120
61
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 31
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
22
Strength to Weight: Bending, points 22 to 46
21
Thermal Diffusivity, mm2/s 8.3
3.9
Thermal Shock Resistance, points 21 to 62
14

Alloy Composition

Carbon (C), % 0.5 to 0.65
0.040 to 0.080
Chromium (Cr), % 3.8 to 4.5
24 to 26
Iron (Fe), % 83.2 to 85.9
49.1 to 57
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 7.8 to 8.5
0
Nickel (Ni), % 0
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.45
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 1.8 to 2.2
0