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SAE-AISI H43 Steel vs. S17700 Stainless Steel

Both SAE-AISI H43 steel and S17700 stainless steel are iron alloys. They have 78% 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 S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2140
1180 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1530
1440
Melting Onset (Solidus), °C 1480
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 8.2
2.8
Embodied Energy, MJ/kg 120
40
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 31
17
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 75
42 to 59
Strength to Weight: Bending, points 22 to 46
32 to 40
Thermal Diffusivity, mm2/s 8.3
4.1
Thermal Shock Resistance, points 21 to 62
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0.5 to 0.65
0 to 0.090
Chromium (Cr), % 3.8 to 4.5
16 to 18
Iron (Fe), % 83.2 to 85.9
70.5 to 76.8
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 7.8 to 8.5
0
Nickel (Ni), % 0
6.5 to 7.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.45
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 1.8 to 2.2
0

Comparable Variants