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EN 1.4005 Stainless Steel vs. SAE-AISI H21 Steel

Both EN 1.4005 stainless steel and SAE-AISI H21 steel are iron alloys. They have 89% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4005 stainless steel and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 630 to 750
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1440
1630
Melting Onset (Solidus), °C 1400
1580
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 30
27
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
23
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.0
4.5
Embodied Energy, MJ/kg 28
68
Embodied Water, L/kg 100
72

Common Calculations

PREN (Pitting Resistance) 14
19
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23 to 27
23 to 58
Strength to Weight: Bending, points 21 to 24
21 to 38
Thermal Diffusivity, mm2/s 8.1
7.1
Thermal Shock Resistance, points 23 to 27
24 to 59

Alloy Composition

Carbon (C), % 0.060 to 0.15
0.28 to 0.36
Chromium (Cr), % 12 to 14
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 82.4 to 87.8
87.6 to 93.8
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.5
Sulfur (S), % 0.15 to 0.35
0 to 0.030
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6

Comparable Variants