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SAE-AISI H21 Steel vs. EN 1.4713 Stainless Steel

Both SAE-AISI H21 steel and EN 1.4713 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H21 steel and the bottom bar is EN 1.4713 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
520

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1630
1440
Melting Onset (Solidus), °C 1580
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 27
23
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
4.6
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 4.5
1.7
Embodied Energy, MJ/kg 68
24
Embodied Water, L/kg 72
84

Common Calculations

PREN (Pitting Resistance) 19
7.0
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23 to 58
19
Strength to Weight: Bending, points 21 to 38
19
Thermal Diffusivity, mm2/s 7.1
6.2
Thermal Shock Resistance, points 24 to 59
18

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.0
Carbon (C), % 0.28 to 0.36
0 to 0.12
Chromium (Cr), % 3.0 to 3.8
6.0 to 8.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87.6 to 93.8
88.8 to 93
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.5
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0