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EN 1.4962 Stainless Steel vs. SAE-AISI H21 Steel

Both EN 1.4962 stainless steel and SAE-AISI H21 steel are iron alloys. They have 73% 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 EN 1.4962 stainless steel and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 630 to 690
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1480
1630
Melting Onset (Solidus), °C 1440
1580
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 14
27
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 4.1
4.5
Embodied Energy, MJ/kg 59
68
Embodied Water, L/kg 150
72

Common Calculations

PREN (Pitting Resistance) 21
19
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 24
23 to 58
Strength to Weight: Bending, points 20 to 21
21 to 38
Thermal Diffusivity, mm2/s 3.7
7.1
Thermal Shock Resistance, points 14 to 16
24 to 59

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0.28 to 0.36
Chromium (Cr), % 15.5 to 17.5
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.1 to 69
87.6 to 93.8
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Nickel (Ni), % 12.5 to 14.5
0 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.5
0.15 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.4 to 0.7
0
Tungsten (W), % 2.5 to 3.0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6