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SAE-AISI H19 Steel vs. EN 1.4125 Stainless Steel

Both SAE-AISI H19 steel and EN 1.4125 stainless steel are iron alloys. They have 86% 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 H19 steel and the bottom bar is EN 1.4125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
800

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1540
1430
Melting Onset (Solidus), °C 1490
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 29
15
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.0
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 7.5
2.3
Embodied Energy, MJ/kg 110
32
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 13
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 68
29
Strength to Weight: Bending, points 22 to 43
25
Thermal Diffusivity, mm2/s 7.9
4.1
Thermal Shock Resistance, points 21 to 59
29

Alloy Composition

Carbon (C), % 0.32 to 0.45
1.0 to 1.2
Chromium (Cr), % 4.0 to 4.8
16 to 18
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.4 to 85.5
78 to 82.7
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.55
0.4 to 0.8
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 3.8 to 4.5
0
Vanadium (V), % 1.8 to 2.2
0