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EN 1.6958 Steel vs. SAE-AISI H41 Steel

Both EN 1.6958 steel and SAE-AISI H41 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 (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.6958 steel and the bottom bar is SAE-AISI H41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 1140
710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1560
Melting Onset (Solidus), °C 1420
1510
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 47
28
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
18
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.0
6.8
Embodied Energy, MJ/kg 27
97
Embodied Water, L/kg 60
97

Common Calculations

PREN (Pitting Resistance) 2.9
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 40
24 to 76
Strength to Weight: Bending, points 31
22 to 47
Thermal Diffusivity, mm2/s 13
7.7
Thermal Shock Resistance, points 39
20 to 64

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0.6 to 0.75
Chromium (Cr), % 1.2 to 1.7
3.5 to 4.0
Iron (Fe), % 92.6 to 94.5
81.8 to 85
Manganese (Mn), % 0.2 to 0.5
0.15 to 0.4
Molybdenum (Mo), % 0.35 to 0.55
8.2 to 9.2
Nickel (Ni), % 3.3 to 3.8
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0.15 to 0.3
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0 to 0.12
1.0 to 1.3