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EN 1.7767 Steel vs. SAE-AISI M34 Steel

Both EN 1.7767 steel and SAE-AISI M34 steel are iron alloys. They have 79% 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 1.7767 steel and the bottom bar is SAE-AISI M34 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 74
77
Tensile Strength: Ultimate (UTS), MPa 670 to 690
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1470
1540
Melting Onset (Solidus), °C 1430
1500
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 40
24
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
32
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 2.4
9.5
Embodied Energy, MJ/kg 33
140
Embodied Water, L/kg 64
150

Common Calculations

PREN (Pitting Resistance) 6.4
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
27 to 74
Strength to Weight: Bending, points 22
23 to 46
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 19 to 20
25 to 67

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.85 to 0.92
Chromium (Cr), % 2.8 to 3.3
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 93.8 to 95.8
71.3 to 76.5
Manganese (Mn), % 0.3 to 0.6
0.15 to 0.4
Molybdenum (Mo), % 0.9 to 1.1
7.8 to 9.2
Nickel (Ni), % 0 to 0.25
0 to 0.3
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.15
0.2 to 0.45
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0.2 to 0.3
1.9 to 2.3