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EN 1.4547 Stainless Steel vs. SAE-AISI M30 Steel

Both EN 1.4547 stainless steel and SAE-AISI M30 steel are iron alloys. They have 65% 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 1.4547 stainless steel and the bottom bar is SAE-AISI M30 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 80
78
Tensile Strength: Ultimate (UTS), MPa 750
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1470
1550
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 14
24
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
26
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 5.6
7.2
Embodied Energy, MJ/kg 75
100
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 45
35
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
27 to 74
Strength to Weight: Bending, points 23
24 to 46
Thermal Diffusivity, mm2/s 3.8
6.6
Thermal Shock Resistance, points 16
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.020
0.75 to 0.85
Chromium (Cr), % 19.5 to 20.5
3.5 to 4.3
Cobalt (Co), % 0
4.5 to 5.5
Copper (Cu), % 0.5 to 1.0
0 to 0.25
Iron (Fe), % 51 to 56.3
75.2 to 80.9
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 6.0 to 7.0
7.8 to 9.0
Nickel (Ni), % 17.5 to 18.5
0 to 0.3
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.7
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
1.3 to 2.3
Vanadium (V), % 0
1.0 to 1.4