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EN 1.4710 Stainless Steel vs. EN 1.4951 Stainless Steel

Both EN 1.4710 stainless steel and EN 1.4951 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4710 stainless steel and the bottom bar is EN 1.4951 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
38
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 360
450
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 9.9
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.8
4.3
Embodied Energy, MJ/kg 24
61
Embodied Water, L/kg 76
190

Common Calculations

PREN (Pitting Resistance) 7.2
26
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.5
3.9

Alloy Composition

Carbon (C), % 0.2 to 0.35
0.040 to 0.080
Chromium (Cr), % 6.0 to 8.0
24 to 26
Iron (Fe), % 87.4 to 92.3
49.1 to 57
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015