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EN 1.4630 Stainless Steel vs. EN 1.4971 Stainless Steel

Both EN 1.4630 stainless steel and EN 1.4971 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4630 stainless steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 23
34
Fatigue Strength, MPa 170
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
81
Shear Strength, MPa 300
530
Tensile Strength: Ultimate (UTS), MPa 480
800
Tensile Strength: Yield (Proof), MPa 250
340

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
570
Maximum Temperature: Mechanical, °C 800
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 28
13
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.5
7.6
Embodied Energy, MJ/kg 36
110
Embodied Water, L/kg 120
300

Common Calculations

PREN (Pitting Resistance) 15
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
220
Resilience: Unit (Modulus of Resilience), kJ/m3 160
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 7.5
3.4
Thermal Shock Resistance, points 17
19

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
0.080 to 0.16
Chromium (Cr), % 13 to 16
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 77.1 to 86.7
24.3 to 37.1
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.5
Nickel (Ni), % 0 to 0.5
19 to 21
Niobium (Nb), % 0 to 0.5
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0.2 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0.15 to 0.8
0
Tungsten (W), % 0
2.0 to 3.0