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EN 1.4971 Stainless Steel vs. S44627 Stainless Steel

Both EN 1.4971 stainless steel and S44627 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is S44627 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
24
Fatigue Strength, MPa 270
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 81
80
Shear Strength, MPa 530
310
Tensile Strength: Ultimate (UTS), MPa 800
490
Tensile Strength: Yield (Proof), MPa 340
300

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 570
470
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.6
2.9
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 300
160

Common Calculations

PREN (Pitting Resistance) 38
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
100
Resilience: Unit (Modulus of Resilience), kJ/m3 280
220
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 3.4
4.6
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.010
Chromium (Cr), % 20 to 22.5
25 to 27.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 24.3 to 37.1
69.2 to 74.2
Manganese (Mn), % 0 to 2.0
0 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
0.75 to 1.5
Nickel (Ni), % 19 to 21
0 to 0.5
Niobium (Nb), % 0.75 to 1.3
0.050 to 0.2
Nitrogen (N), % 0.1 to 0.2
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 2.0 to 3.0
0