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EN 1.4971 Stainless Steel vs. AISI 202 Stainless Steel

Both EN 1.4971 stainless steel and AISI 202 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
14 to 45
Fatigue Strength, MPa 270
290 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 530
490 to 590
Tensile Strength: Ultimate (UTS), MPa 800
700 to 980
Tensile Strength: Yield (Proof), MPa 340
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 570
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.6
2.8
Embodied Energy, MJ/kg 110
40
Embodied Water, L/kg 300
150

Common Calculations

PREN (Pitting Resistance) 38
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 280
250 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
25 to 35
Strength to Weight: Bending, points 23
23 to 29
Thermal Diffusivity, mm2/s 3.4
4.0
Thermal Shock Resistance, points 19
15 to 21

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.15
Chromium (Cr), % 20 to 22.5
17 to 19
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
63.5 to 71.5
Manganese (Mn), % 0 to 2.0
7.5 to 10
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
4.0 to 6.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0