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AISI 202 Stainless Steel vs. EN 1.4742 Stainless Steel

Both AISI 202 stainless steel and EN 1.4742 stainless steel are iron alloys. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
17
Fatigue Strength, MPa 290 to 330
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 490 to 590
370
Tensile Strength: Ultimate (UTS), MPa 700 to 980
600
Tensile Strength: Yield (Proof), MPa 310 to 580
300

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
1000
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
19
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.0
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 40
32
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
84
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 35
22
Strength to Weight: Bending, points 23 to 29
21
Thermal Diffusivity, mm2/s 4.0
5.1
Thermal Shock Resistance, points 15 to 21
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0 to 0.15
0 to 0.12
Chromium (Cr), % 17 to 19
17 to 19
Iron (Fe), % 63.5 to 71.5
77.2 to 81.6
Manganese (Mn), % 7.5 to 10
0 to 1.0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015