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EN 1.4401 Stainless Steel vs. ASTM A387 Grade 22L Class 1

Both EN 1.4401 stainless steel and ASTM A387 grade 22L class 1 are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 1.4401 stainless steel and the bottom bar is ASTM A387 grade 22L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
20
Fatigue Strength, MPa 200 to 320
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 410 to 550
310
Tensile Strength: Ultimate (UTS), MPa 600 to 900
500
Tensile Strength: Yield (Proof), MPa 230 to 570
230

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 950
460
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.7
Embodied Energy, MJ/kg 52
23
Embodied Water, L/kg 150
58

Common Calculations

PREN (Pitting Resistance) 26
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
83
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
18
Strength to Weight: Bending, points 20 to 26
18
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 16.5 to 18.5
2.0 to 2.5
Iron (Fe), % 62.8 to 71.5
95.2 to 96.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 2.0 to 2.5
0.9 to 1.1
Nickel (Ni), % 10 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025