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EN 1.3542 Stainless Steel vs. ASTM A387 Grade 21L Class 1

Both EN 1.3542 stainless steel and ASTM A387 grade 21L class 1 are iron alloys. They have 89% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3542 stainless steel and the bottom bar is ASTM A387 grade 21L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 720
500

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 770
480
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 29
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
4.1
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.8
Embodied Energy, MJ/kg 29
23
Embodied Water, L/kg 100
62

Common Calculations

PREN (Pitting Resistance) 15
6.4
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 7.9
11
Thermal Shock Resistance, points 26
14

Alloy Composition

Carbon (C), % 0.6 to 0.7
0 to 0.1
Chromium (Cr), % 12.5 to 14.5
2.8 to 3.3
Iron (Fe), % 82.7 to 87.5
94.4 to 96.1
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025