MakeItFrom.com
Menu (ESC)

ASTM A387 Grade 21L Class 1 vs. EN 1.4542 Stainless Steel

Both ASTM A387 grade 21L class 1 and EN 1.4542 stainless steel are iron alloys. They have 78% 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 ASTM A387 grade 21L class 1 and the bottom bar is EN 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
5.7 to 20
Fatigue Strength, MPa 160
370 to 640
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 310
550 to 860
Tensile Strength: Ultimate (UTS), MPa 500
880 to 1470
Tensile Strength: Yield (Proof), MPa 230
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 480
860
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 23
39
Embodied Water, L/kg 62
130

Common Calculations

PREN (Pitting Resistance) 6.4
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 140
880 to 4360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
31 to 52
Strength to Weight: Bending, points 18
26 to 37
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 14
29 to 49

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.070
Chromium (Cr), % 2.8 to 3.3
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 94.4 to 96.1
69.6 to 79
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.6
Nickel (Ni), % 0
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015