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EN 1.4542 Stainless Steel vs. ASTM A387 Grade 5 Steel

Both EN 1.4542 stainless steel and ASTM A387 grade 5 steel are iron alloys. They have 80% 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 1.4542 stainless steel and the bottom bar is ASTM A387 grade 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 20
20 to 21
Fatigue Strength, MPa 370 to 640
160 to 240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 550 to 860
310 to 380
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
500 to 600
Tensile Strength: Yield (Proof), MPa 580 to 1300
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 860
510
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.7
Embodied Energy, MJ/kg 39
23
Embodied Water, L/kg 130
69

Common Calculations

PREN (Pitting Resistance) 17
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
140 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 52
18 to 21
Strength to Weight: Bending, points 26 to 37
18 to 20
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 29 to 49
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 15 to 17
4.0 to 6.0
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
92.1 to 95.3
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.6
0.45 to 0.65
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025