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EN 1.4962 Stainless Steel vs. ASTM A387 Grade 12 Steel

Both EN 1.4962 stainless steel and ASTM A387 grade 12 steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4962 stainless steel and the bottom bar is ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22 to 34
25
Fatigue Strength, MPa 210 to 330
190 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 420 to 440
300 to 330
Tensile Strength: Ultimate (UTS), MPa 630 to 690
470 to 520
Tensile Strength: Yield (Proof), MPa 260 to 490
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 910
430
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.6
Embodied Energy, MJ/kg 59
21
Embodied Water, L/kg 150
51

Common Calculations

PREN (Pitting Resistance) 21
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
180 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
16 to 18
Strength to Weight: Bending, points 20 to 21
17 to 18
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 14 to 16
14 to 15

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0.050 to 0.17
Chromium (Cr), % 15.5 to 17.5
0.8 to 1.2
Iron (Fe), % 62.1 to 69
97 to 98.2
Manganese (Mn), % 0 to 1.5
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 12.5 to 14.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.5
0.15 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.4 to 0.7
0
Tungsten (W), % 2.5 to 3.0
0