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EN 1.3975 Stainless Steel vs. ASTM A182 Grade F12 Class 2

Both EN 1.3975 stainless steel and ASTM A182 grade F12 class 2 are iron alloys. They have 64% of their average alloy composition in common. There are 27 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 1.3975 stainless steel and the bottom bar is ASTM A182 grade F12 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
22
Fatigue Strength, MPa 230
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 660
540
Tensile Strength: Yield (Proof), MPa 320
310

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 910
430
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.8
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.6
Embodied Energy, MJ/kg 47
21
Embodied Water, L/kg 150
52

Common Calculations

PREN (Pitting Resistance) 21
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 270
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.050
0.1 to 0.2
Chromium (Cr), % 16 to 18
0.8 to 1.3
Iron (Fe), % 58.2 to 65.4
96.4 to 98.3
Manganese (Mn), % 7.0 to 9.0
0.3 to 0.8
Molybdenum (Mo), % 0 to 1.0
0.44 to 0.65
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.040