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EN 1.3967 Stainless Steel vs. ASTM A387 Grade 12 Steel

Both EN 1.3967 stainless steel and ASTM A387 grade 12 steel are iron alloys. They have 56% 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 1.3967 stainless steel and the bottom bar is ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
25
Fatigue Strength, MPa 240
190 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 690
470 to 520
Tensile Strength: Yield (Proof), MPa 350
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1070
430
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.6
Embodied Energy, MJ/kg 66
21
Embodied Water, L/kg 180
51

Common Calculations

PREN (Pitting Resistance) 36
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 310
180 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
16 to 18
Strength to Weight: Bending, points 22
17 to 18
Thermal Shock Resistance, points 15
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.17
Chromium (Cr), % 20 to 21.5
0.8 to 1.2
Iron (Fe), % 50.3 to 57.8
97 to 98.2
Manganese (Mn), % 4.0 to 6.0
0.4 to 0.65
Molybdenum (Mo), % 3.0 to 3.5
0.45 to 0.6
Nickel (Ni), % 15 to 17
0
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.025