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S30601 Stainless Steel vs. ASTM A387 Grade 12 Steel

Both S30601 stainless steel and ASTM A387 grade 12 steel are iron alloys. They have 61% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S30601 stainless steel and the bottom bar is ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 37
25
Fatigue Strength, MPa 250
190 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 450
300 to 330
Tensile Strength: Ultimate (UTS), MPa 660
470 to 520
Tensile Strength: Yield (Proof), MPa 300
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 950
430
Melting Completion (Liquidus), °C 1360
1470
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.8
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.6
Embodied Energy, MJ/kg 55
21
Embodied Water, L/kg 150
51

Common Calculations

PREN (Pitting Resistance) 18
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
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 16
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.015
0.050 to 0.17
Chromium (Cr), % 17 to 18
0.8 to 1.2
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 56.9 to 60.5
97 to 98.2
Manganese (Mn), % 0.5 to 0.8
0.4 to 0.65
Molybdenum (Mo), % 0 to 0.2
0.45 to 0.6
Nickel (Ni), % 17 to 18
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 5.0 to 5.6
0.15 to 0.4
Sulfur (S), % 0 to 0.013
0 to 0.025