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S30600 Stainless Steel vs. ASTM A387 Grade 21L Class 1

Both S30600 stainless steel and ASTM A387 grade 21L class 1 are iron alloys. Both are furnished in the annealed condition. They have 66% of their average alloy composition in common. There are 32 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 S30600 stainless steel and the bottom bar is ASTM A387 grade 21L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
21
Fatigue Strength, MPa 250
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 430
310
Tensile Strength: Ultimate (UTS), MPa 610
500
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 350
260
Maximum Temperature: Mechanical, °C 950
480
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1330
1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
41
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.1
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.8
Embodied Energy, MJ/kg 51
23
Embodied Water, L/kg 150
62

Common Calculations

PREN (Pitting Resistance) 18
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
84
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.018
0 to 0.1
Chromium (Cr), % 17 to 18.5
2.8 to 3.3
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.9 to 65.3
94.4 to 96.1
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.2
0.9 to 1.1
Nickel (Ni), % 14 to 15.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 3.7 to 4.3
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025