ACI-ASTM CD6MN (ASTM A890 Grade 3A, J93371) Cast Stainless Steel

Duplex Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength730MPa

Yield Strength510MPa

Brinell HardnessUnknown

Maximum Service Temperature1100°C

Weight Calculator

Chemical Composition

0 to 0.060%

24 to 27%

4.0 to 6.0%

1.8 to 2.5%

0 to 1.0%

0.15 to 0.25%

0 to 0.040%

62.1 to 70.1%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

28 %

Fatigue Strength

370 MPa

Poisson's Ratio

0.27

Shear Modulus

80 GPa

Tensile Strength: Ultimate (UTS)

730 MPa

Tensile Strength: Yield (Proof)

510 MPa

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

300 J/g

Maximum Temperature: Corrosion

450 °C

Maximum Temperature: Mechanical

1100 °C

Melting Completion (Liquidus)

1440 °C

Melting Onset (Solidus)

1390 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

16 W/m-K

Thermal Diffusivity

4.4 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

20 points

Electrical

Electrical Conductivity: Equal Volume

2.1 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.4 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

180 MJ/m 3

Resilience: Unit (Modulus of Resilience)

650 kJ/m 3

Stiffness to Weight: Axial

15 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

26 points

Strength to Weight: Bending

23 points

Environmental

Base Metal Price

17 % relative

Embodied Carbon

3.4 kg CO 2 /kg material

Embodied Energy

48 MJ/kg

Embodied Energy

48 MJ/kg 21 x 10 3 BTU/lb

Embodied Water

170 L/kg

Embodied Water

170 L/kg 20 gal/lb

Registered Designations & Aliases

ACI-ASTM CD6MN (ASTM A890 Grade 3A, J93371) Cast Stainless SteelASTM A890 Grade 3AJ93371

Standards

ASTM A890 ASTM A890: Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application

ASTM A890 ASTM A890: Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application Duplex Stainless Steels, Iris Alvarez-Armas and Suzanne Degallaix-Moreuil (editors), 2009 Duplex Stainless Steels: Microstructure, Properties and Applications, Robert N. Gunn (editor), 1997 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993 Corrosion of Stainless Steels, A. John Sedriks, 1996