AISI 405 (S40500) Stainless Steel

Ferritic Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus190GPa

Tensile Strength470MPa

Yield Strength200MPa

Brinell Hardness170HB

Maximum Service Temperature820°C

Weight Calculator

Chemical Composition

0 to 0.080%

11.5 to 14.5%

0 to 0.6%

0 to 1.0%

0 to 0.040%

0 to 0.030%

0.1 to 0.3%

82.5 to 88.4%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

22 %

Fatigue Strength

130 MPa

Poisson's Ratio

0.28

Reduction in Area

51 %

Shear Modulus

76 GPa

Shear Strength

300 MPa

Tensile Strength: Ultimate (UTS)

470 MPa

Tensile Strength: Yield (Proof)

200 MPa

Hardness

Brinell Hardness

170

Rockwell B Hardness

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

390 °C

Maximum Temperature: Mechanical

820 °C

Melting Completion (Liquidus)

1530 °C

Melting Onset (Solidus)

1480 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

30 W/m-K

Thermal Diffusivity

8.1 mm 2 /s

Thermal Expansion

11 µm/m-K

Thermal Shock Resistance

16 points

Electrical

Electrical Conductivity: Equal Volume

2.9 % IACS

Electrical Conductivity: Equal Weight (Specific)

3.3 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

84 MJ/m 3

Resilience: Unit (Modulus of Resilience)

100 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

17 points

Strength to Weight: Bending

17 points

Environmental

Base Metal Price

7.0 % relative

Embodied Carbon

2.0 kg CO 2 /kg material

Embodied Energy

28 MJ/kg

Embodied Energy

28 MJ/kg 12 x 10 3 BTU/lb

Embodied Water

100 L/kg

Embodied Water

100 L/kg 12 gal/lb

Physical Other

Calomel Potential

-210 mV

Registered Designations & Aliases

405AISI 405AISI 405 (S40500) Stainless SteelS40500

Standards

ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM A276 ASTM A276: Standard Specification for Stainless Steel Bars and Shapes

ASTM A473 ASTM A473: Standard Specification for Stainless Steel Forgings

ASTM A473 ASTM A473: Standard Specification for Stainless Steel Forgings ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels ASTM A276: Standard Specification for Stainless Steel Bars and Shapes Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011 Corrosion of Stainless Steels, A. John Sedriks, 1996

ASTM A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels