AISI 309 (S30900) Stainless Steel

Austenitic & General Stainless Steels

Material conditionhot worked

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus200GPa

Tensile Strength600MPa

Yield Strength260MPa

Brinell Hardness180HB

Maximum Service Temperature980°C

Weight Calculator

Chemical Composition

0 to 0.2%

22 to 24%

12 to 15%

0 to 2.0%

0 to 0.75%

0 to 0.045%

0 to 0.030%

58 to 66%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

47 %

Fatigue Strength

250 MPa

Poisson's Ratio

0.27

Shear Modulus

78 GPa

Shear Strength

420 MPa

Tensile Strength: Ultimate (UTS)

600 MPa

Tensile Strength: Yield (Proof)

260 MPa

Hardness

Brinell Hardness

180

Rockwell B Hardness

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

290 J/g

Maximum Temperature: Corrosion

440 °C

Maximum Temperature: Mechanical

980 °C

Melting Completion (Liquidus)

1450 °C

Melting Onset (Solidus)

1400 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

16 W/m-K

Thermal Diffusivity

4.3 mm 2 /s

Thermal Expansion

15 µm/m-K

Thermal Shock Resistance

14 points

Electrical

Electrical Conductivity: Equal Volume

2.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.5 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

230 MJ/m 3

Resilience: Unit (Modulus of Resilience)

170 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

21 points

Strength to Weight: Bending

20 points

Environmental

Base Metal Price

19 % relative

Embodied Carbon

3.6 kg CO 2 /kg material

Embodied Energy

51 MJ/kg

Embodied Energy

51 MJ/kg 22 x 10 3 BTU/lb

Embodied Water

170 L/kg

Embodied Water

170 L/kg 20 gal/lb

Registered Designations & Aliases

309AISI 309AISI 309 (S30900) Stainless SteelS30900

Standards

ASTM A167 ASTM A167: Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip

ASTM A167 ASTM A167: Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip EN 10095: Heat resisting steels and nickel alloys ASTM A276: Standard Specification for Stainless Steel Bars and Shapes Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

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

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

EN 10095 EN 10095: Heat resisting steels and nickel alloys