UNS S40975 Stainless Steel

Ferritic Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength460MPa

Yield Strength310MPa

Brinell Hardness170HB

Maximum Service Temperature710°C

Weight Calculator

Chemical Composition

0 to 0.030%

10.5 to 11.7%

0.5 to 1.0%

0 to 1.0%

0 to 0.030%

0 to 0.040%

0 to 0.030%

0 to 0.75%

84.4 to 89%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

22 %

Fatigue Strength

210 MPa

Poisson's Ratio

0.28

Shear Modulus

75 GPa

Shear Strength

290 MPa

Tensile Strength: Ultimate (UTS)

460 MPa

Tensile Strength: Yield (Proof)

310 MPa

Hardness

Brinell Hardness

170

Rockwell B Hardness

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

270 J/g

Maximum Temperature: Corrosion

450 °C

Maximum Temperature: Mechanical

710 °C

Melting Completion (Liquidus)

1450 °C

Melting Onset (Solidus)

1400 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

26 W/m-K

Thermal Diffusivity

7.0 mm 2 /s

Thermal Expansion

10 µm/m-K

Thermal Shock Resistance

17 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)

93 MJ/m 3

Resilience: Unit (Modulus of Resilience)

250 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

6.5 % 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

95 L/kg

Embodied Water

95 L/kg 11 gal/lb

Registered Designations & Aliases

S40975UNS S40975 Stainless Steel

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 A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993 Corrosion of Stainless Steels, A. John Sedriks, 1996

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