AISI 434 (S43400) Stainless Steel

Ferritic Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength520MPa

Yield Strength320MPa

Brinell Hardness170HB

Maximum Service Temperature880°C

Weight Calculator

Chemical Composition

0 to 0.12%

16 to 18%

0.75 to 1.3%

0 to 1.0%

0 to 0.040%

0 to 0.030%

78.6 to 83.3%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

24 %

Fatigue Strength

220 MPa

Poisson's Ratio

0.28

Shear Modulus

78 GPa

Shear Strength

330 MPa

Tensile Strength: Ultimate (UTS)

520 MPa

Tensile Strength: Yield (Proof)

320 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

410 °C

Maximum Temperature: Mechanical

880 °C

Melting Completion (Liquidus)

1510 °C

Melting Onset (Solidus)

1430 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

25 W/m-K

Thermal Diffusivity

6.7 mm 2 /s

Thermal Expansion

10 µm/m-K

Thermal Shock Resistance

19 points

Electrical

Electrical Conductivity: Equal Volume

2.5 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.9 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

110 MJ/m 3

Resilience: Unit (Modulus of Resilience)

260 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

19 points

Strength to Weight: Bending

18 points

Environmental

Base Metal Price

9.5 % relative

Embodied Carbon

2.4 kg CO 2 /kg material

Embodied Energy

33 MJ/kg

Embodied Energy

33 MJ/kg 14 x 10 3 BTU/lb

Embodied Water

120 L/kg

Embodied Water

120 L/kg 15 gal/lb

Physical Other

Calomel Potential

-230 mV

Registered Designations & Aliases

434AISI 434AISI 434 (S43400) Stainless SteelS43400

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 A276 ASTM A276: Standard Specification for Stainless Steel Bars and Shapes 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 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 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