AISI 414 (S41400) Stainless Steel

Martensitic Stainless Steels

Material conditiontempered (T)

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength900MPa

Yield Strength700MPa

Brinell Hardness280HB

Maximum Service Temperature750°C

Weight Calculator

Chemical Composition

0 to 0.15%

11.5 to 13.5%

1.3 to 2.5%

0 to 1.0%

0 to 0.040%

0 to 0.030%

81.8 to 87.3%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

17 %

Fatigue Strength

430 MPa

Poisson's Ratio

0.28

Reduction in Area

50 %

Shear Modulus

76 GPa

Shear Strength

550 MPa

Tensile Strength: Ultimate (UTS)

900 MPa

Tensile Strength: Yield (Proof)

700 MPa

Hardness

Brinell Hardness

280

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

390 °C

Maximum Temperature: Mechanical

750 °C

Melting Completion (Liquidus)

1440 °C

Melting Onset (Solidus)

1400 °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

33 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)

140 MJ/m 3

Resilience: Unit (Modulus of Resilience)

1260 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

32 points

Strength to Weight: Bending

27 points

Environmental

Base Metal Price

8.0 % relative

Embodied Carbon

2.1 kg CO 2 /kg material

Embodied Energy

29 MJ/kg

Embodied Energy

29 MJ/kg 12 x 10 3 BTU/lb

Embodied Water

100 L/kg

Embodied Water

100 L/kg 12 gal/lb

Registered Designations & Aliases

414AISI 414AISI 414 (S41400) Stainless SteelS41400

Standards

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 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 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