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Cold Worked (+C700) 1.4301 Stainless Steel

EN 1.4301 +C700 steel is EN 1.4301 stainless steel in the cold worked (strain hardened) condition. The graph bars on the material properties cards below compare EN 1.4301 +C700 steel to: wrought austenitic stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

240

Elastic (Young's, Tensile) Modulus

200 GPa 29 x 106 psi

Elongation at Break

22 %

Fatigue Strength

260 MPa 38 x 103 psi

Impact Strength: V-Notched Charpy

91 J 67 ft-lb

Poisson's Ratio

0.28

Shear Modulus

77 GPa 11 x 106 psi

Shear Strength

490 MPa 71 x 103 psi

Tensile Strength: Ultimate (UTS)

780 MPa 110 x 103 psi

Tensile Strength: Yield (Proof)

390 MPa 57 x 103 psi

Thermal Properties

Latent Heat of Fusion

290 J/g

Maximum Temperature: Corrosion

420 °C 780 °F

Maximum Temperature: Mechanical

940 °C 1730 °F

Melting Completion (Liquidus)

1430 °C 2600 °F

Melting Onset (Solidus)

1380 °C 2520 °F

Specific Heat Capacity

480 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

15 W/m-K 8.7 BTU/h-ft-°F

Thermal Expansion

16 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

2.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.7 % IACS

Otherwise Unclassified Properties

Base Metal Price

15 % relative

Density

7.8 g/cm3 490 lb/ft3

Embodied Carbon

3.0 kg CO2/kg material

Embodied Energy

43 MJ/kg 18 x 103 BTU/lb

Embodied Water

140 L/kg 17 gal/lb

Common Calculations

PREN (Pitting Resistance)

19

Resilience: Ultimate (Unit Rupture Work)

150 MJ/m3

Resilience: Unit (Modulus of Resilience)

390 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

28 points

Strength to Weight: Bending

24 points

Thermal Diffusivity

4.0 mm2/s

Thermal Shock Resistance

18 points

Alloy Composition

Iron (Fe)Fe 66.8 to 74.5
Chromium (Cr)Cr 17.5 to 19.5
Nickel (Ni)Ni 8.0 to 10.5
Manganese (Mn)Mn 0 to 2.0
Silicon (Si)Si 0 to 1.0
Nitrogen (N)N 0 to 0.1
Carbon (C)C 0 to 0.070
Phosphorus (P)P 0 to 0.045
Sulfur (S)S 0 to 0.015

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

EN 10222-5: Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels

EN 10250-4: Open die steel forgings for general engineering purposes - Part 4: Stainless steels

EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

EN 10088-1: Stainless steels - Part 1: List of stainless steels

Corrosion of Austenitic Stainless Steels: Mechanism, Mitigation and Monitoring, H. S. Khatak and B. Raj (editors), 2002

Austenitic Stainless Steels: Microstructure and Mechanical Properties, P. Marshall, 1984

Advances in Stainless Steels, Baldev Raj et al. (editors), 2010