EN 1.4303 (X4CrNi18-12) Stainless Steel

Austenitic & General Stainless Steels

Material conditionsolution annealed (AT)

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus200GPa

Tensile Strength590MPa

Yield Strength230MPa

Brinell Hardness190HB

Maximum Service Temperature940°C

Weight Calculator

Chemical Composition

0 to 0.060%

17 to 19%

11 to 13%

0 to 2.0%

0 to 1.0%

0 to 0.1%

0 to 0.045%

0 to 0.015%

64.8 to 72%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

49 %

Fatigue Strength

220 MPa

Impact Strength: V-Notched Charpy

98 J

Poisson's Ratio

0.28

Shear Modulus

77 GPa

Shear Strength

420 MPa

Tensile Strength: Ultimate (UTS)

590 MPa

Tensile Strength: Yield (Proof)

230 MPa

Hardness

Brinell Hardness

190

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

290 J/g

Maximum Temperature: Corrosion

410 °C

Maximum Temperature: Mechanical

940 °C

Melting Completion (Liquidus)

1420 °C

Melting Onset (Solidus)

1380 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

15 W/m-K

Thermal Diffusivity

4.0 mm 2 /s

Thermal Expansion

16 µm/m-K

Thermal Shock Resistance

13 points

Electrical

Electrical Conductivity: Equal Volume

2.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.7 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

230 MJ/m 3

Resilience: Unit (Modulus of Resilience)

140 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

17 % relative

Embodied Carbon

3.2 kg CO 2 /kg material

Embodied Energy

46 MJ/kg

Embodied Energy

46 MJ/kg 20 x 10 3 BTU/lb

Embodied Water

150 L/kg

Embodied Water

150 L/kg 17 gal/lb

Registered Designations & Aliases

1.43031.4303EN 1.4303 (X4CrNi18-12) Stainless SteelX4CrNi18-12X4CrNi18-12

Standards

EN 10088-1 EN 10088-1: 2005 Stainless steels. List of stainless steels

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

EN 10088-2 EN 10088-2: 2005 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

EN 10088-3 EN 10088-3: 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

EN 10088-3 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 10263-5 EN 10263-5: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for stainless steels

EN 10269 EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

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

EN 10269 EN 10269: Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 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