EN 1.4903 (X10CrMoVNb9-1) Stainless Steel

Other Steels

Material conditionnormalized and tempered

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength680MPa

Yield Strength500MPa

Brinell HardnessUnknown

Maximum Service Temperature650°C

Weight Calculator

Chemical Composition

0.080 to 0.12%

8.0 to 9.5%

0 to 0.4%

0.85 to 1.1%

0.3 to 0.6%

0 to 0.5%

0.030 to 0.070%

0 to 0.025%

0 to 0.015%

0 to 0.3%

0.060 to 0.1%

0.18 to 0.25%

0 to 0.040%

87.1 to 90.5%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

20 %

Fatigue Strength

320 MPa

Impact Strength: V-Notched Charpy

42 J

Poisson's Ratio

0.28

Shear Modulus

75 GPa

Shear Strength

420 MPa

Tensile Strength: Ultimate (UTS)

680 MPa

Tensile Strength: Yield (Proof)

500 MPa

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

270 J/g

Maximum Temperature: Corrosion

380 °C

Maximum Temperature: Mechanical

650 °C

Melting Completion (Liquidus)

1460 °C

Melting Onset (Solidus)

1420 °C

Specific Heat Capacity

470 J/kg-K

Thermal Conductivity

26 W/m-K

Thermal Diffusivity

7.0 mm 2 /s

Thermal Expansion

11 µm/m-K

Thermal Shock Resistance

23 points

Electrical

Electrical Conductivity: Equal Volume

3.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

4.0 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

120 MJ/m 3

Resilience: Unit (Modulus of Resilience)

650 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

24 points

Strength to Weight: Bending

22 points

Environmental

Base Metal Price

7.0 % relative

Embodied Carbon

2.6 kg CO 2 /kg material

Embodied Energy

36 MJ/kg

Embodied Energy

36 MJ/kg 16 x 10 3 BTU/lb

Embodied Water

88 L/kg

Embodied Water

88 L/kg 11 gal/lb

Registered Designations & Aliases

1.49031.4903EN 1.4903 (X10CrMoVNb9-1) Stainless SteelX10CrMoVNb9-1X10CrMoVNb9-1

Standards

EN 10028-2 EN 10028-2: 2009 Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties

EN 10028-2 EN 10028-2: Flat products made of steels for pressure purposes - Part 2: Non-alloy and alloy steels with specified elevated temperature properties

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 10216-2 EN 10216-2: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties

EN 10216-2 EN 10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties

EN 10222-2 EN 10222-2: 2000 Steel forgings for pressure purposes. Ferritic and martensitic steels with specified elevated temperature properties

EN 10222-2 EN 10222-2: Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperature properties

EN 10222-2 EN 10222-2: Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperature properties EN 10028-2: Flat products made of steels for pressure purposes - Part 2: Non-alloy and alloy steels with specified elevated temperature properties EN 10216-2: Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties EN 10302: Creep resisting steels, nickel and cobalt alloys Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 EN 10088-1: Stainless steels - Part 1: List of stainless steels Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011 Corrosion of Stainless Steels, A. John Sedriks, 1996

EN 10253-2 EN 10253-2: 2007 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements

EN 10302 EN 10302: 2008 Creep resisting steels, nickel and cobalt alloys

EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys