Stainless Steel
1.4003 (3CR12)

Datasheet Updated

05 August 2021

Range

Sheet Size (ID Finish)Thicknesses
2000 x 10002.0mm - 4.0mm
2500 x 12502.0mm - 4.0mm
3000 x 15002.0mm - 4.0mm

Specifications

Commercial

3CR12

EN

1.4003

A utility ferritic stainless steel, often used in place of mild steel.

Chemical Composition

EN 10088-2

1.4003 Steel

Element % Present

Carbon (C)

0.00 - 0.03

Chromium (Cr)

10.50 - 12.50

Manganese (Mn)

0.00 - 1.50

Silicon (Si)

0.00 - 1.00

Phosphorous (P)

0.00 - 0.04

Sulphur (S)

0.00 - 0.02

Nickel (Ni)

0.30 - 1.00

Nitrogen (N)

0.00 - 0.03

Iron (Fe)

Balance

Alloy Designations

Stainless steel grade 1.4003 also corresponds to but may not be a direct equvalent to:

  • 3CR12
  • Nirosta 4003

Supplied Forms

  • Bar
  • Sheet
  • Plate

Applications

  • Bulk wet materials handling
  • Vehicle frames/chassis
  • Rail car hoppers
  • Sweeper and gritter vehicles
  • Conveyors, chutes, screen, troughs
  • Bunkers & hoppers
  • Tanks & containers
  • Chimneys & ducting
  • Enclosures & cabinets
  • Walkways, stairs & railings
  • Cable trays

Characteristics

  • 250 times greater corrosion resistance than mild steel
  • Corrosion/abrasion resistance
  • Economical - Low initial cost, low maintenance
  • High strength
  • Excellent impact resistance
  • Can be welded by conventional methods
  • Can eliminate need for protective coating
  • Can eliminate need for corrosion allowance
  • Proven success in many applications across a wide range of industries
  • Good performance at elevated temperatures
  • Lower cost than austenitic stainless

Mechanical Properties

EN 10088-2

Bar Up to 100mm Dia or Thickness

Property Value

Proof Stress

260 Min Mpa

Tensile Strength

450-600 MPa

Hardness Brinell

200 Max HB

Elongation A

20 Min %

EN 10088-2

Sheet & Plate Up to 13.5mm Thick

Property Value

Proof Stress

280 Min MPa

Tensile Strength

450-650 MPa

Elongation A

20 Min %

EN 10088-2

Plate Over 13.5mm to 25mm Thick

Property Value

Proof Stress

250 Min MPa

Tensile Strength

450 - 650 MPa

Elongation A

18 Min %

Disclaimer

This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon. Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.

The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed S online) and manufacturers' data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources. Material supplied by the Company may vary significantly from this data but will conform to all relevant and applicable standards. As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose, whether expressed or implied. Advice given by the Company to any third party is given for that party's assistance only and without liability on the part of the Company. All transactions are subject to the Company's current Conditions of Sale. The extent of the Company's liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.