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Ambient temperature mechanical properties of ferritic stainless steel bright bars to BS EN 10088-3

Introduction

BS EN 10088-3 gives the mechanical properties for stainless steel semi-finished products, bars, rods and sections for general purposes. This article covers ferritic stainless steels supplied as bright bars The properties given are proof strength, tensile strength, elongation and hardness.

The data given is not intended to replace that shown in individual standards to which reference should always be made.

BS EN 10088-3:2014 Edition

BS EN 10088-3 was originally published in 1995. The second version, BS EN 10088-3:2014, has been superseded by BS EN 10088-3:2014.

The tables shown here only have the 2014 tensile property ranges of the ferritic steels. Three new ferritic grades 1.4611, 1.4621, and 1.4613 have been added. However, none of these grades have any properties defined for bright bar.

This article covers bright products.

BS EN 10088-3 mechanical properties – ferritic stainless steels bright bar including lengths cut from wire

 

Designation Mechanical properties min unless stated
Steel name Steel number Max Thickness or diameter mm 1) Proof strength Rp0.2 N/mm2 Tensile strength Rm N/mm2 Elongation A 2) %
Standard Grades
X6Cr17 1.4016 103) 320 500/750 8
10<t<16</t 300 480/750 8
16<t<40</t 240 400/700 15
40<t<63</t 240 400/700 15
63<t<100</t 240 400/630 20
X6CrMoS17 1.4105 103) 330 530/780 7
10<t<16</t 310 500/780 7
16<t<40</t 250 430/730 12
40<t<63</t 250 430/730 12
63<t<100</t 250 430/630 20
X6CrMo17-1 1.4113 103) 340 540/700 8
10<t<16</t 320 500/700 12
16<t<40</t 280 440/700 15
40<t<63</t 280 440/700 15
63<t<100</t 280 440/660 18
Special Grades
X2CrTi17 1.4520 103) 320 500/750 8
10<t<16</t 300 480/750 10
16<t<40</t 240 400/700 15
40<t<50</t 240 400/700 15
X3CrNb17 1.4511 103) 320 500/750 8
10<t<16</t 300 480/750 10
16<t<40</t 240 400/700 15
40<t<50</t 240 400/700 15
X6CrMoNb17-1 1.4526 103) 340 540/700 8
10<t<16</t 320 500/700 12
16<t<40</t 280 440/700 15
40<t<50</t 280 440/700 15
X2CrTiNb18 1.4509 103) 320 500/750 8
10<t<16</t 300 480/750 10
16<t<40</t 240 400/700 15
40<t<50</t 240 400/700 15

Note

  1. Width across flats for hexagons.
  2. Elongation is valid only for dimensions of 5mm and above. For smaller diameters, the minimum elongation has to agreed upon at the time of the enquiry and order
  3. In the range 1mm<t<5mm valid only for rounds. The mechanical properties of non round bars with thicknesses <5mm have to be agreed at the time of the enquiry and order

The ferritic steels are in the annealed condition. The annealing treatment may be omitted, if the conditions for hot working and subsequent cooling are such that the requirements for the mechanical properties of the product and the resistance to intergranular corrosion as defined in EN ISO 3651-2 are obtained.

 

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