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EN 10088-3 Mechanical Properties of Duplex Stainless Steel Bar






EN 10088-3 gives the mechanical properties for stainless steel semi-finished products, bars, rods and sections for general purposes. The properties given in this article are proof strength, tensile strength, elongation and hardness of austenitic-ferritic duplex stainless steel.

EN 10088-3 was originally published in 1995. The second, current version, EN 10088-3:2005, has superseded EN 10088-3:1995, which was withdrawn by BSi on 20th June 2005.

The tables shown here only have the 2005 tensile strength properties ranges of the austenitic-ferritic duplex steel.

This article is specifically for bright products which were introduced in the 2005 edition.

The austenitic-ferritic steel 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.



EN 10088-3 mechanical properties - austenitic-ferritic (duplex) stainless steels bright bar including lengths cut from wire
Designation Mechanical properties min unless stated
Steel name Steel number Max Thickness mm 1) Proof strength Rp0.2N/mm2 Tensile strength RmN/mm2 Elongation A2) %
Standard Grades
X3CrNiMoN27-5-2 1.4460/329 103) 610 770/1030 12
10<t<16 560 770/1030 12
16<t<40 460 620/950 15
40<t<63 460 620/950 15
63<t<160 460 620/880 20
X2CrNiMoN22-5-3 1.4462
S32205
103) 650 850/1150 12
10<t<16 650 850/1100 12
16<t<40 450 650/1000 15
40<t<63 450 650/1000 15
63<t<160 450 650/880 25
Special Grades
X2CrNiMoCuN25-6-3 1.4507
S32550
103) 4) 4) 4)
10<t<16 4) 4) 4)
16<t<40 500 700/900 25
40<t<63 500 700/900 25
63<t<160 500 700/900 25


EN 10088-3 Mechanical Properties - Austenitic-Ferritic (Duplex) Stainless Steel
Designation Mechanical properties min unless stated
Steel name Steel Max tHickness d mm Proof strength Rp0.22) N/mm2 Tensile strength Rm2) N/mm2 Elongation A2) % Max hardness1)HB
Austenitic-ferritic stainless steel standard grades
X3CrNiMoN27-5-2 1.4460 160 450 620/880 20 260
X2CrNiMoN22-5-3 1.4462 160 450 650/880 25 270
Austenitic-ferritic stainless steel special grades
X2CrNiN23-4 1.4362
/S32304
160 400 600/830 25 260
X2CrNiMoN29-7-2 1.4477 10 650 800/1050 25 310
10<d<160 550 750/1000 25 310
X2CrNiMoCuN25-6-3 1.4507
/S32550
160 500 700/900 25 270
X2CrNiMoN25-7-4 1.4410
/S32750
160 530 730/930 25 290
X2CrNiMoCuWN25-7-4 1.4501
/S32760
160 530 730/930 25 290
X2CrNiMoSi18-5-3 1.4424 50 450 700/900 25 260
50<d<160 400 680/900 25 260

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
  4. To be agreed upon at the time of the enquiry and order
  Stainless Steel Tube/Pipe/Tubing, Nickel Alloy Tubing, Brass Alloy Tubing, Copper Nickel Pipe Material Grades



EN 10088-3 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
Related References:
1. EN 10088-3 Mechanical Properties of Martensitic Precipitation
2. EN 10088-3 Mechanical properties austenitic stainless steel bar
3. EN 10088-3 Mechanical Properties of Duplex Stainless Steel Bar
4. EN 10088-3 Duplex Steel Long Products Mechanical Properties
5. EN 10088-3 Mechanical Properties of Ferritic Stainless Steel
6. EN 10088-3 Mechanical properties austenitic stainless steel bar
7. EN 10088-3 Cold Worked Wire Mechanical Properties
8. EN 10088-3 Stainless Steel Long Products Grades
9. EN 10088-3 Mechanical Properties of ferritic steel long product
10. EN 10088-3 Mechanical Properties of Martensitic and Precipitation Hardening Stainless Steel Bright Bars
11. EN 10088-3 Mechanical of Martensitic and Precipitation Hardening Long Products
12. Permissible Analysis Tolerances on Cast Ranges in EN 10088-3


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