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X5CrNi18-9

Description

International ISO ISO 16143-1 (2004), ISO 16143-2 (2004), ISO 16143-3 (2005), ISO 6931-2, ISO 9327-5, ISO 9328-5, ISO 9329-4, ISO 9330-6, ISO/TS 15510 (2003), X5CrNi18-9 Specialsteel Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X5CrNi18-9
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X5CrNi18-9 Austenite ISO International Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes

Chemical composition(mass fraction)(wt.%) of the X5CrNi18-9

C Si Mn P S Cr Mo Ni
≤0.07 ≤1.00 ≤2.00 ≤0.040 ≤0.030 17.00 -19.00 8.00 -11.00 ≤ ≥

Mechanical Properties of steel grade X5CrNi18-9

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
841 (≥) 559 (≥) 32 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade X5CrNi18-9

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
21 - -     0.24 -  
143 159 - 13.3 242   -  
387 - 23 13.2   134 441

Heat Treatment of steel grade X5CrNi18-9

Heat treated : 1996°C - 1523°C

Technological Curves of steel grade X5CrNi18-9

Relevant standard of X5CrNi18-9

ISO 16143-1 (2004) Stainless steels for general purposes -- Part 1: Flat products ISO-16143-1-(2004).pdf
ISO 16143-2 (2004) Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections ISO-16143-2-(2004).pdf
ISO 16143-3 (2005) Stainless steels for general purposes -- Part 3: Wire ISO-16143-3-(2005).pdf
ISO 6931-2 Stainless steels for springs - Part 2: Narrow strip ISO-6931-2.pdf
ISO 9327-5 Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels ISO-9327-5.pdf
ISO 9328-5 Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled ISO-9328-5.pdf
ISO 9329-4 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels ISO-9329-4.pdf
ISO 9330-6 Welded steel tubes for pressure purposes - Technical delivery conditions - Part 6: Longitudinally welded austenitic stainless steel tubes ISO-9330-6.pdf
ISO/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf

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