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X6CrNiNb18-11

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X7CrNi18-9 X7CrNiNb18-11
#X6CrNiNb18-11

Description

International ISO ISO 9329-4, X6CrNiNb18-11 Specialsteel Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: X6CrNiNb18-11
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X6CrNiNb18-11 Austenite ISO International Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels

Chemical composition(mass fraction)(wt.%) of the X6CrNiNb18-11

C Si Mn P S Cr Mo Ni
≤0.08 ≤1.00 ≤2.00 ≤0.040 ≤0.030 17.00 -19.00 9.00 -13.00 ≤ ≥

Mechanical Properties of steel grade X6CrNiNb18-11

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)
461 (≥) 421 (≥) 21 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade X6CrNiNb18-11

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
12 - -     0.13 -  
322 559 - 41.3 233   -  
399 - 34 23.2   323 134

Heat Treatment of steel grade X6CrNiNb18-11

Heat treated : 1359°C - 1125°C

Technological Curves of steel grade X6CrNiNb18-11

Relevant standard of X6CrNiNb18-11

ISO 9329-4 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels ISO-9329-4.pdf
X7CrNi18-9 X7CrNiNb18-11
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