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X7CrNiNb18-11

Favorite Datasheet
X6CrNiNb18-11 X6CrNiTi18-10
#X7CrNiNb18-11

Description

International ISO ISO 9329-4, X7CrNiNb18-11 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: X7CrNiNb18-11
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel X7CrNiNb18-11 Austenite ISO International Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels

Chemical composition(mass fraction)(wt.%) of the X7CrNiNb18-11

C Si Mn P S Cr Mo Ni
0.04 -0.10 ≤1.00 ≤2.00 ≤0.040 ≤0.030 17.00 -19.00 9.00 -13.00 ≤ ≥

Mechanical Properties of steel grade X7CrNiNb18-11

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)
261 (≥) 129 (≥) 11 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade X7CrNiNb18-11

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
21 - -     0.31 -  
939 482 - 12.3 423   -  
262 - 22 13.2   321 412

Heat Treatment of steel grade X7CrNiNb18-11

Heat treated : 1611°C - 1716°C

Technological Curves of steel grade X7CrNiNb18-11

Relevant standard of X7CrNiNb18-11

ISO 9329-4 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Austenitic stainless steels ISO-9329-4.pdf
X6CrNiNb18-11 X6CrNiTi18-10
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Jiangyou Longhai Special Steel Co.,Ltd.

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