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ISO X7CrNiNb18-11

Description

ISO ISO ISO X7CrNiNb18-11 ISO standard austenitic stainless steel pressure seamless steel tube and ISO X7CrNiNb18-11 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO X7CrNiNb18-11
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO X7CrNiNb18-11 ISO ISO ISO standard austenitic stainless steel pressure seamless steel tube
X6CrNiTi18 10E
X5CrNiMo17 12 2E
X6CrNiMoTi17 12 2E
X2CrNiMo17 13 3E
X2CrNiMoN17 13 3E
X3CrNiCu18 9 3E
ISO X2CrNi18-10
ISO X5CrNi18-9 Tube
ISO X7CrNi18-9
ISO X6CrNiNb18-11

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

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.04-0.10 Max 1.00 Max 2.00 Max 0.040 Max 0.030 17.0-19.0 9.00-13.0

Mechanical Properties of steel grade ISO 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)
521 (≥) 122 (≥) 22 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade ISO 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
34 - -     0.33 -  
954 365 - 32.3 221   -  
757 - 34 34.2   224 324

Heat Treatment of steel grade ISO X7CrNiNb18-11

Heat treated : 1412°C - 1981°C

Technological Curves of steel grade ISO X7CrNiNb18-11

Cross Reference Table (Equivalent Grade) of ISO X7CrNiNb18-11

Grade Standard Country Application
ISO X7CrNiNb18-11 ISO ISO ISO standard austenitic stainless steel pressure seamless steel tube

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