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PSL2 Grade X56Q

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NIMONIC® alloy 90 Next
#X56Q

Description

France AFNOR NF EN ISO 3183, PSL2 Grade X56Q Superalloys Petroleum and natural gas industries-Steel pipe for pipeline transportation systems(ISO 3183:2012) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: PSL2 Grade X56Q
Category Class Grade Type Standard Country Application
Steel GradesSuperalloys PSL2 Grade X56Q Austenite AFNOR France Petroleum and natural gas industries-Steel pipe for pipeline transportation systems(ISO 3183:2012)

Chemical composition(mass fraction)(wt.%) of the PSL2 Grade X56Q

CE Pcm C Mn P S Si Ni Cr Mo Cu V Ti Nb Nb+Ti+V CEV
≤0.2500 ≤0.1800 ≤1.5000 ≤0.0250 ≤0.0150 ≤0.4500 ≤0.3000 ≤0.3000 ≤0.1500 ≤0.50 ≤0.0700 ≤0.0400 ≤0.0500 ≤0.1500 ≤0.43

Mechanical Properties of steel grade PSL2 Grade X56Q

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)
553 (≥) 834 (≥) 13 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade PSL2 Grade X56Q

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
32 - -     0.11 -  
225 293 - 14.3 411   -  
735 - 42 23.2   232 222

Heat Treatment of steel grade PSL2 Grade X56Q

Heat treated : 1695°C - 1754°C

Technological Curves of steel grade PSL2 Grade X56Q

Relevant standard of PSL2 Grade X56Q

NF EN ISO 3183 Petroleum and natural gas industries-Steel pipe for pipeline transportation systems(ISO 3183:2012) NF-EN-ISO-3183.pdf
NIMONIC® alloy 90 Next
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