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PLH 355 TN

International ISO PLH355TN Steel flat products for pressure purposes - Technical delivery conditions - Part 4: Nickel-alloy steels with specified low temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: PLH355TN / PLH 355 TN
Category Grade Standard Region/Area Standard Content
Metals PLH 355 TN ISO 9328-4 International Steel flat products for pressure purposes - Technical delivery conditions - Part 4: Nickel-alloy steels with specified low temperature properties

Chemical composition(mass fraction)(wt.%) of the PLH 355 TN

Element Min Max Similar

Mechanical Properties of steel grade PLH 355 TN

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)
325 (≥) 688 (≥) 24 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade PLH 355 TN

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
11 - -     0.33 -  
454 552 - 31.3 234   -  
968 - 23 22.2   442 241

Heat Treatment of steel grade PLH 355 TN

Heat treated : 1149°C - 1137°C

Technological Curves of steel grade PLH 355 TN

Cross Reference Table (Equivalent Grade) of PLH 355 TN

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