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China 舞钢Q/WTB NR400ZL 转炉炉壳用钢板NR400ZL技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NR400ZL / NR400ZL
Category Grade Standard Region/Area Standard Content
Metals NR400ZL WJX 035 China 转炉炉壳用钢板NR400ZL技术条件

Chemical composition(mass fraction)(wt.%) of the NR400ZL

Element Min Max Similar
Mo 0.2000 0.4000 -
Ti - 0.0200 -
V - 0.0450 -
Nb - 0.0450 -
Al - 0.0500 -
S - 0.0100 -
P - 0.0200 -
Mn 0.9000 1.3500 -
Si - 0.4000 -
C - 0.1500 -

Mechanical Properties of steel grade NR400ZL

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)
495 (≥) 395 (≥) 14 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade NR400ZL

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 - -     0.21 -  
158 496 - 23.3 344   -  
372 - 34 41.2   314 113

Heat Treatment of steel grade NR400ZL

Heat treated : 1615°C - 1476°C

Technological Curves of steel grade NR400ZL

Cross Reference Table (Equivalent Grade) of NR400ZL

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