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A249 N08800

America ASTM A249N08800 锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A249N08800 / A249 N08800
Category Grade Standard Region/Area Standard Content
Metals A249 N08800 ASTM A249/A249M America 锅炉、过热器、换热器和冷凝器用焊接奥氏体钢管

Chemical composition(mass fraction)(wt.%) of the A249 N08800

Element Min Max Similar
C - 0.1000 -
Mn - 1.5000 -
P - 0.0450 -
S - 0.0150 -
Si - 1.0000 -
Ni 30.0000 35.0000 -
Cr 19.0000 23.0000 -
Cu - 0.7500 -
Ti 0.1500 0.6000 -
Al 0.1500 0.6000 -
Fe 39.5000 - -

Mechanical Properties of steel grade A249 N08800

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)
589 (≥) 583 (≥) 31 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade A249 N08800

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 -  
234 394 - 42.3 431   -  
687 - 24 14.2   141 341

Heat Treatment of steel grade A249 N08800

Heat treated : 1245°C - 1575°C

Technological Curves of steel grade A249 N08800

Cross Reference Table (Equivalent Grade) of A249 N08800

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