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A199 Grade T9

America ASTM A199GradeT9 无缝冷拔中间合金钢热交换器和冷凝器管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A199GradeT9 / A199 Grade T9
Category Grade Standard Region/Area Standard Content
Metals A199 Grade T9 ASTM A199/A199M America 无缝冷拔中间合金钢热交换器和冷凝器管

Chemical composition(mass fraction)(wt.%) of the A199 Grade T9

Element Min Max Similar
Si 0.2500 1.0000 -
S - 0.0300 -
P - 0.0300 -
Mo 0.9000 1.1000 -
Mn 0.3000 0.6000 -
Cr 8.0000 10.0000 -
C - 0.1500 -

Mechanical Properties of steel grade A199 Grade T9

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)
267 (≥) 191 (≥) 13 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade A199 Grade T9

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
21 - -     0.13 -  
275 265 - 34.3 133   -  
237 - 11 44.2   213 421

Heat Treatment of steel grade A199 Grade T9

Heat treated : 1226°C - 1566°C

Technological Curves of steel grade A199 Grade T9

Cross Reference Table (Equivalent Grade) of A199 Grade T9

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