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J91249

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J91459 J91339
#J91249

Description

USA UNS J91249 Steel Castings, Austenitic Manganese and J91249 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: J91249
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy J91249 UNS USA Steel Castings, Austenitic Manganese
E-1
E-2
ASTM F
J91109
J91119
J91129
J91139
J91149
J91309
J91459

Chemical composition(mass fraction)(wt.%) of the J91249

C(％) Si(％) Mn(％) P(％) Cr(％) Ni(％) Mo(％)
0.7-1.3 1.00 11.5-14.0 0.0700000000000000 － － 0.9-1.2

Mechanical Properties of steel grade J91249

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)
235 (≥) 129 (≥) 34 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade J91249

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
31 - -     0.13 -  
478 213 - 32.3 112   -  
254 - 44 41.2   422 344

Heat Treatment of steel grade J91249

Heat treated : 1991°C - 1857°C

Technological Curves of steel grade J91249

Cross Reference Table (Equivalent Grade) of J91249

Grade Standard Country Application
UNS J91249 AISI USA
J91249 UNS USA Steel Castings, Austenitic Manganese
J91249 UNS USA Steel Castings, Austenitic Manganese
J91459 J91339
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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