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China GB JMn98 金属锰 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: JMn98 / JMn98
Category Grade Standard Region/Area Standard Content
Metals JMn98 GB/T 2774 China 金属锰

Chemical composition(mass fraction)(wt.%) of the JMn98

Element Min Max Similar
Si - 0.4000 -
S - 0.0200 -
P - 0.0300 -
Mn 97.0000 - -
Fe - 2.0000 -
C - 0.0500 -

Mechanical Properties of steel grade JMn98

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)
635 (≥) 217 (≥) 31 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade JMn98

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
23 - -     0.12 -  
549 359 - 24.3 412   -  
563 - 14 34.2   132 134

Heat Treatment of steel grade JMn98

Heat treated : 1915°C - 1311°C

Technological Curves of steel grade JMn98

Cross Reference Table (Equivalent Grade) of JMn98

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