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B 92 9980B

Favorite Datasheet
B 92 9980A B 92 9990A
#29-9

Description

USA SAE B 92/B 92M (2011), B 92 9980B Specialsteel Unalloyed Magnesium Ingot and Stick For Remelting and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 92 9980B
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 92 9980B Precipitation-Hardening SAE USA Unalloyed Magnesium Ingot and Stick For Remelting

Chemical composition(mass fraction)(wt.%) of the B 92 9980B

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo
0.08 -0.15 ≤0.75 1.00 -2.00 ≤ ≥ ≤0.03 8.50 -10.50 27.00 -31.00 ≤ ≥ ≤0.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤0.50

Mechanical Properties of steel grade B 92 9980B

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)
383 (≥) 964 (≥) 42 32 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade B 92 9980B

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 - -     0.32 -  
657 979 - 31.3 133   -  
393 - 32 32.2   422 243

Heat Treatment of steel grade B 92 9980B

Heat treated : 1594°C - 1582°C

Technological Curves of steel grade B 92 9980B

Cross Reference Table (Equivalent Grade) of B 92 9980B

Grade Standard Country Application
29-9

Relevant standard of B 92 9980B

B 92/B 92M (2011) Unalloyed Magnesium Ingot and Stick For Remelting B-92-B-92M-(2011).pdf
B 92 9980A B 92 9990A
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Jiangyou Longhai Special Steel Co.,Ltd.

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