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B 427 C90800

Favorite Datasheet
B 427 C90700 B 427 C91600
#B-4

Description

USA SAE B 427 (2009), B 427 C90800 Specialsteel Gear Bronze Alloy Castings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 427 C90800
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 427 C90800 Precipitation-Hardening SAE USA Gear Bronze Alloy Castings

Chemical composition(mass fraction)(wt.%) of the B 427 C90800

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co
≤0.01 ≤0.05 ≤1.50 ≤0.04 ≤0.01 ≤remaining 0.50 -1.50 0.10 -0.50 ≤0.50 ≤ ≥ 1.00 -6.00 26.00 -30.00 ≤2.50

Mechanical Properties of steel grade B 427 C90800

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)
613 (≥) 417 (≥) 34 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade B 427 C90800

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
44 - -     0.41 -  
428 271 - 14.3 114   -  
438 - 13 44.2   321 213

Heat Treatment of steel grade B 427 C90800

Heat treated : 1238°C - 1773°C

Technological Curves of steel grade B 427 C90800

Cross Reference Table (Equivalent Grade) of B 427 C90800

Grade Standard Country Application
B-4
ASTM B-4
ASTM B-4
ASTM B-4

Relevant standard of B 427 C90800

B 427 (2009) Gear Bronze Alloy Castings B-427-(2009).pdf
B 427 C90700 B 427 C91600
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Jiangyou Longhai Special Steel Co.,Ltd.

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