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B 888 C42200

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B 848 P/F 4220 C42200
#422

Description

USA SAE B 888 (2012), B 888 C42200 Specialsteel Copper Alloy Strip for Use in Manufacture of Electrical Connectors or Spring Contacts and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 888 C42200
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 888 C42200 Precipitation-Hardening SAE USA Copper Alloy Strip for Use in Manufacture of Electrical Connectors or Spring Contacts

Chemical composition(mass fraction)(wt.%) of the B 888 C42200

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo W V
≤0.22 ≤0.40 ≤0.75 ≤ ≥ ≤ ≥ ≤0.75 ≤12.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤ ≥ ≤1.00 ≤1.00 ≤0.22

Mechanical Properties of steel grade B 888 C42200

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)
966 (≥) 551 (≥) 32 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade B 888 C42200

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
43 - -     0.43 -  
571 254 - 22.3 424   -  
367 - 31 11.2   342 413

Heat Treatment of steel grade B 888 C42200

Heat treated : 1889°C - 1111°C

Technological Curves of steel grade B 888 C42200

Cross Reference Table (Equivalent Grade) of B 888 C42200

Grade Standard Country Application
1.5422
1.5422
S42200
S42225
S42200
S42200
422
422M(C)
422M
S42200
SAE 4422
UNS G44220
ASTM 4422
UNS G44220
AMS 6422E
UNS K11422
UNS J94224
UNS J42215
UNS J42220
422(S42200)

Relevant standard of B 888 C42200

B 888 (2012) Copper Alloy Strip for Use in Manufacture of Electrical Connectors or Spring Contacts B-888-(2012).pdf
B 848 P/F 4220 C42200
Available Suppliers
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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