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B 848 P/F 4220

Favorite Datasheet
B 744 2219 B 888 C42200
#422

Description

USA SAE B 848 (2005), B 848 P/F 4220 Specialsteel Standard Specification for Powder Forged (P/F) Ferrous Materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 848 P/F 4220
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 848 P/F 4220 Precipitation-Hardening SAE USA Standard Specification for Powder Forged (P/F) Ferrous Materials

Chemical composition(mass fraction)(wt.%) of the B 848 P/F 4220

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 848 P/F 4220

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)
431 (≥) 379 (≥) 21 33 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade B 848 P/F 4220

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
13 - -     0.31 -  
239 177 - 13.3 443   -  
519 - 12 44.2   314 211

Heat Treatment of steel grade B 848 P/F 4220

Heat treated : 1638°C - 1682°C

Technological Curves of steel grade B 848 P/F 4220

Cross Reference Table (Equivalent Grade) of B 848 P/F 4220

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 848 P/F 4220

B 848 (2005) Standard Specification for Powder Forged (P/F) Ferrous Materials B-848-(2005).pdf
B 744 2219 B 888 C42200
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Jiangyou Longhai Special Steel Co.,Ltd.

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