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B 408 N08890

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B 408 N08811 B 409 N08120
#B-4

Description

USA SAE B 408 (2011), B 408 N08890 Specialsteel Nickel-Iron-Chromium Alloy Rod and Bar and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 408 N08890
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 408 N08890 Precipitation-Hardening SAE USA Nickel-Iron-Chromium Alloy Rod and Bar

Chemical composition(mass fraction)(wt.%) of the B 408 N08890

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 408 N08890

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)
693 (≥) 675 (≥) 14 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade B 408 N08890

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
24 - -     0.13 -  
461 361 - 33.3 421   -  
516 - 44 32.2   323 441

Heat Treatment of steel grade B 408 N08890

Heat treated : 1978°C - 1986°C

Technological Curves of steel grade B 408 N08890

Cross Reference Table (Equivalent Grade) of B 408 N08890

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

Relevant standard of B 408 N08890

B 408 (2011) Nickel-Iron-Chromium Alloy Rod and Bar B-408-(2011).pdf
B 408 N08811 B 409 N08120
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Jiangyou Longhai Special Steel Co.,Ltd.

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