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B 247 2618

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A96261 B 569 C26130
#26-1

Description

USA SAE B 247M (2009), B 247 2618 Specialsteel Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings [Metric] and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 247 2618
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 247 2618 Precipitation-Hardening SAE USA Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings [Metric]

Chemical composition(mass fraction)(wt.%) of the B 247 2618

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo
≤0.06 ≤0.75 ≤0.75 ≤ ≥ ≤ ≥ ≤0.50 25.00 -27.00 ≤ ≥ ≤0.20 ≤ ≥ ≤ ≥ ≤0.04 0.75 -1.50

Mechanical Properties of steel grade B 247 2618

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)
952 (≥) 817 (≥) 31 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade B 247 2618

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
14 - -     0.12 -  
236 441 - 23.3 113   -  
622 - 41 42.2   313 322

Heat Treatment of steel grade B 247 2618

Heat treated : 1699°C - 1325°C

Technological Curves of steel grade B 247 2618

Cross Reference Table (Equivalent Grade) of B 247 2618

Grade Standard Country Application
X5NiCrTi 26-15
X5CrNiTiMoV 26-15
X6NiCrTi26-15
X6NiCrTi26-15
26-1
X6NiCrTi26-15
X6NiCrTi26-15
E-Brite 26-1(S44627)
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15
Z5NCTDV26-15B

Relevant standard of B 247 2618

B 247M (2009) Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings [Metric] B-247M-(2009).pdf
A96261 B 569 C26130
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