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R-206.0

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R20501 R-206.0
#R-20

Description

USA AMS SFA-5.10/SFA-5.10M, R-206.0 Specialsteel Bare aluminum and aluminum-alloy welding electrodes and rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: R-206.0
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel R-206.0 Precipitation-Hardening AMS USA Bare aluminum and aluminum-alloy welding electrodes and rods

Chemical composition(mass fraction)(wt.%) of the R-206.0

C Si Mn Cr Ni Mo Co W Al Cu Ti Fe Nb
≤0.12 ≤0.30 ≤0.80 ≤19.00 ≤14.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤1.60

Mechanical Properties of steel grade R-206.0

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)
265 (≥) 225 (≥) 13 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade R-206.0

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 - -     0.32 -  
642 372 - 31.3 214   -  
928 - 14 24.2   414 223

Heat Treatment of steel grade R-206.0

Heat treated : 1567°C - 1273°C

Technological Curves of steel grade R-206.0

Cross Reference Table (Equivalent Grade) of R-206.0

Grade Standard Country Application
R-20
25Cr-20Ni
25Cr-20Ni+
29Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
25Cr-20Ni
29Cr-20Ni
29Cr-20Ni
29Cr-20Ni

Relevant standard of R-206.0

SFA-5.10/SFA-5.10M Bare aluminum and aluminum-alloy welding electrodes and rods SFA-5-10-SFA-5-10M.pdf
R20501 R-206.0
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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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