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B 649 R20033

Favorite Datasheet
B 626 R20033 ER 209
#R-20

Description

USA SAE B 649 (2006), B 649 R20033 Specialsteel Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 649 R20033
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 649 R20033 Precipitation-Hardening SAE USA Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire

Chemical composition(mass fraction)(wt.%) of the B 649 R20033

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 B 649 R20033

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)
215 (≥) 481 (≥) 44 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade B 649 R20033

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
41 - -     0.11 -  
682 976 - 34.3 424   -  
499 - 42 42.2   421 423

Heat Treatment of steel grade B 649 R20033

Heat treated : 1998°C - 1864°C

Technological Curves of steel grade B 649 R20033

Cross Reference Table (Equivalent Grade) of B 649 R20033

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 B 649 R20033

B 649 (2006) Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire B-649-(2006).pdf
B 626 R20033 ER 209
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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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