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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)
915 (≥) 141 (≥) 34 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

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
33 - -     0.44 -  
792 262 - 42.3 442   -  
538 - 44 11.2   131 341

Heat Treatment of steel grade B 649 R20033

Heat treated : 1339°C - 1939°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.

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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