Available 24/7 at contact@steel-grades.com

Description

UK B.S. BS 2HR 51 (2010), BS HR 51, HR51 Specialsteel Specification for heat-resisting alloy billets, bars, forgings and parts (Ni 25.5, Cr 14.7, Ti 2, Mn 1.5, Mo 1.2, Si 0.7, V 0.3, Fe remainder) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: HR51
Category Class Grade Standard Country Application
Steel GradesSpecialsteel HR51 B.S. UK Specification for heat-resisting alloy billets, bars, forgings and parts (Ni 25.5, Cr 14.7, Ti 2, Mn 1.5, Mo 1.2, Si 0.7, V 0.3, Fe remainder)

Chemical composition(mass fraction)(wt.%) of the HR51

C Si Mn P S Cr Ni Mo Co Ti Fe Al V B Pb
≤0.08 ≤1.00 ≤2.00 ≤0.020 ≤0.015 13.50 -16.00 24.00 -27.00 1.00 -1.50 ≤ ≥ 1.90 -2.30 ≤remaining ≤0.35 0.10 -0.50 0.0030 -0.0100 ≤0.005

Mechanical Properties of steel grade HR51

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)
522 (≥) 578 (≥) 13 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade HR51

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 - -     0.11 -  
977 958 - 44.3 233   -  
267 - 23 14.2   243 414

Heat Treatment of steel grade HR51

Heat treated : 1283°C - 1811°C

Technological Curves of steel grade HR51

Relevant standard of HR51

BS 2HR 51 (2010) Specification for high expansion heat-resisting steel billets, bars, forgings and parts (Ni 25.5, Cr 15, Ti 2, Mn 1.5, Mo 1.25, Si 0.7, V 0.3)(Solution treated at 980 °C) BS-2HR-51-(2010).pdf
BS HR 51 Specification for heat-resisting alloy billets, bars, forgings and parts (Ni 25.5, Cr 14.7, Ti 2, Mn 1.5, Mo 1.2, Si 0.7, V 0.3, Fe remainder) BS-HR-51.pdf

Available Suppliers

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...

Rfq.: sales@longhaisteel.com
  • Do you supply this HR51?
  • List your company on S&G now? Join
  • Non-paying users only
Top