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

A 646 Grade HP 9-4-30

Description

USA SAE A 646/A 646M (2011), A 646 Grade HP 9-4-30 Specialsteel Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 646 Grade HP 9-4-30
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 646 Grade HP 9-4-30 Precipitation-Hardening SAE USA Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings

Chemical composition(mass fraction)(wt.%) of the A 646 Grade HP 9-4-30

C Si Mn Ni Cr Al Cu Ti Fe Mo Co V P S
0.29 -0.34 ≤0.10 0.10 -0.35 7.00 -8.00 0.90 -1.10 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 0.90 -1.10 4.25 -4.75 0.06 -0.12 ≤0.01 ≤0.01

Mechanical Properties of steel grade A 646 Grade HP 9-4-30

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)
813 (≥) 539 (≥) 21 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade A 646 Grade HP 9-4-30

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
22 - -     0.14 -  
146 365 - 34.3 321   -  
997 - 42 43.2   423 442

Heat Treatment of steel grade A 646 Grade HP 9-4-30

Heat treated : 1455°C - 1197°C

Technological Curves of steel grade A 646 Grade HP 9-4-30

Cross Reference Table (Equivalent Grade) of A 646 Grade HP 9-4-30

Relevant standard of A 646 Grade HP 9-4-30

A 646/A 646M (2011) Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings A-646-A-646M-(2011).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 A 646 Grade HP 9-4-30?
  • List your company on S&G now? Join
  • Non-paying users only
Top