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A 646 Grade H-11

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GMR-235D A 43 Fh 11
#H-11

Description

USA SAE A 646/A 646M (2011), A 646 Grade H-11 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 H-11
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 646 Grade H-11 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 H-11

C Si Mn P S Ni Cr Al Cu Ti Fe Mo Co V
≤0.40 ≤0.90 ≤0.30 ≤ ≥ ≤ ≥ ≤ ≥ ≤5.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤1.30 ≤ ≥ ≤0.50

Mechanical Properties of steel grade A 646 Grade H-11

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)
966 (≥) 247 (≥) 13 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade A 646 Grade H-11

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 - -     0.43 -  
158 218 - 33.3 123   -  
558 - 22 21.2   423 111

Heat Treatment of steel grade A 646 Grade H-11

Heat treated : 1987°C - 1248°C

Technological Curves of steel grade A 646 Grade H-11

Cross Reference Table (Equivalent Grade) of A 646 Grade H-11

Grade Standard Country Application
H-11

Relevant standard of A 646 Grade H-11

A 646/A 646M (2011) Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings A-646-A-646M-(2011).pdf
GMR-235D A 43 Fh 11
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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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