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H26

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T20825 T20826
#H26

Description

USA ASTM H26 Alloy tool steel and H26 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: H26
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy H26 ASTM USA Alloy tool steel
H21
T20821
H22
T20822
H23
T20823
H24
T20824
H25
T20825

Chemical composition(mass fraction)(wt.%) of the H26

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) V(%) W(%)
0.45～0.55 0.15～0.40 0.15～0.40 ≤0.030 ≤0.030 3.75～4.50 0.75～1.25 17.25～19.0

Mechanical Properties of steel grade H26

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)
372 (≥) 678 (≥) 12 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade H26

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
14 - -     0.32 -  
246 558 - 21.3 124   -  
887 - 33 24.2   243 342

Heat Treatment of steel grade H26

Heat treated : 1181°C - 1846°C

Technological Curves of steel grade H26

Cross Reference Table (Equivalent Grade) of H26

Grade Standard Country Application
H26 ASTM USA Alloy tool steel
BH26 UK Carbide for cutting tools
BH26 UK Carbide for cutting tools
GH2696 GBT China wrought Fe/Ni-base superalloy
T20825 T20826
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