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ISO H21

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ISO NiCr20Ti ISO H22
#H21

Description

ISO ISO ISO H21 ISO standard heat-resisting alloy and ISO H21 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO H21
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO H21 ISO ISO ISO standard heat-resisting alloy
ISO X15CrNiSi25 21
ISO H16
ISO X12NiCrSi35 16
ISO H17
ISO X6NiCrSi36 19
ISO X8NiCrAlTi32 21
ISO H18
ISO NiCr15Fe8
ISO H20
ISO NiCr20Ti

Chemical composition(mass fraction)(wt.%) of the ISO H21

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%) Co(%) Ti(%) Other(%)
Max 0.08 Max 1.0 Max 1.0 Max 0.015 Max 0.02 18.0-21.0 Remaining Max 0.5 Max 5.0 0.20-0.60 Fe:Max 5.0

Mechanical Properties of steel grade ISO H21

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)
462 (≥) 537 (≥) 24 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade ISO H21

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
21 - -     0.23 -  
553 268 - 43.3 141   -  
167 - 12 11.2   131 441

Heat Treatment of steel grade ISO H21

Heat treated : 1156°C - 1923°C

Technological Curves of steel grade ISO H21

Cross Reference Table (Equivalent Grade) of ISO H21

Grade Standard Country Application
H21 ASTM USA Alloy tool steel
BH21 UK Carbide for cutting tools
BH21 UK Carbide for cutting tools
BH21A UK Carbide for cutting tools
BH21A UK Carbide for cutting tools
03X21H21M4Γ ГОСТ Russia Austenitic
ISO H21 ISO ISO ISO standard heat-resisting alloy
GH2130 GBT China Age hardening type iron base alloy
GH2132 GBT China Age hardening type iron base alloy
GH2135 GBT China Age hardening type iron base alloy
GH2136 GBT China Age hardening type iron base alloy
GH2135 GBT China wrought Fe/Ni-base superalloy
GH2150 GBT China wrought Fe/Ni-base superalloy
HGH2132 GBT China Super alloy welding wire
HGH2135 GBT China Super alloy welding wire
HGH2150 GBT China Super alloy welding wire
ISO NiCr20Ti ISO H22
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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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