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Chemical composition % of the ladle analysis of grade ISO H4

Max 0.080 Max 1.00 Max 1.00 Max 0.040 Max 0.030 16.0-18.0
ISO standard thermal deformation of stainless steel
Mechanical properties of grade ISO H4
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
591 (≥) 677 (≥) 44 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 244
Physical properties of grade ISO H4
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
954 (≥) 418 (≥) 24 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
589 522 399
ISO H4 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
GH4033
Classification and designation for superalloys and high temperature intermetallic materials
GH4037
Classification and designation for superalloys and high temperature intermetallic materials
GH4043
Classification and designation for superalloys and high temperature intermetallic materials
GH4049
Classification and designation for superalloys and high temperature intermetallic materials
GH4133
Classification and designation for superalloys and high temperature intermetallic materials
GH4169
Classification and designation for superalloys and high temperature intermetallic materials
GH4118
Iron-based superalloy
GH4141
Iron-based superalloy
GH4145
Nickel-base superalloy
GH4146
Nickel-base superalloy
GH4180
Nickel-base superalloy
GH4220
Nickel-base superalloy
GH4302
Nickel-base superalloy
GH4698
Nickel-base superalloy
GH4710
Nickel-base superalloy
GH4738
Nickel-base superalloy
GH4761
Nickel-base superalloy
H41400
Steel for intake valves
09X16H4Б
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition
20X13H4Γ9
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

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