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ISO ISO H17 Details

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ISO H17 Application:Heat-resistant steels

Category Type Grade Microstructure Designations
Grades Stainless Steels - Special Steels ISO H17 Austenite International - ISO , ISO 4955 (2005) - Heat-resistant steels

Chemical composition(wt.%) of ISO H17 grade: ISO 4955 (2005)

Elements Min.(≥) Max.(≤)
C - 0.15
Si 1.00 2.00
Mn - 2.00
P - 0.045
S - 0.030
Cr 15.00 17.00
Ni 33.00 37.00
Heat-resistant steels

Mechanical properties of grade ISO H17 ISO 4955 (2005)

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)
852 (≥) 298 (≥) 41 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical properties of grade ISO H17 ISO 4955 (2005)

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
752 (≥) 996 (≥) 13 44 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 322
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
346 353 887

ISO H17 - Form of Supply

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
ISO H17 ISO International
Heat-resistant steels

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